display: Schematics.

display/hardware/display-cache.lib

 EESchema-LIBRARY Version 2.4
 #encoding utf-8
 #
+# Connector_Generic_Conn_02x05_Odd_Even
+#
+DEF Connector_Generic_Conn_02x05_Odd_Even J 0 40 Y N 1 F N
+F0 "J" 50 300 50 H V C CNN
+F1 "Connector_Generic_Conn_02x05_Odd_Even" 50 -300 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_2x??_*
+$ENDFPLIST
+DRAW
+S -50 -195 0 -205 1 1 6 N
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 205 0 195 1 1 6 N
+S -50 250 150 -250 1 1 10 f
+S 150 -195 100 -205 1 1 6 N
+S 150 -95 100 -105 1 1 6 N
+S 150 5 100 -5 1 1 6 N
+S 150 105 100 95 1 1 6 N
+S 150 205 100 195 1 1 6 N
+X Pin_1 1 -200 200 150 R 50 50 1 1 P
+X Pin_10 10 300 -200 150 L 50 50 1 1 P
+X Pin_2 2 300 200 150 L 50 50 1 1 P
+X Pin_3 3 -200 100 150 R 50 50 1 1 P
+X Pin_4 4 300 100 150 L 50 50 1 1 P
+X Pin_5 5 -200 0 150 R 50 50 1 1 P
+X Pin_6 6 300 0 150 L 50 50 1 1 P
+X Pin_7 7 -200 -100 150 R 50 50 1 1 P
+X Pin_8 8 300 -100 150 L 50 50 1 1 P
+X Pin_9 9 -200 -200 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Device_Battery
 #
 DEF Device_Battery BT 0 0 N N 1 F N
 ENDDRAW
 ENDDEF
 #
-# Device_Buzzer
-#
-DEF Device_Buzzer BZ 0 1 Y N 1 F N
-F0 "BZ" 150 50 50 H V L CNN
-F1 "Device_Buzzer" 150 -50 50 H V L CNN
-F2 "" -25 100 50 V I C CNN
-F3 "" -25 100 50 V I C CNN
-$FPLIST
- *Buzzer*
-$ENDFPLIST
-DRAW
-A 0 0 125 -899 899 0 1 0 N 0 -125 0 125
-P 2 0 1 0 -65 75 -45 75 N
-P 2 0 1 0 -55 85 -55 65 N
-P 2 0 1 0 0 125 0 -125 N
-X - 1 -100 100 100 R 50 50 1 1 P
-X + 2 -100 -100 100 R 50 50 1 1 P
-ENDDRAW
-ENDDEF
-#
 # Device_C
 #
 DEF Device_C C 0 10 N Y 1 F N
 ENDDRAW
 ENDDEF
 #
-# Device_LED
-#
-DEF Device_LED D 0 40 N N 1 F N
-F0 "D" 0 100 50 H V C CNN
-F1 "Device_LED" 0 -100 50 H V C CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
-$FPLIST
- LED*
- LED_SMD:*
- LED_THT:*
-$ENDFPLIST
-DRAW
-P 2 0 1 8 -50 -50 -50 50 N
-P 2 0 1 0 -50 0 50 0 N
-P 4 0 1 8 50 -50 50 50 -50 0 50 -50 N
-P 5 0 1 0 -120 -30 -180 -90 -150 -90 -180 -90 -180 -60 N
-P 5 0 1 0 -70 -30 -130 -90 -100 -90 -130 -90 -130 -60 N
-X K 1 -150 0 100 R 50 50 1 1 P
-X A 2 150 0 100 L 50 50 1 1 P
-ENDDRAW
-ENDDEF
-#
 # Device_Q_NMOS_GSD
 #
 DEF Device_Q_NMOS_GSD Q 0 0 Y N 1 F N
 ENDDRAW
 ENDDEF
 #
-# Device_R_POT_TRIM
+# Device_Speaker_Crystal
 #
-DEF Device_R_POT_TRIM RV 0 40 Y N 1 F N
-F0 "RV" -175 0 50 V V C CNN
