back to previous adc muxing but with capacitors

git-svn-id: https://svn.spreadspace.org/mur.sat@467 7de4ea59-55d0-425e-a1af-a3118ea81d4c

5 files changed, 597 insertions, 520 deletions

diff --git a/hardware/ihu-ttx-test/ihu-ttx-test.sch b/hardware/ihu-ttx-test/ihu-ttx-test.sch
index f4b0808..eaf70b8 100644
--- a/hardware/ihu-ttx-test/ihu-ttx-test.sch
+++ b/hardware/ihu-ttx-test/ihu-ttx-test.sch
@@ -1,4 +1,4 @@
-EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:16:35 CEST
+EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:56:12 CEST
 LIBS:mur-sat
 LIBS:power
 LIBS:device
@@ -33,7 +33,7 @@ LIBS:ihu-ttx-test-cache
 EELAYER 24  0
 EELAYER END
 $Descr A4 11700 8267
-Sheet 1 6
+Sheet 1 5
 Title "IHU, RTC"
 Date "21 may 2012"
 Rev "4"
@@ -43,12 +43,9 @@ Comment2 ""
 Comment3 ""
 Comment4 ""
 $EndDescr
+Connection ~ 9700 1750
 Wire Wire Line
-	9350 1250 9350 1400
-Wire Wire Line
-	9500 4850 9400 4850
-Wire Wire Line
-	7700 3500 8000 3500
+	9750 1750 9550 1750
 Wire Wire Line
 	3750 6900 3750 6600
 Wire Wire Line
@@ -66,11 +63,7 @@ Wire Wire Line
 	10500 5850 10500 5700
 Connection ~ 6250 4800
 Wire Wire Line
-	6300 4800 6250 4800
-Wire Wire Line
-	6250 4800 5900 4800
-Wire Wire Line
-	5900 4800 5600 4800
+	5600 4800 6300 4800
 Wire Wire Line
 	10600 2400 10600 3750
 Wire Wire Line
@@ -86,11 +79,7 @@ Wire Wire Line
 Wire Wire Line
 	8750 2150 8800 2150
 Wire Wire Line
-	9050 5700 10200 5700
-Wire Wire Line
-	10200 5700 10500 5700
-Wire Wire Line
-	10500 5700 10600 5700
+	10600 5700 9050 5700
 Wire Wire Line
 	9700 6400 10500 6400
 Connection ~ 4500 6950
@@ -100,9 +89,7 @@ Wire Wire Line
 	4500 7250 4450 7250
 Connection ~ 4900 3750
 Wire Wire Line
-	4900 3800 4900 3750
-Wire Wire Line
-	4900 3750 4900 2900
+	4900 3800 4900 2900
 Wire Wire Line
 	4800 2800 4800 3300
 Wire Wire Line
@@ -125,9 +112,7 @@ Wire Wire Line
 Wire Wire Line
 	4800 3300 4300 3300
 Wire Wire Line
-	4600 650  4950 650 
-Wire Wire Line
-	4950 650  5750 650 
+	4600 650  5750 650 
 Wire Wire Line
 	5750 650  5750 950 
 Wire Wire Line
@@ -190,9 +175,7 @@ Wire Wire Line
 	4550 6800 3950 6800
 Connection ~ 3850 7450
 Wire Wire Line
-	3950 7450 3850 7450
-Wire Wire Line
-	3850 7450 3750 7450
+	3950 7450 3750 7450
 Wire Wire Line
 	10550 850  10600 850 
 Wire Wire Line
@@ -200,14 +183,20 @@ Wire Wire Line
 Wire Wire Line
 	2400 4350 2550 4350
 Wire Wire Line
-	7600 5350 7700 5350
+	6050 4000 6050 4100
 Wire Wire Line
-	7700 4450 7600 4450
-Connection ~ 7850 1200
+	6150 4100 6150 4050
 Wire Wire Line
-	7450 1200 7850 1200
+	6150 4050 6200 4050
 Wire Wire Line
-	7850 1200 8250 1200
+	9300 4700 9400 4700
+Wire Wire Line
+	7200 4700 7100 4700
+Wire Wire Line
+	10000 1550 9950 1550
+Connection ~ 7850 1200
+Wire Wire Line
+	7450 1200 8250 1200
 Wire Wire Line
 	7450 1200 7450 1050
 Wire Wire Line
@@ -218,40 +207,58 @@ Connection ~ 8050 6800
 Wire Wire Line
 	8650 6800 8600 6800
 Wire Wire Line
-	8100 6800 8050 6800
-Wire Wire Line
-	8050 6800 8000 6800
+	8000 6800 8100 6800
 Connection ~ 3200 3900
 Wire Wire Line
 	3250 4300 3200 4300
 Wire Wire Line
 	3200 4300 3200 3900
 Wire Wire Line
+	9350 5450 9300 5450
+Wire Wire Line
+	9800 5400 9800 5500
+Connection ~ 7600 5450
+Wire Wire Line
+	7550 5450 7600 5450
+Wire Wire Line
 	2550 4650 2400 4650
 Wire Wire Line
-	9400 4250 9500 4250
+	9300 5000 9400 5000
+Wire Wire Line
+	9400 4600 9300 4600
+Wire Wire Line
+	9300 4400 9400 4400
 Wire Wire Line
-	7700 5250 7600 5250
+	7100 4500 7200 4500
 Wire Wire Line
-	7600 5050 7700 5050
+	7200 4900 7100 4900
 Wire Wire Line
-	7600 4250 7700 4250
+	7200 5100 7100 5100
 Wire Wire Line
-	7700 4600 7600 4600
+	8150 4550 8100 4550
 Wire Wire Line
-	7700 4800 7600 4800
+	7600 4150 7600 3900
 Wire Wire Line
-	9500 5050 9400 5050
+	7600 3900 9800 3900
 Wire Wire Line
-	9500 5250 9400 5250
+	7800 4150 7800 4100
+Connection ~ 8450 4000
+Wire Wire Line
+	8450 4000 8450 3500
+Wire Wire Line
+	9800 3900 9800 4150
+Wire Wire Line
+	7700 5400 7700 5450
+Wire Wire Line
+	10000 5400 10000 5450
+Wire Wire Line
+	10350 4550 10300 4550
 Wire Wire Line
 	10600 1800 10550 1800
 Wire Wire Line
 	9200 3750 9150 3750
 Wire Wire Line
-	9150 3750 9150 3600
-Wire Wire Line
-	9150 3600 9150 3550
+	9150 3750 9150 3550
 Wire Wire Line
 	8900 2850 8800 2850
 Wire Wire Line
@@ -259,9 +266,9 @@ Wire Wire Line
 Wire Wire Line
 	10550 1450 10550 1500
 Wire Wire Line
-	9050 1500 9150 1500
+	9050 1400 9150 1400
 Wire Wire Line
-	9150 1500 9150 1250
+	9150 1400 9150 1150
 Wire Wire Line
 	3350 3800 2400 3800
 Wire Wire Line
@@ -297,17 +304,13 @@ Wire Wire Line
 Wire Wire Line
 	1150 2350 1150 2400
 Wire Wire Line
-	6000 2200 4650 2200
-Wire Wire Line
-	4650 2200 4500 2200
-Wire Wire Line
-	4500 2200 4350 2200
+	4350 2200 6000 2200
 Wire Wire Line
-	9450 1250 9450 1300
+	9450 1150 9450 1200
 Wire Wire Line
-	9450 1300 9550 1300
+	9450 1200 9550 1200
 Wire Wire Line
-	9350 1400 9550 1400
+	9450 1400 9350 1400
 Wire Wire Line
 	4400 1800 4400 1750
 Wire Wire Line
@@ -327,14 +330,14 @@ Wire Wire Line
 Wire Wire Line
 	9700 2600 9700 2450
 Wire Wire Line
-	3800 5700 3800 5200
-Wire Wire Line
-	3800 5200 3800 4800
+	3800 5700 3800 4800
 Wire Wire Line
 	3800 5700 4550 5700
 Wire Wire Line
 	5400 4200 5400 4150
 Wire Wire Line
+	9700 1750 9700 1700
+Wire Wire Line
 	8000 2700 7700 2700
 Wire Wire Line
 	8000 2900 7700 2900
@@ -353,9 +356,9 @@ Wire Wire Line
 Connection ~ 5900 4800
 Connection ~ 6250 5700
 Wire Wire Line
-	6250 5700 6250 4800
+	6250 4800 6250 5700
 Wire Wire Line
-	5900 4800 5900 4850
+	5900 4850 5900 4800
 Connection ~ 9150 3600
 Wire Wire Line
 	8750 3350 8750 3100
@@ -372,14 +375,10 @@ Wire Wire Line
 Wire Wire Line
 	1150 1300 1150 1250
 Wire Wire Line
-	6150 6500 6300 6500
-Wire Wire Line
