nix and I2C on fauxie_module

.gitignore

@@ -1,2 +1,3 @@
 *-bak
+*.bak
 *-rescue.*

fauxie_clock/fp-info-cache

@@ -0,0 +1 @@
+0

fauxie_module/digits.sch

@@ -1,6 +1,6 @@
 EESchema Schematic File Version 4
 LIBS:fauxie_module-cache
-EELAYER 30 0
+EELAYER 29 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8

fauxie_module/fauxie_module-cache.lib

@@ -1,6 +1,32 @@
 EESchema-LIBRARY Version 2.4
 #encoding utf-8
 #
+# Connector_Conn_01x04_Male
+#
+DEF Connector_Conn_01x04_Male J 0 40 Y N 1 F N
+F0 "J" 0 200 50 H V C CNN
+F1 "Connector_Conn_01x04_Male" 0 -300 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+S 34 -195 0 -205 1 1 6 F
+S 34 -95 0 -105 1 1 6 F
+S 34 5 0 -5 1 1 6 F
+S 34 105 0 95 1 1 6 F
+P 2 1 1 6 50 -200 34 -200 N
+P 2 1 1 6 50 -100 34 -100 N
+P 2 1 1 6 50 0 34 0 N
+P 2 1 1 6 50 100 34 100 N
+X Pin_1 1 200 100 150 L 50 50 1 1 P
+X Pin_2 2 200 0 150 L 50 50 1 1 P
+X Pin_3 3 200 -100 150 L 50 50 1 1 P
+X Pin_4 4 200 -200 150 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Connector_Conn_01x05_Male
 #
 DEF Connector_Conn_01x05_Male J 0 40 Y N 1 F N

fauxie_module/fauxie_module.sch

@@ -1,6 +1,6 @@
 EESchema Schematic File Version 4
 LIBS:fauxie_module-cache
-EELAYER 30 0
+EELAYER 29 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
@@ -531,4 +531,57 @@ Wire Wire Line
 	10700 1650 10800 1650
 Wire Wire Line
 	10700 1750 10800 1750
+Text Label 6650 2200 0    50   ~ 0
+SCL
+Wire Wire Line
+	6650 2200 6550 2200
+Text Label 6650 2800 0    50   ~ 0
+SDA
+Wire Wire Line
+	6650 2800 6550 2800
+$Comp
+L Connector:Conn_01x04_Male J?
+U 1 1 5DCDD07F
+P 11000 2300
+F 0 "J?" H 10972 2274 50  0000 R CNN
+F 1 "Conn_01x04_Male" H 10972 2183 50  0000 R CNN
+F 2 "" H 11000 2300 50  0001 C CNN
+F 3 "~" H 11000 2300 50  0001 C CNN
+	1    11000 2300
+	-1   0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5DCDF414
+P 10700 2200
+F 0 "#PWR?" H 10700 1950 50  0001 C CNN
+F 1 "GND" V 10705 2072 50  0000 R CNN
+F 2 "" H 10700 2200 50  0001 C CNN
+F 3 "" H 10700 2200 50  0001 C CNN
+	1    10700 2200
+	0    1    1    0   
+$EndComp
+$Comp
+L power:+5V #PWR?
+U 1 1 5DCDF7FD
+P 10700 2500
+F 0 "#PWR?" H 10700 2350 50  0001 C CNN
+F 1 "+5V" V 10715 2628 50  0000 L CNN
+F 2 "" H 10700 2500 50  0001 C CNN
+F 3 "" H 10700 2500 50  0001 C CNN
+	1    10700 2500
+	0    -1   -1   0   
+$EndComp
+Text Label 10700 2400 2    50   ~ 0
+SCL
+Text Label 10700 2300 2    50   ~ 0
+SDA
+Wire Wire Line
+	10700 2200 10800 2200
+Wire Wire Line
+	10700 2300 10800 2300
+Wire Wire Line
+	10800 2400 10700 2400
+Wire Wire Line
+	10700 2500 10800 2500
 $EndSCHEMATC