-F1 "Device_R_POT_TRIM" -100 0 50 V V C CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
-$FPLIST
- Potentiometer*
-$ENDFPLIST
+DEF Device_Speaker_Crystal LS 0 0 Y N 1 F N
+F0 "LS" 25 225 50 H V R CNN
+F1 "Device_Speaker_Crystal" 25 150 50 H V R CNN
+F2 "" -35 -50 50 H I C CNN
+F3 "" -35 -50 50 H I C CNN
+ALIAS Speaker_Ultrasound
 DRAW
-S 40 100 -40 -100 0 1 10 N
-P 2 0 1 0 60 30 60 -30 N
-P 2 0 1 0 100 0 60 0 N
-X 1 1 0 150 50 D 50 50 1 1 P
-X 2 2 150 0 50 L 50 50 1 1 P
-X 3 3 0 -150 50 U 50 50 1 1 P
+S -100 50 45 -150 0 0 10 N
+S -80 -25 25 -75 0 0 10 N
+P 2 0 0 0 -65 -90 15 -90 N
+P 2 0 0 0 -65 -10 15 -10 N
+P 2 0 0 0 -25 -90 -25 -120 N
+P 2 0 0 0 -25 -10 -25 20 N
+P 4 0 0 10 45 50 145 150 145 -250 45 -150 N
+X 1 1 -200 0 100 R 50 50 1 1 I
+X 2 2 -200 -100 100 R 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
 ENDDRAW
 ENDDEF
 #
+# LED_ASMB-MTB1-0A3A2
+#
+DEF LED_ASMB-MTB1-0A3A2 D 0 0 Y N 1 F N
+F0 "D" 0 500 50 H V C CNN
+F1 "LED_ASMB-MTB1-0A3A2" 50 -450 50 H V C CNN
+F2 "LED_SMD:LED_Avago_PLCC4_3.2x2.8mm_CW" 0 600 50 H I C CNN
+F3 "" 0 -450 50 H I C CNN
+$FPLIST
+ *Avago*PLCC4*3.2x2.8mm*
+$ENDFPLIST
+DRAW
+C 80 0 10 0 1 0 F
+T 0 -75 -250 50 0 0 0 B Normal 0 C C
+T 0 -75 -50 50 0 0 0 G Normal 0 C C
+T 0 -75 150 50 0 0 0 R Normal 0 C C
+S 50 250 50 250 0 1 0 N
+S 100 -350 -100 400 0 1 10 f
+P 2 0 1 0 -100 -200 50 -200 N
+P 2 0 1 8 -50 -150 -50 -250 N
+P 2 0 1 8 -50 50 -50 -50 N
+P 2 0 1 8 -50 250 -50 150 N
+P 2 0 1 0 50 200 -100 200 N
+P 2 0 1 0 100 0 -100 0 N
+P 4 0 1 0 50 -200 80 -200 80 200 50 200 N
+P 4 0 1 8 50 -150 50 -250 -50 -200 50 -150 N
+P 4 0 1 8 50 50 50 -50 -50 0 50 50 N
+P 4 0 1 8 50 250 50 150 -50 200 50 250 N
+P 5 0 1 0 -40 -150 20 -90 -10 -90 20 -90 20 -120 N
+P 5 0 1 0 -40 50 20 110 -10 110 20 110 20 80 N
+P 5 0 1 0 -40 250 20 310 -10 310 20 310 20 280 N
+P 5 0 1 0 0 -150 60 -90 30 -90 60 -90 60 -120 N
+P 5 0 1 0 0 50 60 110 30 110 60 110 60 80 N
+P 5 0 1 0 0 250 60 310 30 310 60 310 60 280 N
+X RK 1 -200 200 100 R 50 50 1 1 P
+X GK 2 -200 0 100 R 50 50 1 1 P
+X BK 3 -200 -200 100 R 50 50 1 1 P
+X A 4 200 0 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # MCU_NXP_Kinetis_MKL25Z128VLH4
 #
 DEF MCU_NXP_Kinetis_MKL25Z128VLH4 U 0 40 Y Y 1 F N
 ENDDRAW
 ENDDEF
 #
-# Switch_SW_Push_SPDT
+# Transistor_BJT_BC817
 #
-DEF Switch_SW_Push_SPDT SW 0 0 Y N 1 F N
-F0 "SW" 0 170 50 H V C CNN