-	6300 6500 6550 6500
+	6150 6500 6550 6500
 Connection ~ 7200 6250
 Wire Wire Line
-	7200 6150 7200 6250
-Wire Wire Line
-	7200 6250 7200 6300
+	7200 6300 7200 6150
 Connection ~ 10500 6400
 Wire Wire Line
 	7950 6300 8000 6300
@@ -398,9 +397,7 @@ Wire Wire Line
 Wire Wire Line
 	5350 7200 5350 7250
 Wire Wire Line
-	6150 5950 6250 5950
-Wire Wire Line
-	6250 5950 6700 5950
+	6700 5950 6150 5950
 Connection ~ 6850 6250
 Wire Wire Line
 	4050 6150 4000 6150
@@ -408,9 +405,7 @@ Wire Wire Line
 	4000 6150 4000 6300
 Connection ~ 6300 6950
 Wire Wire Line
-	6300 6900 6300 6950
-Wire Wire Line
-	6300 6950 6300 7000
+	6300 7000 6300 6900
 Wire Wire Line
 	1200 6950 2000 6950
 Wire Wire Line
@@ -432,9 +427,7 @@ Wire Wire Line
 Wire Wire Line
 	6300 7450 6300 7400
 Wire Wire Line
-	6850 6200 6850 6250
-Wire Wire Line
-	6850 6250 6850 6300
+	6850 6300 6850 6200
 Wire Wire Line
 	6850 6250 7200 6250
 Connection ~ 6850 5700
@@ -444,9 +437,7 @@ Wire Wire Line
 	6250 6050 6250 5950
 Connection ~ 6250 5950
 Wire Wire Line
-	4550 6950 4500 6950
-Wire Wire Line
-	4500 6950 4300 6950
+	4550 6950 4300 6950
 Wire Wire Line
 	4300 6950 4300 7000
 Wire Wire Line
@@ -462,9 +453,7 @@ Wire Wire Line
 Wire Wire Line
 	7950 6200 8000 6200
 Wire Wire Line
-	10500 6450 10500 6400
-Wire Wire Line
-	10500 6400 10500 6250
+	10500 6250 10500 6450
 Wire Wire Line
 	6150 6950 6300 6950
 Connection ~ 6300 6500
@@ -532,9 +521,9 @@ Wire Wire Line
 Wire Wire Line
 	3800 4800 4500 4800
 Wire Wire Line
-	9050 1250 9050 1300
+	9050 1150 9050 1200
 Wire Wire Line
-	9050 1300 8950 1300
+	9050 1200 8950 1200
 Wire Wire Line
 	2950 5200 2400 5200
 Wire Wire Line
@@ -554,17 +543,35 @@ Wire Wire Line
 Wire Wire Line
 	1450 3250 1300 3250
 Wire Wire Line
-	9550 1500 9250 1500
+	9450 1550 9350 1550
+Wire Wire Line
+	9350 1550 9350 1150
+Connection ~ 9350 1400
 Wire Wire Line
-	9250 1500 9250 1250
+	9050 1500 9250 1500
 Wire Wire Line
-	9550 3050 9550 3000
+	9250 1500 9250 1150
 Wire Wire Line
-	9550 3000 9550 2850
+	9550 3050 9550 2850
 Wire Wire Line
 	9550 2850 9400 2850
 Wire Wire Line
-	9500 5350 9400 5350
+	10350 5050 10300 5050
+Wire Wire Line
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+Wire Wire Line
+	7800 5450 7800 5400
+Wire Wire Line
+	10000 4150 10000 4100
+Wire Wire Line
+	9900 4150 9900 4000
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 8550 3900
 Wire Wire Line
 	2600 1700 3200 1700
 Wire Wire Line
@@ -574,31 +581,40 @@ Wire Wire Line
 Wire Wire Line
 	3200 1400 2600 1400
 Wire Wire Line
-	9500 5150 9400 5150
+	9900 4000 7700 4000
 Wire Wire Line
-	7600 4700 7700 4700
+	7700 4000 7700 4150
 Wire Wire Line
-	7700 4350 7600 4350
+	8150 5050 8100 5050
 Wire Wire Line
-	7700 4150 7600 4150
+	7100 5000 7200 5000
 Wire Wire Line
-	7600 5150 7700 5150
+	7200 4600 7100 4600
 Wire Wire Line
-	9400 4150 9500 4150
+	7200 4400 7100 4400
 Wire Wire Line
-	9400 4350 9500 4350
+	9300 4500 9400 4500
+Wire Wire Line
+	9300 4900 9400 4900
+Wire Wire Line
+	9300 5100 9400 5100
 Wire Wire Line
 	2550 4750 2400 4750
 Wire Wire Line
+	7600 5400 7600 5500
+Wire Wire Line
+	7150 5450 7100 5450
+Wire Wire Line
+	9750 5450 9800 5450
+Connection ~ 9800 5450
+Wire Wire Line
 	6850 6800 6850 6850
 Wire Wire Line
 	6850 6850 6550 6850
 Wire Wire Line
 	6550 6850 6550 6500
 Wire Wire Line
-	2400 3900 3200 3900
-Wire Wire Line
-	3200 3900 3350 3900
+	3350 3900 2400 3900
 Wire Wire Line
 	8450 1800 7700 1800
 Wire Wire Line
@@ -614,35 +630,33 @@ Wire Wire Line
 Wire Wire Line
 	7500 6600 7450 6600
 Wire Wire Line
-	8050 6850 8050 6800
-Wire Wire Line
-	8050 6800 8050 6600
+	8050 6850 8050 6600
 Wire Wire Line
 	8050 6600 8000 6600
 Wire Wire Line
-	7700 1700 7850 1700
-Wire Wire Line
-	7850 1700 8000 1700
+	8000 1700 7700 1700
 Wire Wire Line
 	8050 1100 8050 1050
 Wire Wire Line
 	8250 1200 8250 1050
 Wire Wire Line
-	7850 1050 7850 1200
-Wire Wire Line
-	7850 1200 7850 1700
+	7850 1050 7850 1700
 Connection ~ 7850 1700
 Wire Wire Line
 	5250 3650 5250 3400
 Wire Wire Line
-	7600 4900 7700 4900
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 Wire Wire Line
-	9500 4450 9400 4450
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 Wire Wire Line
 	2550 4250 2400 4250
 Wire Wire Line
 	1100 4850 1450 4850
 Wire Wire Line
+	5900 4050 5950 4050
+Wire Wire Line
+	5950 4050 5950 4100
+Wire Wire Line
 	10600 750  10550 750 
 Wire Wire Line
 	10550 950  10550 1000
@@ -659,9 +673,7 @@ Wire Wire Line
 Wire Wire Line
 	900  6200 2000 6200
 Wire Wire Line
-	700  6450 1850 6450
-Wire Wire Line
-	1850 6450 2000 6450
+	700  6450 2000 6450
 Wire Wire Line
 	1450 3050 1400 3050
 Wire Wire Line
@@ -670,9 +682,7 @@ Wire Wire Line
 	4500 1650 4500 2200
 Connection ~ 4500 2200
 Wire Wire Line
-	3450 5200 3500 5200
-Wire Wire Line
-	3500 5200 3800 5200
+	3450 5200 3800 5200
 Connection ~ 3800 5200
 Connection ~ 3500 5200
 Wire Wire Line
@@ -692,19 +702,13 @@ Wire Wire Line
 Wire Wire Line
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 Wire Wire Line
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-Wire Wire Line
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 Wire Wire Line
 	6900 1250 6900 1300
 Wire Wire Line
-	6800 1050 6800 1250
-Wire Wire Line
-	6800 1250 6800 1300
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 Wire Wire Line
-	6000 2300 4650 2300
-Wire Wire Line
-	4650 2300 4500 2300
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 Wire Wire Line
 	4500 2300 4500 2900
 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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-Wire Wire Line
-	4300 3750 4300 3800
-Wire Wire Line
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+	4300 3300 4300 3800
 Wire Wire Line
