2018-11-14 12:00

10 files changed, 756 insertions, 43 deletions

diff --git a/PCB/_saved_galvanostat.sch b/PCB/_saved_galvanostat.sch
new file mode 100644
index 0000000..e1b3727
--- /dev/null
+++ b/PCB/_saved_galvanostat.sch
@@ -0,0 +1,715 @@
+EESchema Schematic File Version 4
+LIBS:galvanostat-cache
+EELAYER 26 0
+EELAYER END
+$Descr USLetter 11000 8500
+encoding utf-8
+Sheet 1 1
+Title "Dual Galvanostat"
+Date "2018-11-14"
+Rev "B"
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+F 1 "240Ω" H 5032 3895 50  0000 R CNN
+F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5140 3840 50  0001 C CNN
+F 3 "~" H 5100 3850 50  0001 C CNN
+	1    5100 3850
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R_US R3
+U 1 1 5BE9C817
+P 5100 4150
+F 0 "R3" H 5168 4196 50  0000 L CNN
+F 1 "240Ω" H 5168 4105 50  0000 L CNN
+F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5140 4140 50  0001 C CNN
+F 3 "~" H 5100 4150 50  0001 C CNN
+	1    5100 4150
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0120
+U 1 1 5BEA5EE3
+P 5100 4300
+F 0 "#PWR0120" H 5100 4050 50  0001 C CNN
+F 1 "GND" H 5105 4127 50  0000 C CNN
+F 2 "" H 5100 4300 50  0001 C CNN
+F 3 "" H 5100 4300 50  0001 C CNN
+	1    5100 4300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5100 4000 5600 4000
+Connection ~ 5100 4000
+Connection ~ 6450 2250
+Wire Wire Line
+	6450 2250 6450 2350
+Wire Wire Line
+	6450 2650 6450 2550
+Wire Wire Line
+	6450 2550 6750 2550
+Wire Wire Line
+	6450 2350 6750 2350
+Wire Wire Line
+	4850 1950 5350 1950
+Wire Wire Line
+	5350 1950 5350 2550
+Wire Wire Line
+	5350 2550 5550 2550
+Connection ~ 4850 1950
+Wire Wire Line
+	4700 2550 5200 2550
+Wire Wire Line
+	5200 2550 5200 2150
+Wire Wire Line
+	5200 2150 5550 2150
+Connection ~ 4700 2550
+$EndSCHEMATC
diff --git a/PCB/back.pdf b/PCB/back.pdf
index c5f7fe0..0ee955a 100644
--- a/PCB/back.pdf
+++ b/PCB/back.pdf
diff --git a/PCB/front.pdf b/PCB/front.pdf
index 098dcc2..38ed2e7 100644
--- a/PCB/front.pdf
+++ b/PCB/front.pdf
diff --git a/PCB/galvanostat.bak b/PCB/galvanostat.bak
index 95cf6b2..74b939a 100644
--- a/PCB/galvanostat.bak
+++ b/PCB/galvanostat.bak
@@ -2,11 +2,11 @@ EESchema Schematic File Version 4
 LIBS:galvanostat-cache
 EELAYER 26 0
 EELAYER END
-$Descr A4 11693 8268
+$Descr USLetter 11000 8500
 encoding utf-8
 Sheet 1 1
 Title "Dual Galvanostat"
-Date "2018-11-09"
+Date "2018-11-14"
 Rev "B"
 Comp ""
 Comment1 ""
@@ -346,10 +346,6 @@ Wire Wire Line
 Connection ~ 4450 2250
 Wire Wire Line
 	4450 1950 4850 1950
-Wire Wire Line
-	4850 1950 4850 2150
-Wire Wire Line
-	4850 2150 5550 2150
 $Comp
 L power:+15V #PWR0110
 U 1 1 5BE8B06B
@@ -588,7 +584,6 @@ F 3 "~" H 5050 1900 50  0001 C CNN
 $EndComp
 Wire Wire Line
 	4850 1900 4850 1950