-F1 "Switch_SW_Push_SPDT" 0 -200 50 H V C CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
+DEF Transistor_BJT_BC817 Q 0 0 Y N 1 F N
+F0 "Q" 200 75 50 H V L CNN
+F1 "Transistor_BJT_BC817" 200 0 50 H V L CNN
+F2 "Package_TO_SOT_SMD:SOT-23" 200 -75 50 H I L CIN
+F3 "" 0 0 50 H I L CNN
+ALIAS BC818 BC847 BC848 BC849 BC850 MMBT3904 MMBT5550L MMBT5551L
+$FPLIST
+ SOT?23*
+$ENDFPLIST
 DRAW
-C -80 0 20 0 0 0 N
-C 80 -100 20 0 0 0 N
-C 80 100 20 0 1 0 N
-P 2 0 0 0 0 40 0 120 N
-P 2 0 1 0 -60 10 100 80 N
-X A 1 200 100 100 L 50 50 1 1 P
-X B 2 -200 0 100 R 50 50 1 1 P
-X C 3 200 -100 100 L 50 50 1 1 P
+C 50 0 111 0 1 10 N
+P 2 0 1 0 25 25 100 100 N
+P 3 0 1 0 25 -25 100 -100 100 -100 N
+P 3 0 1 20 25 75 25 -75 25 -75 N
+P 5 0 1 0 50 -70 70 -50 90 -90 50 -70 50 -70 F
+X B 1 -200 0 225 R 50 50 1 1 I
+X E 2 100 -200 100 U 50 50 1 1 P
+X C 3 100 200 100 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Waveshare_4.2_EInk_Module_Waveshare_4.2_EInk_Module
+#
+DEF Waveshare_4.2_EInk_Module_Waveshare_4.2_EInk_Module U 0 40 Y Y 1 F N
+F0 "U" -300 250 50 H V C CNN
+F1 "Waveshare_4.2_EInk_Module_Waveshare_4.2_EInk_Module" 100 -250 50 H V L CNN
+F2 "" -300 250 50 H I C CNN
+F3 "" -300 250 50 H I C CNN
+DRAW
+S -350 200 350 -200 0 1 0 f
+X VCC 1 0 300 100 D 50 50 1 1 W
+X GND 2 0 -300 100 U 50 50 1 1 W
+X DIN 3 450 100 100 L 50 50 1 1 I
+X CLK 4 450 0 100 L 50 50 1 1 I
+X ~CS 5 450 -100 100 L 50 50 1 1 I
+X D/~C 6 -450 0 100 R 50 50 1 1 I
+X ~RST 7 -450 100 100 R 50 50 1 1 I
+X ~BUSY 8 -450 -100 100 R 50 50 1 1 O
 ENDDRAW
 ENDDEF
 #
 ENDDRAW
 ENDDEF
 #
+# power_+3V3
+#
+DEF power_+3V3 #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "power_+3V3" 0 140 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 2 0 1 0 -30 50 0 100 N
+P 2 0 1 0 0 0 0 100 N
+P 2 0 1 0 0 100 30 50 N
+X +3V3 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
 # power_+5V
 #
 DEF power_+5V #PWR 0 0 Y Y 1 F P
 ENDDRAW
 ENDDEF
 #
+# power_PWR_FLAG
+#
+DEF power_PWR_FLAG #FLG 0 0 N N 1 F P
+F0 "#FLG" 0 75 50 H I C CNN
+F1 "power_PWR_FLAG" 0 150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 50 -40 75 0 100 40 75 0 50 N
+X pwr 1 0 0 0 U 50 50 0 0 w
+ENDDRAW
+ENDDEF
+#
 #End Library

display/hardware/input.sch

+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 3 4
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Device:R R?