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+	4300 850  4200 850 
 Connection ~ 4250 850 
 Wire Wire Line
 	4600 1100 4600 1050
@@ -734,7 +734,7 @@ Wire Wire Line
 	4950 1600 6000 1600
 Connection ~ 4950 650 
 Wire Wire Line
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+	4650 2200 4650 2150
 Connection ~ 4650 2200
 Wire Wire Line
 	5700 1800 6000 1800
@@ -760,15 +760,7 @@ Wire Wire Line
 Wire Wire Line
 	9700 6200 10200 6200
 Wire Wire Line
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-Wire Wire Line
-	7500 5700 7200 5700
-Wire Wire Line
-	7200 5700 6850 5700
-Wire Wire Line
-	6850 5700 6250 5700
-Wire Wire Line
-	6250 5700 6150 5700
+	6150 5700 8650 5700
 Wire Wire Line
 	10300 2100 10600 2100
 Wire Wire Line
@@ -801,46 +793,25 @@ Wire Wire Line
 Wire Wire Line
 	3950 6800 3950 6900
 Wire Wire Line
-	8000 3400 7700 3400
-Wire Wire Line
-	9500 4750 9400 4750
-Wire Wire Line
-	9500 4650 9400 4650
-Text Label 9500 4650 0    60   ~ 0
-ADCVOL_EN
-Text Label 9500 4750 0    60   ~ 0
-SOL_SEL0
-Text Label 9500 4850 0    60   ~ 0
-SOL_SEL1
-$Sheet
-S 7700 4050 1700 1400
-U 4FBA5A42
-F0 "ADC Mux" 60
-F1 "adcmux.sch" 60
-F2 "SOLAR_V0" I L 7700 4450 60 
-F3 "SOLAR_V1" I L 7700 4900 60 
-F4 "ADCVOL_EN" I R 9400 4650 60 
-F5 "SOL_SEL1" I R 9400 4850 60 
-F6 "SOL_SEL0" I R 9400 4750 60 
-F7 "ADC_C2" I R 9400 5250 60 
-F8 "ADC_C3" I R 9400 5350 60 
-F9 "ADC_C1" I R 9400 5150 60 
-F10 "ADC_C0" I R 9400 5050 60 
-F11 "SOLAR_C3" I L 7700 5050 60 
-F12 "SOLAR_C7" I L 7700 5150 60 
-F13 "SOLAR_C11" I L 7700 5250 60 
-F14 "SOLAR_C5" I R 9400 4150 60 
-F15 "SOLAR_C9" I R 9400 4250 60 
-F16 "SOLAR_C1" I R 9400 4350 60 
-F17 "SOLAR_C10" I L 7700 4800 60 
-F18 "SOLAR_C6" I L 7700 4700 60 
-F19 "SOLAR_C2" I L 7700 4600 60 
-F20 "SOLAR_C8" I L 7700 4350 60 
-F21 "SOLAR_C4" I L 7700 4250 60 
-F22 "SOLAR_C0" I L 7700 4150 60 
-F23 "SOLAR_V2" I L 7700 5350 60 
-F24 "MAIN_PWR" I R 9400 4450 60 
-$EndSheet
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+$Comp
+L GND #PWR?
+U 1 1 4FBA6F91
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+F 0 "#PWR?" H 10200 1750 30  0001 C CNN
+F 1 "GND" H 10200 1680 30  0001 C CNN
+	1    10200 1750
+	0    -1   -1   0   
+$EndComp
+$Comp
+L C C?
+U 1 1 4FBA6F76
+P 9950 1750
+F 0 "C?" V 10000 1900 50  0000 L CNN
+F 1 "100nF" V 9850 1950 50  0000 L CNN
+	1    9950 1750
+	0    1    1    0   
+$EndComp
 $Comp
 L GND #PWR?
 U 1 1 4F87671B
@@ -914,6 +885,15 @@ F 1 "IHU_PROG" V 6850 700 40  0000 C CNN
 	1    6800 700 
 	0    -1   -1   0   
 $EndComp
+$Comp
+L CONN_3 K?
+U 1 1 4FB99B79
+P 6050 4450
+F 0 "K?" V 6000 4450 50  0000 C CNN
+F 1 "CONN_3" V 6100 4450 40  0000 C CNN
+	1    6050 4450
+	0    1    1    0   
+$EndComp
 Text Label 4250 900  3    60   ~ 0
 IHU_RST
 Text Label 1350 7450 0    60   ~ 0
@@ -988,10 +968,30 @@ Text Label 2900 6700 0    60   ~ 0
 HEAT0_DIR
 Text Label 2900 6600 0    60   ~ 0
 HEAT1_DIR
+$Comp
+L VCC #PWR?
+U 1 1 4F85D395
+P 6200 4050
+F 0 "#PWR?" H 6200 4150 30  0001 C CNN
+F 1 "VCC" H 6200 4150 30  0000 C CNN
+	1    6200 4050
+	0    1    1    0   
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4F85D389
+P 5900 4050
+F 0 "#PWR?" H 5900 4050 30  0001 C CNN
+F 1 "GND" H 5900 3980 30  0001 C CNN
+	1    5900 4050
+	0    1    1    0   
+$EndComp
+Text Label 6050 4000 1    60   ~ 0
+RE0
 Text Label 5700 2500 2    60   ~ 0
 CTR_RST
 Text Label 5700 2400 2    60   ~ 0
-ADCVOL_EN
+RE0
 Text Label 8000 2200 0    60   ~ 0
 CAPGOOD
 $Comp
@@ -1157,40 +1157,166 @@ F 1 "4.7K" V 4650 2600 50  0000 C CNN
 	1    4650 2600
 	-1   0    0    1   
 $EndComp
+$Comp
+L GND #PWR?
+U 1 1 4F71D892
+P 9300 5450
+F 0 "#PWR?" H 9300 5450 30  0001 C CNN
+F 1 "GND" H 9300 5380 30  0001 C CNN
+	1    9300 5450
+	0    1    1    0   
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4F71D888
+P 7100 5450
+F 0 "#PWR?" H 7100 5450 30  0001 C CNN
+F 1 "GND" H 7100 5380 30  0001 C CNN
+	1    7100 5450
+	0    1    1    0   
+$EndComp
+$Comp
+L C C?
+U 1 1 4F71D562
+P 7350 5450
+F 0 "C?" H 7250 5550 50  0000 L CNN
+F 1 "100nF" V 7250 5300 50  0000 L CNN
+	1    7350 5450
+	0    1    1    0   
+$EndComp
+$Comp
+L C C?
+U 1 1 4F71D55B
+P 9550 5450
+F 0 "C?" H 9450 5550 50  0000 L CNN
+F 1 "100nF" V 9450 5300 50  0000 L CNN
+	1    9550 5450
+	0    1    1    0   
+$EndComp
 Text Label 2550 4650 0    60   ~ 0
 PRF_PWR
-Text Label 7600 5250 2    60   ~ 0
+Text Label 9300 4600 2    60   ~ 0
 SOLAR_C11
-Text Label 9500 4250 0    60   ~ 0
+Text Label 9300 5000 2    60   ~ 0
 SOLAR_C9
-Text Label 7600 5150 2    60   ~ 0
+Text Label 9300 4500 2    60   ~ 0
 SOLAR_C7
-Text Label 9500 4150 0    60   ~ 0
+Text Label 9300 4900 2    60   ~ 0
 SOLAR_C5
-Text Label 7600 4800 2    60   ~ 0
+$Comp
+L VCC #PWR?
+U 1 1 4F70C596
+P 7600 5500
+F 0 "#PWR?" H 7600 5600 30  0001 C CNN
+F 1 "VCC" H 7600 5600 30  0000 C CNN
+	1    7600 5500
+	-1   0    0    1   
+$EndComp
+$Comp
+L VCC #PWR?
+U 1 1 4F70C58E
+P 9800 5500
+F 0 "#PWR?" H 9800 5600 30  0001 C CNN
+F 1 "VCC" H 9800 5600 30  0000 C CNN
+	1    9800 5500
+	-1   0    0    1   
+$EndComp
+Text Label 7100 5100 2    60   ~ 0
 SOLAR_C10
-Text Label 7600 4350 2    60   ~ 0
+Text Label 7100 4600 2    60   ~ 0
 SOLAR_C8
-Text Label 7600 5050 2    60   ~ 0
+Text Label 9300 4400 2    60   ~ 0
 SOLAR_C3
-Text Label 7600 4700 2    60   ~ 0
+Text Label 7100 5000 2    60   ~ 0
 SOLAR_C6
-Text Label 7600 4250 2    60   ~ 0
+Text Label 7100 4500 2    60   ~ 0
 SOLAR_C4
-Text Label 7600 4600 2    60   ~ 0
+Text Label 7100 4900 2    60   ~ 0
 SOLAR_C2
-Text Label 9500 4350 0    60   ~ 0
+Text Label 9300 5100 2    60   ~ 0
 SOLAR_C1
-Text Label 7600 4150 2    60   ~ 0
+Text Label 7100 4400 2    60   ~ 0
 SOLAR_C0
 NoConn ~ 5350 5400
-Text Label 9500 5350 0    60   ~ 0
+$Comp
+L GND #PWR?