-Connection ~ 4850 1950
 $Comp
 L Connector:TestPoint TP3
 U 1 1 5BEBBCC0
@@ -602,9 +597,6 @@ F 3 "~" H 4900 2500 50  0001 C CNN
 $EndComp
 Wire Wire Line
 	4700 2500 4700 2550
-Connection ~ 4700 2550
-Wire Wire Line
-	4700 2550 5550 2550
 $Comp
 L Connector:TestPoint TP2
 U 1 1 5BEBD293
@@ -697,15 +689,27 @@ $EndComp
 Wire Wire Line
 	5100 4000 5600 4000
 Connection ~ 5100 4000
+Connection ~ 6450 2250
+Wire Wire Line
+	6450 2250 6450 2350
+Wire Wire Line
+	6450 2650 6450 2550
+Wire Wire Line
+	6450 2550 6750 2550
 Wire Wire Line
 	6450 2350 6750 2350
 Wire Wire Line
-	6450 2350 6450 2650
+	4850 1950 5350 1950
 Wire Wire Line
-	6450 2250 6600 2250
+	5350 1950 5350 2550
 Wire Wire Line
-	6600 2250 6600 2550
+	5350 2550 5550 2550
+Connection ~ 4850 1950
 Wire Wire Line
-	6600 2550 6750 2550
-Connection ~ 6450 2250
+	4700 2550 5200 2550
+Wire Wire Line
+	5200 2550 5200 2150
+Wire Wire Line
+	5200 2150 5550 2150
+Connection ~ 4700 2550
 $EndSCHEMATC
diff --git a/PCB/galvanostat.kicad_pcb b/PCB/galvanostat.kicad_pcb
index f207e71..5da1831 100644
--- a/PCB/galvanostat.kicad_pcb
+++ b/PCB/galvanostat.kicad_pcb
@@ -12,8 +12,8 @@
   (page USLetter)
   (title_block
     (title "Dual Galvanostat")
-    (date 2018-11-07)
-    (rev a)
+    (date 2018-11-14)
+    (rev B)
   )
 
   (layers
diff --git a/PCB/galvanostat.kicad_pcb-bak b/PCB/galvanostat.kicad_pcb-bak
index fe9668c..f207e71 100644
--- a/PCB/galvanostat.kicad_pcb-bak
+++ b/PCB/galvanostat.kicad_pcb-bak
@@ -3,7 +3,7 @@
   (general
     (thickness 1.6)
     (drawings 14)
-    (tracks 209)
+    (tracks 203)
     (zones 0)
     (modules 27)
     (nets 24)
@@ -66,7 +66,7 @@
     (pad_to_mask_clearance 0.051)
     (solder_mask_min_width 0.25)
     (aux_axis_origin 0 0)
-    (grid_origin 140.97 73.66)
+    (grid_origin 135.89 69.85)
     (visible_elements FFFFFF7F)
     (pcbplotparams
       (layerselection 0x01000_ffffffff)
@@ -904,13 +904,13 @@
     (pad 7 thru_hole oval (at 7.62 2.54 90) (size 2.4 1.6) (drill 0.8) (layers *.Cu *.Mask)
       (net 16 "Net-(U3-Pad6)"))
     (pad 3 thru_hole oval (at 0 5.08 90) (size 2.4 1.6) (drill 0.8) (layers *.Cu *.Mask)
-      (net 10 "Net-(R1-Pad2)"))
+      (net 11 "Net-(RV3-Pad1)"))
     (pad 6 thru_hole oval (at 7.62 5.08 90) (size 2.4 1.6) (drill 0.8) (layers *.Cu *.Mask)
       (net 16 "Net-(U3-Pad6)"))
     (pad 2 thru_hole oval (at 0 2.54 90) (size 2.4 1.6) (drill 0.8) (layers *.Cu *.Mask)
       (net 17 "Net-(U3-Pad1)"))
     (pad 5 thru_hole oval (at 7.62 7.62 90) (size 2.4 1.6) (drill 0.8) (layers *.Cu *.Mask)
-      (net 11 "Net-(RV3-Pad1)"))
+      (net 10 "Net-(R1-Pad2)"))
     (pad 1 thru_hole rect (at 0 0 90) (size 2.4 1.6) (drill 0.8) (layers *.Cu *.Mask)
       (net 17 "Net-(U3-Pad1)"))