+U 1 1 5E94AE1D
+P 10000 4700
+AR Path="/5E94AE1D" Ref="R?"  Part="1" 
+AR Path="/5E8F0014/5E94AE1D" Ref="R?"  Part="1" 
+AR Path="/5E937ACB/5E94AE1D" Ref="R32"  Part="1" 
+F 0 "R32" H 10070 4746 50  0000 L CNN
+F 1 "22K" H 10070 4655 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric" V 9930 4700 50  0001 C CNN
+F 3 "~" H 10000 4700 50  0001 C CNN
+	1    10000 4700
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR?
+U 1 1 5E94AE23
+P 10000 3850
+AR Path="/5E94AE23" Ref="#PWR?"  Part="1" 
+AR Path="/5E8F0014/5E94AE23" Ref="#PWR?"  Part="1" 
+AR Path="/5E937ACB/5E94AE23" Ref="#PWR0121"  Part="1" 
+F 0 "#PWR0121" H 10000 3700 50  0001 C CNN
+F 1 "+3.3V" H 10015 4023 50  0000 C CNN
+F 2 "" H 10000 3850 50  0001 C CNN
+F 3 "" H 10000 3850 50  0001 C CNN
+	1    10000 3850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10000 4350 10000 4450
+Connection ~ 10000 4450
+Wire Wire Line
+	10000 4450 10000 4550
+$Comp
+L power:GND #PWR?
+U 1 1 5E94AE2C
+P 10000 5450
+AR Path="/5E94AE2C" Ref="#PWR?"  Part="1" 
+AR Path="/5E8F0014/5E94AE2C" Ref="#PWR?"  Part="1" 
+AR Path="/5E937ACB/5E94AE2C" Ref="#PWR0122"  Part="1" 
+F 0 "#PWR0122" H 10000 5200 50  0001 C CNN
+F 1 "GND" H 10005 5277 50  0000 C CNN
+F 2 "" H 10000 5450 50  0001 C CNN
+F 3 "" H 10000 5450 50  0001 C CNN
+	1    10000 5450
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10000 4950 10000 4850
+Wire Wire Line
+	10000 4450 9500 4450
+Text Notes 9800 3550 0    50   ~ 0
+ambient light sensor
+Text Notes 9350 4300 0    50   ~ 0
+1V threshold\nfor 50 lux
+Wire Notes Line
+	10700 3450 9100 3450
+Wire Notes Line
+	9100 3450 9100 5950
+Wire Notes Line
+	9100 5950 10700 5950
+Wire Notes Line
+	10700 5950 10700 3450
+$Comp
+L Device:Q_NMOS_GSD Q?
+U 1 1 5E94AE3D
+P 9900 5150
+AR Path="/5E94AE3D" Ref="Q?"  Part="1" 
+AR Path="/5E8F0014/5E94AE3D" Ref="Q?"  Part="1" 
+AR Path="/5E937ACB/5E94AE3D" Ref="Q6"  Part="1" 
+F 0 "Q6" H 10106 5196 50  0000 L CNN
+F 1 "IRFML8244" H 10106 5105 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23_Handsoldering" H 10100 5250 50  0001 C CNN
+F 3 "~" H 9900 5150 50  0001 C CNN
+F 4 "IRFML8244TRPBF" H 9900 5150 50  0001 C CNN "Mfg. ID"
+F 5 "IRFML8244TRPBFCT-ND" H 9900 5150 50  0001 C CNN "Digikey"
+	1    9900 5150
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R?