+U 1 1 4F70C5E1
+P 7800 4100
+F 0 "#PWR?" H 7800 4100 30  0001 C CNN
+F 1 "GND" H 7800 4030 30  0001 C CNN
+	1    7800 4100
+	-1   0    0    1   
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4F70C5DC
+P 10000 4100
+F 0 "#PWR?" H 10000 4100 30  0001 C CNN
+F 1 "GND" H 10000 4030 30  0001 C CNN
+	1    10000 4100
+	-1   0    0    1   
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4F70C588
+P 7800 5450
+F 0 "#PWR?" H 7800 5450 30  0001 C CNN
+F 1 "GND" H 7800 5380 30  0001 C CNN
+	1    7800 5450
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4F70C587
+P 7700 5450
+F 0 "#PWR?" H 7700 5450 30  0001 C CNN
+F 1 "GND" H 7700 5380 30  0001 C CNN
+	1    7700 5450
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4F70C581
+P 9900 5450
+F 0 "#PWR?" H 9900 5450 30  0001 C CNN
+F 1 "GND" H 9900 5380 30  0001 C CNN
+	1    9900 5450
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4F70C57C
+P 10000 5450
+F 0 "#PWR?" H 10000 5450 30  0001 C CNN
+F 1 "GND" H 10000 5380 30  0001 C CNN
+	1    10000 5450
+	1    0    0    -1  
+$EndComp
+$Comp
+L ADG659 U?
+U 1 1 4F70C54E
+P 9850 4800
+F 0 "U?" H 9850 4900 60  0000 C CNN
+F 1 "ADG659" H 9850 4800 60  0000 C CNN
+	1    9850 4800
+	1    0    0    -1  
+$EndComp
+$Comp
+L ADG659 U?
+U 1 1 4F70C546
+P 7650 4800
+F 0 "U?" H 7650 4900 60  0000 C CNN
+F 1 "ADG659" H 7650 4800 60  0000 C CNN
+	1    7650 4800
+	1    0    0    -1  
+$EndComp
+Text Label 10350 5050 0    60   ~ 0
 ADC_C3
-Text Label 9500 5250 0    60   ~ 0
+Text Label 10350 4550 0    60   ~ 0
 ADC_C2
-Text Label 9500 5150 0    60   ~ 0
+Text Label 8150 5050 0    60   ~ 0
 ADC_C1
-Text Label 9500 5050 0    60   ~ 0
+Text Label 8150 4550 0    60   ~ 0
 ADC_C0
 Text Label 8000 3400 0    60   ~ 0
 SOL_SEL1
@@ -1234,13 +1360,13 @@ $EndComp
 $Comp
 L CONN_5 P?
 U 1 1 4F70C044
-P 9250 850
-F 0 "P?" V 9200 850 50  0000 C CNN
-F 1 "IHU_PWR" V 9300 850 50  0000 C CNN
-	1    9250 850 
+P 9250 750
+F 0 "P?" V 9200 750 50  0000 C CNN
+F 1 "IHU_PWR" V 9300 750 50  0000 C CNN
+	1    9250 750 
 	0    1    -1   0   
 $EndComp
-Text Label 9050 1500 2    60   ~ 0
+Text Label 9050 1400 2    60   ~ 0
 RADIO_SILENCE
 Text Label 1250 2150 0    60   ~ 0
 SOLAR_C11
@@ -1310,7 +1436,7 @@ F 1 "LT3014" H 5050 5050 60  0000 C CNN
 $EndComp
 Text Label 8000 2600 0    60   ~ 0
 MAIN_EN
-Text Label 9550 1500 0    60   ~ 0
+Text Label 9050 1500 2    60   ~ 0
 MAIN_EN
 Text Label 1450 5700 0    60   ~ 0
 MAIN_EN
@@ -1403,7 +1529,7 @@ F 1 "3,3K" V 5250 3900 50  0000 C CNN
 	1    5250 3900
 	1    0    0    -1  
 $EndComp
-Text Label 9550 1400 0    60   ~ 0
+Text Label 9450 1400 0    60   ~ 0
 MAIN_PWR
 Text Label 2600 3700 0    60   ~ 0
 I2C_SCL
@@ -1435,7 +1561,7 @@ F 1 "GND" H 3300 3980 30  0001 C CNN
 	1    3300 4050
 	1    0    0    -1  
 $EndComp
-Text Label 9550 1300 0    60   ~ 0
+Text Label 9550 1200 0    60   ~ 0
 VITAL_PWR
 Text Label 2450 5200 0    60   ~ 0
 VITAL_PWR
@@ -1444,10 +1570,10 @@ MAIN_PWR
 $Comp
 L GND #PWR?
 U 1 1 4F5CDE21
-P 8950 1300
-F 0 "#PWR?" H 8950 1300 30  0001 C CNN
-F 1 "GND" H 8950 1230 30  0001 C CNN
-	1    8950 1300
+P 8950 1200
+F 0 "#PWR?" H 8950 1200 30  0001 C CNN
+F 1 "GND" H 8950 1130 30  0001 C CNN
+	1    8950 1200
 	0    1    1    0   
 $EndComp
 Text Label 10550 1350 2    60   ~ 0
@@ -1644,6 +1770,26 @@ Text Label 4400 4950 2    60   ~ 0
 POWER_FAIL
 Text Label 2550 4350 0    60   ~ 0
 MPU_EN
+$Comp
+L GND #PWR?
+U 1 1 4F5428CF
+P 10000 1550
+F 0 "#PWR?" H 10000 1550 30  0001 C CNN
+F 1 "GND" H 10000 1480 30  0001 C CNN
+	1    10000 1550
+	0    -1   -1   0   
+$EndComp
+$Comp
+L POT RV?
+U 1 1 4F5428CA
+P 9700 1550
+F 0 "RV?" H 9700 1450 50  0000 C CNN
+F 1 "1M0" H 9700 1550 50  0000 C CNN
+	1    9700 1550
+	-1   0    0    1   
+$EndComp
+Text Label 9550 1750 2    60   ~ 0
+MAIN_V
 Text Label 3950 6600 0    60   ~ 0
 POWER_FAIL
 Text Label 3950 6800 0    60   ~ 0
@@ -1870,8 +2016,8 @@ F17 "CTR_RST" I L 2000 7450 60
 $EndSheet
 Text Label 5700 2200 2    60   ~ 0
 1WIRE
-Text Label 9500 4450 0    60   ~ 0
-MAIN_PWR
+Text Label 9300 5200 2    60   ~ 0
+MAIN_V
 Text Label 8000 1900 0    60   ~ 0
 RTC_RST
 Text Label 1250 750  0    60   ~ 0
@@ -2027,7 +2173,7 @@ F 1 "GND" H 4400 2280 30  0001 C CNN
 	1    4400 2350
 	1    0    0    -1  
 $EndComp
-Text Label 7600 4450 2    60   ~ 0
+Text Label 7100 4700 2    60   ~ 0
 SOLAR_V0
 Text Label 5700 2100 2    60   ~ 0
 ADC_C3
@@ -2037,9 +2183,9 @@ Text Label 5700 1900 2    60   ~ 0
 ADC_C1
 Text Label 5700 1800 2    60   ~ 0
 ADC_C0
-Text Label 7600 4900 2    60   ~ 0
+Text Label 7100 5200 2    60   ~ 0
 SOLAR_V1
-Text Label 7600 5350 2    60   ~ 0
+Text Label 9300 4700 2    60   ~ 0
 SOLAR_V2
 $Comp
 L GND #PWR?