     (model ${KISYS3DMOD}/Package_DIP.3dshapes/DIP-8_W7.62mm_Socket.wrl
@@ -1445,30 +1445,24 @@
   (segment (start 129.54 55.88) (end 129.54 58.42) (width 0.762) (layer B.Cu) (net 10))
   (segment (start 129.54 50.8) (end 132.08 53.34) (width 0.762) (layer B.Cu) (net 10))
   (segment (start 127 50.8) (end 129.54 50.8) (width 0.762) (layer B.Cu) (net 10))
-  (segment (start 142.24 60.282) (end 144.188 62.23) (width 0.762) (layer B.Cu) (net 10))
-  (segment (start 142.24 58.42) (end 142.24 60.282) (width 0.762) (layer B.Cu) (net 10))
-  (via (at 146.05 77.47) (size 0.8) (drill 0.4) (layers F.Cu B.Cu) (net 10))
-  (segment (start 146.05 73.66) (end 146.05 77.47) (width 0.762) (layer B.Cu) (net 10))
-  (segment (start 146.05 77.47) (end 149.86 77.47) (width 0.762) (layer F.Cu) (net 10))
-  (segment (start 149.86 77.47) (end 151.13 76.2) (width 0.762) (layer F.Cu) (net 10))
-  (via (at 151.13 62.23) (size 0.8) (drill 0.4) (layers F.Cu B.Cu) (net 10))
-  (segment (start 151.13 76.2) (end 151.13 62.23) (width 0.762) (layer F.Cu) (net 10))
-  (segment (start 151.13 62.23) (end 147.32 62.23) (width 0.762) (layer B.Cu) (net 10))
-  (segment (start 144.188 62.23) (end 147.32 62.23) (width 0.762) (layer B.Cu) (net 10))
-  (segment (start 147.32 62.23) (end 148.59 62.23) (width 0.762) (layer B.Cu) (net 10))
   (segment (start 142.24 50.8) (end 142.24 58.42) (width 0.762) (layer B.Cu) (net 10))
   (segment (start 138.43 46.99) (end 142.24 50.8) (width 0.762) (layer B.Cu) (net 10))
   (segment (start 129.54 50.8) (end 133.35 46.99) (width 0.762) (layer B.Cu) (net 10))
   (segment (start 133.35 46.99) (end 138.43 46.99) (width 0.762) (layer B.Cu) (net 10))
   (segment (start 124.46 50.8) (end 127 50.8) (width 0.762) (layer B.Cu) (net 10))
-  (segment (start 148.59 64.078) (end 148.59 66.04) (width 0.762) (layer B.Cu) (net 11))
-  (segment (start 142.24 63.5) (end 148.012 63.5) (width 0.762) (layer B.Cu) (net 11))
-  (segment (start 139.7 60.96) (end 142.24 63.5) (width 0.762) (layer B.Cu) (net 11))
-  (segment (start 148.012 63.5) (end 148.59 64.078) (width 0.762) (layer B.Cu) (net 11))
-  (segment (start 139.7 58.42) (end 139.7 60.96) (width 0.762) (layer B.Cu) (net 11))
+  (segment (start 142.24 58.42) (end 147.32 58.42) (width 0.762) (layer B.Cu) (net 10))
+  (segment (start 148.59 59.69) (end 148.59 66.04) (width 0.762) (layer B.Cu) (net 10))
+  (segment (start 147.32 58.42) (end 148.59 59.69) (width 0.762) (layer B.Cu) (net 10))
   (segment (start 135.89 58.42) (end 135.89 50.8) (width 0.762) (layer B.Cu) (net 11))
   (segment (start 135.89 58.42) (end 132.08 58.42) (width 0.762) (layer B.Cu) (net 11))
   (segment (start 139.7 58.42) (end 135.89 58.42) (width 0.762) (layer B.Cu) (net 11))