diff --git a/hardware/ihu-ttx-test/mainpower.sch b/hardware/ihu-ttx-test/mainpower.sch
index 7f6c5d3..1c3da68 100644
--- a/hardware/ihu-ttx-test/mainpower.sch
+++ b/hardware/ihu-ttx-test/mainpower.sch
@@ -1,4 +1,4 @@
-EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:16:35 CEST
+EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:56:12 CEST
 LIBS:mur-sat
 LIBS:power
 LIBS:device
@@ -33,10 +33,10 @@ LIBS:ihu-ttx-test-cache
 EELAYER 24  0
 EELAYER END
 $Descr A4 11700 8267
-Sheet 3 6
+Sheet 3 5
 Title "Power Path - Main Power"
 Date "21 may 2012"
-Rev "4"
+Rev "3"
 Comp "mur.sat - A Space Art Project"
 Comment1 ""
 Comment2 ""
diff --git a/hardware/ihu-ttx-test/powerpath.sch b/hardware/ihu-ttx-test/powerpath.sch
index 4bcb787..993726e 100644
--- a/hardware/ihu-ttx-test/powerpath.sch
+++ b/hardware/ihu-ttx-test/powerpath.sch
@@ -1,4 +1,4 @@
-EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:16:35 CEST
+EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:56:12 CEST
 LIBS:mur-sat
 LIBS:power
 LIBS:device
@@ -33,10 +33,10 @@ LIBS:ihu-ttx-test-cache
 EELAYER 24  0
 EELAYER END
 $Descr A4 11700 8267
-Sheet 3 6
+Sheet 2 5
 Title "Power Path"
 Date "21 may 2012"
-Rev "4"
+Rev "3"
 Comp "mur.sat - A Space Art Project"
 Comment1 ""
 Comment2 ""
diff --git a/hardware/ihu-ttx-test/solar-input.sch b/hardware/ihu-ttx-test/solar-input.sch
index 0949e1e..7af5fa5 100644
--- a/hardware/ihu-ttx-test/solar-input.sch
+++ b/hardware/ihu-ttx-test/solar-input.sch
@@ -1,4 +1,4 @@
-EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:16:35 CEST
+EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:56:12 CEST
 LIBS:mur-sat
 LIBS:power
 LIBS:device
@@ -33,30 +33,34 @@ LIBS:ihu-ttx-test-cache
 EELAYER 24  0
 EELAYER END
 $Descr A4 11700 8267
-Sheet 6 6
+Sheet 5 5
 Title "Solar Panel Input"
 Date "21 may 2012"
-Rev "4"
+Rev "3"
 Comp "mur.sat - A Space Art Project"
 Comment1 ""
 Comment2 ""
 Comment3 ""
 Comment4 ""
 $EndDescr
-Connection ~ 5000 1600
-Connection ~ 4500 1600
+Connection ~ 4900 5800
+Wire Wire Line
+	4900 6000 4900 5800
 Wire Wire Line
-	4500 1600 5000 1600
+	5100 4600 5100 4650
 Wire Wire Line
-	5000 1600 5250 1600
+	5050 4150 5350 4150
 Wire Wire Line
-	5450 1600 5800 1600
+	4900 4400 4900 4650
 Wire Wire Line
-	5800 1600 6050 1600
+	5100 4200 5100 4150
+Connection ~ 5100 4150
+Connection ~ 4900 1600
 Wire Wire Line
-	6050 1600 6850 1600
+	4900 1800 4900 1600
+Connection ~ 5100 2050
 Wire Wire Line
-	6850 1600 6900 1600
+	5100 2100 5100 2050
 Connection ~ 4700 5800
 Wire Wire Line
 	4700 5100 2650 5100
@@ -86,10 +90,10 @@ Wire Wire Line
 	6750 7600 6750 7550
 Connection ~ 6500 7100
 Wire Wire Line
-	6500 7150 6500 7100
+	6500 7100 6500 7150
 Connection ~ 6000 7100
 Wire Wire Line
-	6000 7150 6000 7100
+	6000 7100 6000 7150
 Connection ~ 5500 7100
 Wire Wire Line
 	5500 7100 5500 7150
@@ -98,19 +102,14 @@ Wire Wire Line
 	5000 7100 5000 7150
 Connection ~ 4500 7100
 Wire Wire Line
-	4500 7150 4500 7100
+	4500 7100 4500 7150
 Connection ~ 4000 7100
 Wire Wire Line
 	4000 7150 4000 7100
 Wire Wire Line
-	5000 6000 5000 5800
-Wire Wire Line
-	5000 1600 5000 1800
-Connection ~ 5000 5800
+	4700 5800 5450 5800
 Wire Wire Line
-	4700 5800 5000 5800
-Wire Wire Line
-	5000 5800 5250 5800
+	5450 1600 4500 1600
 Wire Wire Line
 	5550 5650 5550 5600
 Wire Wire Line
@@ -173,7 +172,7 @@ Wire Wire Line
 	7550 1250 7550 1300
 Connection ~ 5800 3700
 Wire Wire Line
-	5800 3700 5800 4100
+	5800 4100 5800 3700
 Wire Wire Line
 	6350 4100 6350 3900
 Wire Wire Line
@@ -181,7 +180,7 @@ Wire Wire Line
 Wire Wire Line
 	6650 4650 6650 4600
 Wire Wire Line
-	6800 4050 6800 4350
+	6800 4350 6800 4050
 Connection ~ 8850 3500
 Connection ~ 9300 3500
 Wire Wire Line
@@ -189,28 +188,10 @@ Wire Wire Line
 Wire Wire Line
 	8450 4750 8450 4350
 Wire Wire Line
-	6900 3700 6850 3700
-Wire Wire Line
-	6850 3700 6050 3700
-Wire Wire Line
-	6050 3700 5800 3700
-Wire Wire Line
-	5800 3700 5450 3700
+	5650 3700 6900 3700
 Connection ~ 10500 4350
 Wire Wire Line
-	10700 4350 10500 4350
-Wire Wire Line
-	10500 4350 10250 4350
-Wire Wire Line
-	10250 4350 9900 4350
-Wire Wire Line
-	9900 4350 9550 4350
-Wire Wire Line
-	9550 4350 9300 4350
-Wire Wire Line
-	9300 4350 9050 4350
-Wire Wire Line
-	9050 4350 8850 4350
+	10700 4350 8850 4350
 Connection ~ 9900 4350
 Connection ~ 9300 4350
 Connection ~ 9050 4350
@@ -218,15 +199,13 @@ Wire Wire Line
 	10500 4350 10500 4150
 Connection ~ 10250 3500
 Wire Wire Line
-	10500 3500 10500 3750
+	10500 3750 10500 3500
 Wire Wire Line
 	9550 4350 9550 4150
 Wire Wire Line
 	6350 3900 6900 3900
 Wire Wire Line
-	10700 3700 10700 3500
-Wire Wire Line
-	10700 3500 10700 3400
+	10700 3400 10700 3700
 Wire Wire Line
 	8600 3950 8600 4000
 Wire Wire Line
@@ -252,20 +231,14 @@ Wire Wire Line
 Wire Wire Line
 	9300 3500 9300 3750
 Wire Wire Line
-	8400 4000 8600 4000
-Wire Wire Line
-	8600 4000 8700 4000
+	8700 4000 8400 4000
 Connection ~ 8600 4000
 Wire Wire Line
-	9550 3500 9550 3750
+	9550 3750 9550 3500
 Wire Wire Line
-	10250 3750 10250 3500
+	10250 3500 10250 3750
 Wire Wire Line
-	10200 3500 10250 3500
-Wire Wire Line
-	10250 3500 10500 3500
-Wire Wire Line
-	10500 3500 10700 3500
+	10700 3500 10200 3500
 Connection ~ 10500 3500
 Connection ~ 10700 3500
 Wire Wire Line
@@ -281,26 +254,14 @@ Wire Wire Line
 Connection ~ 9550 3500
 Connection ~ 9050 3500
 Wire Wire Line
-	9600 3500 9550 3500
-Wire Wire Line
-	9550 3500 9300 3500
-Wire Wire Line
-	9300 3500 9050 3500
-Wire Wire Line
-	9050 3500 8850 3500
-Wire Wire Line
-	8850 3500 8600 3500
-Wire Wire Line
-	8600 3500 8450 3500
+	9600 3500 8450 3500
 Wire Wire Line
 	8450 3500 8450 3700
 Wire Wire Line
 	8450 3700 8400 3700
 Connection ~ 8600 3500
 Wire Wire Line
-	6900 4050 6800 4050
-Wire Wire Line
-	6800 4050 6650 4050
+	6900 4050 6650 4050
 Wire Wire Line
 	6650 4050 6650 4100
 Connection ~ 6800 4050
@@ -313,7 +274,7 @@ Wire Wire Line
 Connection ~ 6050 3700
 Connection ~ 6050 5800
 Wire Wire Line
-	6050 6200 6050 5800
+	6050 5800 6050 6200
 Wire Wire Line
 	5800 6750 5800 6600
 Wire Wire Line
@@ -322,26 +283,14 @@ Connection ~ 6800 6150
 Wire Wire Line
 	6650 6200 6650 6150
 Wire Wire Line
-	6650 6150 6800 6150
-Wire Wire Line
-	6800 6150 6900 6150
+	6650 6150 6900 6150
 Connection ~ 8600 5600
 Wire Wire Line
 	8400 5800 8450 5800
 Wire Wire Line
 	8450 5800 8450 5600
 Wire Wire Line
-	8450 5600 8600 5600
-Wire Wire Line
-	8600 5600 8850 5600
-Wire Wire Line
-	8850 5600 9050 5600
-Wire Wire Line
-	9050 5600 9300 5600
-Wire Wire Line
-	9300 5600 9550 5600
-Wire Wire Line
-	9550 5600 9600 5600
+	8450 5600 9600 5600
 Connection ~ 9050 5600
 Connection ~ 9550 5600
 Wire Wire Line
@@ -357,20 +306,14 @@ Wire Wire Line
 Connection ~ 10700 5600
 Connection ~ 10500 5600
 Wire Wire Line
-	10200 5600 10250 5600
-Wire Wire Line
-	10250 5600 10500 5600
-Wire Wire Line
-	10500 5600 10700 5600
+	10200 5600 10700 5600
 Wire Wire Line
 	10250 5850 10250 5600
 Wire Wire Line
 	9550 5600 9550 5850
 Connection ~ 8600 6100
 Wire Wire Line
-	8400 6100 8600 6100
-Wire Wire Line
-	8600 6100 8700 6100
+	8700 6100 8400 6100
 Wire Wire Line
 	9300 5600 9300 5850
 Wire Wire Line
@@ -390,15 +333,13 @@ Wire Wire Line
 Wire Wire Line
 	10700 6000 10700 6450
 Wire Wire Line
-	9050 6450 9050 6250
+	9050 6250 9050 6450
 Wire Wire Line
 	9050 5600 9050 5850
 Wire Wire Line
 	8600 6050 8600 6100
 Wire Wire Line
-	10700 5800 10700 5600
-Wire Wire Line
-	10700 5600 10700 5500
+	10700 5500 10700 5800
 Wire Wire Line
 	6900 6000 6350 6000
 Wire Wire Line
@@ -412,28 +353,10 @@ Connection ~ 9050 6450
 Connection ~ 9300 6450
 Connection ~ 9900 6450
 Wire Wire Line
-	10700 6450 10500 6450
-Wire Wire Line
-	10500 6450 10250 6450
-Wire Wire Line
-	10250 6450 9900 6450
-Wire Wire Line
-	9900 6450 9550 6450
-Wire Wire Line
-	9550 6450 9300 6450
-Wire Wire Line
-	9300 6450 9050 6450
-Wire Wire Line
-	9050 6450 8850 6450
+	10700 6450 8850 6450
 Connection ~ 10500 6450
 Wire Wire Line
-	6900 5800 6850 5800
-Wire Wire Line
-	6850 5800 6050 5800
-Wire Wire Line
-	6050 5800 5800 5800
-Wire Wire Line
-	5800 5800 5450 5800
+	5650 5800 6900 5800
 Wire Wire Line
 	8450 6450 8450 6850
 Wire Wire Line
@@ -453,7 +376,7 @@ Wire Wire Line
 Connection ~ 5800 5800
 Connection ~ 5800 1600
 Wire Wire Line
-	5800 1600 5800 2000
+	5800 2000 5800 1600
 Wire Wire Line
 	6350 2000 6350 1800
 Wire Wire Line
@@ -461,18 +384,18 @@ Wire Wire Line
 Wire Wire Line
 	6650 2550 6650 2500
 Wire Wire Line
-	6800 1950 6800 2250
+	6800 2250 6800 1950
 Connection ~ 8850 1400
 Connection ~ 9300 1400
 Wire Wire Line
+	5350 6300 5350 6250
+Wire Wire Line
 	3900 3700 3950 3700
 Connection ~ 2650 3600
 Wire Wire Line
 	2650 3600 2650 3450
 Wire Wire Line
-	2700 3800 2050 3800
-Wire Wire Line
-	2050 3800 2000 3800
+	2000 3800 2700 3800
 Connection ~ 2050 3800
 Wire Wire Line
 	2100 3600 2050 3600
@@ -481,9 +404,7 @@ Wire Wire Line
 Wire Wire Line
 	2000 4000 2050 4000
 Wire Wire Line
-	2600 3600 2650 3600
-Wire Wire Line
-	2650 3600 2700 3600
+	2700 3600 2600 3600
 Wire Wire Line
 	4000 3600 3900 3600
 Wire Wire Line
@@ -493,9 +414,7 @@ Wire Wire Line
 Wire Wire Line
 	4000 3050 3900 3050
 Wire Wire Line
-	2600 3050 2650 3050
-Wire Wire Line
-	2650 3050 2700 3050
+	2700 3050 2600 3050
 Wire Wire Line
 	2000 3450 2050 3450
 Wire Wire Line
@@ -504,9 +423,7 @@ Wire Wire Line
 	2050 3050 2100 3050
 Connection ~ 2050 3250
 Wire Wire Line
-	2700 3250 2050 3250
-Wire Wire Line
-	2050 3250 2000 3250
+	2000 3250 2700 3250
 Wire Wire Line
 	2650 2900 2650 3050
 Connection ~ 2650 3050
@@ -518,9 +435,7 @@ Connection ~ 2650 850
 Wire Wire Line
 	2650 700  2650 850 
 Wire Wire Line
-	2700 1050 2050 1050
-Wire Wire Line
-	2050 1050 2000 1050
+	2000 1050 2700 1050
 Connection ~ 2050 1050
 Wire Wire Line
 	2100 850  2050 850 
@@ -529,9 +444,7 @@ Wire Wire Line
 Wire Wire Line
 	2000 1250 2050 1250
 Wire Wire Line
-	2600 850  2650 850 
-Wire Wire Line
-	2650 850  2700 850 
+	2700 850  2600 850 
 Wire Wire Line
 	4000 850  3900 850 
 Wire Wire Line
@@ -541,9 +454,7 @@ Wire Wire Line
 Wire Wire Line
 	4000 1400 3900 1400
 Wire Wire Line
-	2600 1400 2650 1400
-Wire Wire Line
-	2650 1400 2700 1400
+	2700 1400 2600 1400
 Wire Wire Line
 	2000 1800 2050 1800
 Wire Wire Line
@@ -552,9 +463,7 @@ Wire Wire Line
 	2050 1400 2100 1400
 Connection ~ 2050 1600
 Wire Wire Line
-	2700 1600 2050 1600
-Wire Wire Line
-	2050 1600 2000 1600
+	2000 1600 2700 1600
 Wire Wire Line
 	2650 1400 2650 1250
 Connection ~ 2650 1400
@@ -566,9 +475,7 @@ Connection ~ 2650 2500
 Wire Wire Line
 	2650 2350 2650 2500
 Wire Wire Line
-	2700 2700 2050 2700
-Wire Wire Line
-	2050 2700 2000 2700
+	2000 2700 2700 2700
 Connection ~ 2050 2700
 Wire Wire Line
 	2100 2500 2050 2500
@@ -577,9 +484,7 @@ Wire Wire Line
 Wire Wire Line
 	2000 2900 2050 2900
 Wire Wire Line
-	2600 2500 2650 2500
-Wire Wire Line
-	2650 2500 2700 2500
+	2700 2500 2600 2500
 Wire Wire Line
 	4000 2500 3900 2500
 Wire Wire Line
@@ -589,9 +494,7 @@ Wire Wire Line
 Wire Wire Line
 	4000 1950 3900 1950
 Wire Wire Line
-	2600 1950 2650 1950
-Wire Wire Line
-	2650 1950 2700 1950
+	2700 1950 2600 1950
 Wire Wire Line
 	2000 2350 2050 2350
 Wire Wire Line
@@ -600,9 +503,7 @@ Wire Wire Line
 	2050 1950 2100 1950
 Connection ~ 2050 2150
 Wire Wire Line
-	2700 2150 2050 2150
-Wire Wire Line
-	2050 2150 2000 2150
+	2000 2150 2700 2150
 Wire Wire Line
 	2650 1950 2650 1800
 Connection ~ 2650 1950
@@ -614,9 +515,7 @@ Connection ~ 2650 5250
 Wire Wire Line
 	2650 5100 2650 5250
 Wire Wire Line
-	2700 5450 2050 5450
-Wire Wire Line
-	2050 5450 2000 5450
+	2000 5450 2700 5450
 Connection ~ 2050 5450
 Wire Wire Line
 	2100 5250 2050 5250
@@ -625,9 +524,7 @@ Wire Wire Line
 Wire Wire Line
 	2000 5650 2050 5650
 Wire Wire Line
-	2600 5250 2650 5250
-Wire Wire Line
-	2650 5250 2700 5250
+	2700 5250 2600 5250
 Wire Wire Line
 	4000 5250 3900 5250
 Wire Wire Line
@@ -637,9 +534,7 @@ Wire Wire Line
 Wire Wire Line
 	4000 5800 3900 5800
 Wire Wire Line
-	2600 5800 2650 5800
-Wire Wire Line
-	2650 5800 2700 5800
+	2700 5800 2600 5800
 Wire Wire Line
 	2000 6200 2050 6200
 Wire Wire Line
@@ -648,9 +543,7 @@ Wire Wire Line
 	2050 5800 2100 5800
 Connection ~ 2050 6000
 Wire Wire Line
-	2700 6000 2050 6000
-Wire Wire Line
-	2050 6000 2000 6000
+	2000 6000 2700 6000
 Wire Wire Line
 	2650 5800 2650 5650