+  (via (at 135.89 63.5) (size 0.8) (drill 0.4) (layers F.Cu B.Cu) (net 11))
+  (segment (start 135.89 58.42) (end 135.89 63.5) (width 0.762) (layer B.Cu) (net 11))
+  (segment (start 135.89 63.5) (end 135.89 69.85) (width 0.762) (layer F.Cu) (net 11))
+  (via (at 135.89 69.85) (size 0.8) (drill 0.4) (layers F.Cu B.Cu) (net 11))
+  (segment (start 135.89 69.85) (end 144.78 69.85) (width 0.762) (layer B.Cu) (net 11))
+  (segment (start 144.78 69.85) (end 146.05 71.12) (width 0.762) (layer B.Cu) (net 11))
+  (segment (start 146.05 71.12) (end 146.05 73.66) (width 0.762) (layer B.Cu) (net 11))
   (segment (start 116.84 60.96) (end 127 60.96) (width 0.762) (layer B.Cu) (net 12))
   (segment (start 127 60.96) (end 127 58.42) (width 0.762) (layer B.Cu) (net 12))
   (segment (start 144.78 66.04) (end 146.05 66.04) (width 0.762) (layer B.Cu) (net 16))
diff --git a/PCB/galvanostat.pro b/PCB/galvanostat.pro
index ef261ab..20b5d20 100644
--- a/PCB/galvanostat.pro
+++ b/PCB/galvanostat.pro
@@ -1,4 +1,4 @@
-update=Tue 13 Nov 2018 06:48:03 PM CST
+update=Wed 14 Nov 2018 08:48:38 AM CST
 version=1
 last_client=kicad
 [general]
@@ -33,7 +33,7 @@ BoardOutlineThickness=0.15
 ModuleOutlineThickness=0.15
 [schematic_editor]
 version=1
-PageLayoutDescrFile=/home/blaise/shops/Elec/Projects/2018-11-01 Oliver Williams - simple low-current galvanostat/PCB/blaise.kicad_wks
+PageLayoutDescrFile=blaise.kicad_wks
 PlotDirectoryName=
 SubpartIdSeparator=0
 SubpartFirstId=65
diff --git a/PCB/galvanostat.sch b/PCB/galvanostat.sch
index 8f3803b..e1b3727 100644
--- a/PCB/galvanostat.sch
+++ b/PCB/galvanostat.sch
@@ -2,11 +2,11 @@ EESchema Schematic File Version 4
 LIBS:galvanostat-cache
 EELAYER 26 0
 EELAYER END
-$Descr A4 11693 8268
+$Descr USLetter 11000 8500
 encoding utf-8
 Sheet 1 1
 Title "Dual Galvanostat"
-Date "2018-11-09"
+Date "2018-11-14"
 Rev "B"
 Comp ""
 Comment1 ""
@@ -658,7 +658,7 @@ L Device:R_US R2
 U 1 1 5BE9C7BD
 P 5100 3850
 F 0 "R2" H 5032 3804 50  0000 R CNN
-F 1 "R_US" H 5032 3895 50  0000 R CNN
+F 1 "240Ω" H 5032 3895 50  0000 R CNN
 F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5140 3840 50  0001 C CNN
 F 3 "~" H 5100 3850 50  0001 C CNN
 	1    5100 3850
@@ -669,7 +669,7 @@ L Device:R_US R3
 U 1 1 5BE9C817
 P 5100 4150
 F 0 "R3" H 5168 4196 50  0000 L CNN
-F 1 "R_US" H 5168 4105 50  0000 L CNN
+F 1 "240Ω" H 5168 4105 50  0000 L CNN
 F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5140 4140 50  0001 C CNN
 F 3 "~" H 5100 4150 50  0001 C CNN
 	1    5100 4150
diff --git a/PCB/pcb.pdf b/PCB/pcb.pdf
index ee4d004..1e150af 100644
--- a/PCB/pcb.pdf
+++ b/PCB/pcb.pdf
diff --git a/PCB/schematic.pdf b/PCB/schematic.pdf
new file mode 100644
index 0000000..12ac9b1
--- /dev/null
+++ b/PCB/schematic.pdf