 Connection ~ 2650 5800
@@ -662,9 +555,7 @@ Connection ~ 2650 4700
 Wire Wire Line
 	2650 4550 2650 4700
 Wire Wire Line
-	2700 4900 2050 4900
-Wire Wire Line
-	2050 4900 2000 4900
+	2000 4900 2700 4900
 Connection ~ 2050 4900
 Wire Wire Line
 	2100 4700 2050 4700
@@ -673,9 +564,7 @@ Wire Wire Line
 Wire Wire Line
 	2000 5100 2050 5100
 Wire Wire Line
-	2600 4700 2650 4700
-Wire Wire Line
-	2650 4700 2700 4700
+	2700 4700 2600 4700
 Wire Wire Line
 	4000 4700 3900 4700
 Wire Wire Line
@@ -685,9 +574,7 @@ Wire Wire Line
 Wire Wire Line
 	4000 4150 3900 4150
 Wire Wire Line
-	2600 4150 2650 4150
-Wire Wire Line
-	2650 4150 2700 4150
+	2700 4150 2600 4150
 Wire Wire Line
 	2000 4550 2050 4550
 Wire Wire Line
@@ -696,9 +583,7 @@ Wire Wire Line
 	2050 4150 2100 4150
 Connection ~ 2050 4350
 Wire Wire Line
-	2700 4350 2050 4350
-Wire Wire Line
-	2050 4350 2000 4350
+	2000 4350 2700 4350
 Wire Wire Line
 	2650 4150 2650 4000
 Connection ~ 2650 4150
@@ -710,9 +595,7 @@ Connection ~ 2650 6350
 Wire Wire Line
 	2650 6200 2650 6350
 Wire Wire Line
-	2700 6550 2050 6550
-Wire Wire Line
-	2050 6550 2000 6550
+	2000 6550 2700 6550
 Connection ~ 2050 6550
 Wire Wire Line
 	2100 6350 2050 6350
@@ -721,9 +604,7 @@ Wire Wire Line
 Wire Wire Line
 	2000 6750 2050 6750
 Wire Wire Line
-	2600 6350 2650 6350
-Wire Wire Line
-	2650 6350 2700 6350
+	2700 6350 2600 6350
 Wire Wire Line
 	4000 6350 3900 6350
 Wire Wire Line
@@ -731,20 +612,24 @@ Wire Wire Line
 Wire Wire Line
 	4000 6900 3900 6900
 Wire Wire Line
-	2600 6900 2650 6900
-Wire Wire Line
-	2650 6900 2700 6900
+	2700 6900 2600 6900
 Wire Wire Line
 	2000 7300 2050 7300
 Wire Wire Line
 	2050 7100 2050 6900
 Wire Wire Line
 	2050 6900 2100 6900
-Connection ~ 2050 7100
 Wire Wire Line
-	2700 7100 2050 7100
+	5350 4150 5350 4200
+Wire Wire Line
+	4900 2300 4900 2550
+Wire Wire Line
+	5050 2050 5350 2050
+Wire Wire Line
+	5350 2050 5350 2100
+Connection ~ 2050 7100
 Wire Wire Line
-	2050 7100 2000 7100
+	2000 7100 2700 7100
 Wire Wire Line
 	2650 6900 2650 6750
 Connection ~ 2650 6900
@@ -754,21 +639,11 @@ Wire Wire Line
 	7550 2600 7550 2650
 Wire Wire Line
 	8450 2650 8450 2250
-Connection ~ 10500 2250
-Wire Wire Line
-	10700 2250 10500 2250
-Wire Wire Line
-	10500 2250 10250 2250
-Wire Wire Line
-	10250 2250 9900 2250
 Wire Wire Line
-	9900 2250 9550 2250
-Wire Wire Line
-	9550 2250 9300 2250
-Wire Wire Line
-	9300 2250 9050 2250
+	5650 1600 6900 1600
+Connection ~ 10500 2250
 Wire Wire Line
-	9050 2250 8850 2250
+	10700 2250 8850 2250
 Connection ~ 9900 2250
 Connection ~ 9300 2250
 Connection ~ 9050 2250
@@ -776,15 +651,13 @@ Wire Wire Line
 	10500 2250 10500 2050
 Connection ~ 10250 1400
 Wire Wire Line
-	10500 1400 10500 1650
+	10500 1650 10500 1400
 Wire Wire Line
 	9550 2250 9550 2050
 Wire Wire Line
 	6350 1800 6900 1800
 Wire Wire Line
-	10700 1600 10700 1400
-Wire Wire Line
-	10700 1400 10700 1300
+	10700 1300 10700 1600
 Wire Wire Line
 	8600 1850 8600 1900
 Wire Wire Line
@@ -810,20 +683,14 @@ Wire Wire Line
 Wire Wire Line
 	9300 1400 9300 1650
 Wire Wire Line
-	8400 1900 8600 1900
-Wire Wire Line
-	8600 1900 8700 1900
+	8700 1900 8400 1900
 Connection ~ 8600 1900
 Wire Wire Line
-	9550 1400 9550 1650
+	9550 1650 9550 1400
 Wire Wire Line
-	10250 1650 10250 1400
+	10250 1400 10250 1650
 Wire Wire Line
-	10200 1400 10250 1400
-Wire Wire Line
-	10250 1400 10500 1400
-Wire Wire Line
-	10500 1400 10700 1400
+	10700 1400 10200 1400
 Connection ~ 10500 1400
 Connection ~ 10700 1400
 Wire Wire Line
@@ -839,26 +706,14 @@ Wire Wire Line
 Connection ~ 9550 1400
 Connection ~ 9050 1400
 Wire Wire Line
-	9600 1400 9550 1400
-Wire Wire Line
-	9550 1400 9300 1400
-Wire Wire Line
-	9300 1400 9050 1400
-Wire Wire Line
-	9050 1400 8850 1400
-Wire Wire Line
-	8850 1400 8600 1400
-Wire Wire Line
-	8600 1400 8450 1400
+	9600 1400 8450 1400
 Wire Wire Line
 	8450 1400 8450 1600
 Wire Wire Line
 	8450 1600 8400 1600
 Connection ~ 8600 1400
 Wire Wire Line
-	6900 1950 6800 1950
-Wire Wire Line
-	6800 1950 6650 1950
+	6900 1950 6650 1950
 Wire Wire Line
 	6650 1950 6650 2000
 Connection ~ 6800 1950
@@ -891,36 +746,9 @@ Wire Wire Line
 Wire Wire Line
 	5500 1300 5600 1300
 Wire Wire Line
-	4600 3700 5000 3700
-Wire Wire Line
-	5000 3700 5250 3700
-Connection ~ 5000 3700
-Wire Wire Line
-	6800 7100 6750 7100
-Wire Wire Line
-	6750 7100 6500 7100
-Wire Wire Line
-	6500 7100 6250 7100
-Wire Wire Line
-	6250 7100 6000 7100
-Wire Wire Line
-	6000 7100 5750 7100
-Wire Wire Line
-	5750 7100 5500 7100
-Wire Wire Line
-	5500 7100 5250 7100
-Wire Wire Line
-	5250 7100 5000 7100
-Wire Wire Line
-	5000 7100 4750 7100
-Wire Wire Line
-	4750 7100 4500 7100
-Wire Wire Line
-	4500 7100 4250 7100
+	5450 3700 4600 3700
 Wire Wire Line
-	4250 7100 4000 7100
-Wire Wire Line
-	4000 7100 3900 7100
+	3900 7100 6800 7100
 Wire Wire Line
 	4250 7150 4250 7100
 Connection ~ 4250 7100
@@ -953,16 +781,11 @@ Wire Wire Line
 	4000 7600 4000 7550
 Wire Wire Line
 	2650 1800 4500 1800
+Connection ~ 4500 1600
 Wire Wire Line
 	2650 3450 4500 3450
 Wire Wire Line
-	4500 3450 4500 2350
-Wire Wire Line
-	4500 2350 4500 1800
-Wire Wire Line
-	4500 1800 4500 1600
-Wire Wire Line
-	4500 1600 4500 700 
+	4500 3450 4500 700 
 Connection ~ 4500 2350
 Wire Wire Line
 	2650 4000 4600 4000
@@ -970,13 +793,7 @@ Connection ~ 4600 3700
 Wire Wire Line
 	2650 5650 4600 5650
 Wire Wire Line
-	4600 5650 4600 4550
-Wire Wire Line
-	4600 4550 4600 4000
-Wire Wire Line
-	4600 4000 4600 3700
-Wire Wire Line
-	4600 3700 4600 2900
+	4600 5650 4600 2900
 Connection ~ 4600 4550
 Wire Wire Line
 	2650 6750 4700 6750
@@ -984,16 +801,112 @@ Connection ~ 4700 6200
 Wire Wire Line
 	2650 1250 4700 1250
 Wire Wire Line
-	4700 1250 4700 5100
+	4700 1250 4700 6750
+Connection ~ 4700 5100
 Wire Wire Line
-	4700 5100 4700 5800
+	5100 2500 5100 2550
 Wire Wire Line
-	4700 5800 4700 6200
+	4900 3900 4900 3700
+Connection ~ 4900 3700
+Connection ~ 5100 6250
 Wire Wire Line
-	4700 6200 4700 6750
-Connection ~ 4700 5100
+	5100 6300 5100 6250
 Wire Wire Line
-	5000 3900 5000 3700
+	4900 6500 4900 6750
+Wire Wire Line
+	5350 6250 5050 6250
+Wire Wire Line
+	5100 6700 5100 6750
+$Comp
+L GND #PWR?
+U 1 1 4FBA701E
+P 5100 6750
+F 0 "#PWR?" H 5100 6750 30  0001 C CNN
+F 1 "GND" H 5100 6680 30  0001 C CNN
+	1    5100 6750
+	1    0    0    -1  
+$EndComp
+$Comp
+L C C?
+U 1 1 4FBA701D
+P 5100 6500
+F 0 "C?" V 5150 6600 50  0000 L CNN
+F 1 "100nF" V 5150 6350 50  0000 L CNN
+	1    5100 6500
+	1    0    0    -1  
+$EndComp
+$Comp
+L POT RV?
+U 1 1 4FBA701C
+P 4900 6250
+F 0 "RV?" H 4900 6150 50  0000 C CNN
+F 1 "1M0" H 4900 6250 50  0000 C CNN
+	1    4900 6250
+	0    1    1    0   
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4FBA701B
+P 4900 6750
+F 0 "#PWR?" H 4900 6750 30  0001 C CNN
+F 1 "GND" H 4900 6680 30  0001 C CNN
+	1    4900 6750
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4FBA700A
+P 4900 4650
+F 0 "#PWR?" H 4900 4650 30  0001 C CNN
+F 1 "GND" H 4900 4580 30  0001 C CNN
+	1    4900 4650
+	1    0    0    -1  
+$EndComp
+$Comp
+L POT RV?
+U 1 1 4FBA7009
+P 4900 4150
+F 0 "RV?" H 4900 4050 50  0000 C CNN
+F 1 "1M0" H 4900 4150 50  0000 C CNN
+	1    4900 4150
+	0    1    1    0   
+$EndComp
+$Comp
+L C C?
+U 1 1 4FBA7008
+P 5100 4400
+F 0 "C?" V 5150 4500 50  0000 L CNN
+F 1 "100nF" V 5150 4250 50  0000 L CNN
+	1    5100 4400
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4FBA7007
+P 5100 4650
+F 0 "#PWR?" H 5100 4650 30  0001 C CNN
+F 1 "GND" H 5100 4580 30  0001 C CNN
+	1    5100 4650
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4FBA6FC3
+P 5100 2550
+F 0 "#PWR?" H 5100 2550 30  0001 C CNN
+F 1 "GND" H 5100 2480 30  0001 C CNN
+	1    5100 2550
+	1    0    0    -1  
+$EndComp
+$Comp
+L C C?
+U 1 1 4FBA6FBE
+P 5100 2300
+F 0 "C?" V 5150 2400 50  0000 L CNN
+F 1 "100nF" V 5150 2150 50  0000 L CNN
+	1    5100 2300
+	1    0    0    -1  
+$EndComp
 $Comp
 L SC-STRIP SCS?
 U 1 1 4F8037AA
@@ -1478,10 +1391,10 @@ NoConn ~ 6900 4250
 $Comp
 L CONN_2 P?
 U 1 1 4F6E42F0
-P 5350 4050
-F 0 "P?" V 5300 4050 40  0000 C CNN
-F 1 "CH_DIS1" V 5400 4050 40  0000 C CNN
-	1    5350 4050
+P 5550 4050
+F 0 "P?" V 5500 4050 40  0000 C CNN
+F 1 "CH_DIS1" V 5600 4050 40  0000 C CNN
+	1    5550 4050
 	0    1    1    0   
 $EndComp
 $Comp
@@ -1748,10 +1661,10 @@ $EndComp
 $Comp
 L CONN_2 P?
 U 1 1 4F6E42CB
-P 5350 6150
-F 0 "P?" V 5300 6150 40  0000 C CNN
-F 1 "CH_DIS2" V 5400 6150 40  0000 C CNN
-	1    5350 6150
+P 5550 6150
+F 0 "P?" V 5500 6150 40  0000 C CNN
+F 1 "CH_DIS2" V 5600 6150 40  0000 C CNN
+	1    5550 6150
 	0    1    1    0   
 $EndComp
 NoConn ~ 6900 6350
@@ -1947,10 +1860,10 @@ NoConn ~ 6900 2150
 $Comp
 L CONN_2 P?
 U 1 1 4F6E40D0
-P 5350 1950
-F 0 "P?" V 5300 1950 40  0000 C CNN
-F 1 "CH_DIS0" V 5400 1950 40  0000 C CNN
-	1    5350 1950
+P 5550 1950
+F 0 "P?" V 5500 1950 40  0000 C CNN
+F 1 "CH_DIS0" V 5600 1950 40  0000 C CNN
+	1    5550 1950
 	0    1    1    0   
 $EndComp
 $Comp
@@ -2098,7 +2011,7 @@ Text HLabel 5500 5400 0    60   Input ~ 0
 SOLAR_C11
 Text HLabel 5500 5100 0    60   Input ~ 0
 SOLAR_V2
-Text Label 5000 6000 3    60   ~ 0
+Text Label 5350 6300 3    60   ~ 0
 SOLAR_V2
 $Comp
 L CONN_2 P?
@@ -2750,10 +2663,28 @@ F 1 "VCC" H 5550 850 30  0000 C CNN
 	1    5550 750 
 	1    0    0    -1  
 $EndComp
-Text Label 5000 3900 3    60   ~ 0
+Text Label 5350 4200 3    60   ~ 0
 SOLAR_V1
-Text Label 5000 1800 3    60   ~ 0
+Text Label 5350 2100 3    60   ~ 0
 SOLAR_V0
+$Comp
+L POT RV?
+U 1 1 4F4D6977
+P 4900 2050
+F 0 "RV?" H 4900 1950 50  0000 C CNN
+F 1 "1M0" H 4900 2050 50  0000 C CNN
+	1    4900 2050
+	0    1    1    0   
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 4F4D696A
+P 4900 2550
+F 0 "#PWR?" H 4900 2550 30  0001 C CNN
+F 1 "GND" H 4900 2480 30  0001 C CNN
+	1    4900 2550
+	1    0    0    -1  
+$EndComp
 Text HLabel 5500 3000 0    60   Input ~ 0
 SOLAR_V1
 Text HLabel 5500 5500 0    60   Input ~ 0
diff --git a/hardware/ihu-ttx-test/ttxcrx.sch b/hardware/ihu-ttx-test/ttxcrx.sch
index c5147fd..63967f7 100644
--- a/hardware/ihu-ttx-test/ttxcrx.sch
+++ b/hardware/ihu-ttx-test/ttxcrx.sch
@@ -1,4 +1,4 @@
-EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:16:35 CEST
+EESchema Schematic File Version 2  date Mon 21 Mai 2012 18:56:12 CEST
 LIBS:mur-sat
 LIBS:power
 LIBS:device
@@ -33,10 +33,10 @@ LIBS:ihu-ttx-test-cache
 EELAYER 24  0
 EELAYER END
 $Descr A4 11700 8267
-Sheet 4 6
+Sheet 4 5
 Title "CTR, TTX, CRX, Heating"
 Date "21 may 2012"
-Rev "4"
+Rev "3"
 Comp "mur.sat - A Space Art Project"
 Comment1 ""
 Comment2 ""