+U 1 1 5E94AE44
+P 9600 5400
+AR Path="/5E94AE44" Ref="R?"  Part="1" 
+AR Path="/5E8F0014/5E94AE44" Ref="R?"  Part="1" 
+AR Path="/5E937ACB/5E94AE44" Ref="R31"  Part="1" 
+F 0 "R31" H 9670 5446 50  0000 L CNN
+F 1 "1M" H 9670 5355 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric" V 9530 5400 50  0001 C CNN
+F 3 "~" H 9600 5400 50  0001 C CNN
+	1    9600 5400
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5E94AE4A
+P 9600 5650
+AR Path="/5E94AE4A" Ref="#PWR?"  Part="1" 
+AR Path="/5E8F0014/5E94AE4A" Ref="#PWR?"  Part="1" 
+AR Path="/5E937ACB/5E94AE4A" Ref="#PWR0123"  Part="1" 
+F 0 "#PWR0123" H 9600 5400 50  0001 C CNN
+F 1 "GND" H 9605 5477 50  0000 C CNN
+F 2 "" H 9600 5650 50  0001 C CNN
+F 3 "" H 9600 5650 50  0001 C CNN
+	1    9600 5650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10000 5350 10000 5450
+Wire Wire Line
+	9600 5650 9600 5550
+Wire Wire Line
+	9700 5150 9600 5150
+Wire Wire Line
+	9600 5250 9600 5150
+Connection ~ 9600 5150
+Wire Wire Line
+	9600 5150 9500 5150
+$Comp
+L Sensor_Optical:KPS-3227 Q?
+U 1 1 5E94AE58
+P 10000 4150
+AR Path="/5E94AE58" Ref="Q?"  Part="1" 
+AR Path="/5E8F0014/5E94AE58" Ref="Q?"  Part="1" 
+AR Path="/5E937ACB/5E94AE58" Ref="Q7"  Part="1" 
+F 0 "Q7" H 10090 4196 50  0000 L CNN
+F 1 "KPS-3227" H 10090 4105 50  0000 L CNN
+F 2 "LED_SMD:LED_RGB_1210" H 10000 4300 50  0001 C CNN
+F 3 "http://www.kingbright.com/attachments/file/psearch/000/00/watermark00/KPS-3227SP1C(Ver.9).pdf" H 10000 4300 50  0001 C CNN
+F 4 "APS3227SP1C-P22" H 10000 4150 50  0001 C CNN "Mfg. ID"
+F 5 "754-2214-1-ND" H 10000 4150 50  0001 C CNN "Digikey"
+	1    10000 4150
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10000 3850 10000 3950
+Text HLabel 9500 5150 0    50   Input ~ 0
+EN_ALS
+Text HLabel 9500 4450 0    50   Output ~ 0
+ALS
+$Comp
+L power:GND #PWR?
+U 1 1 5E978112
+P 9600 2700
+AR Path="/5E978112" Ref="#PWR?"  Part="1" 
+AR Path="/5E937ACB/5E978112" Ref="#PWR0124"  Part="1" 
+F 0 "#PWR0124" H 9600 2450 50  0001 C CNN
+F 1 "GND" H 9605 2527 50  0000 C CNN
+F 2 "" H 9600 2700 50  0001 C CNN
+F 3 "" H 9600 2700 50  0001 C CNN
+	1    9600 2700
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR?
+U 1 1 5E978118
+P 9600 1100
+AR Path="/5E978118" Ref="#PWR?"  Part="1" 
+AR Path="/5E937ACB/5E978118" Ref="#PWR0125"  Part="1" 
+F 0 "#PWR0125" H 9600 950 50  0001 C CNN
+F 1 "+3.3V" H 9615 1273 50  0000 C CNN
+F 2 "" H 9600 1100 50  0001 C CNN
+F 3 "" H 9600 1100 50  0001 C CNN
+	1    9600 1100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9600 1100 9600 1200
+Wire Wire Line
+	9600 2600 9600 2700
+$Comp
+L Device:C C?
+U 1 1 5E978120
+P 10200 1450
+AR Path="/5E978120" Ref="C?"  Part="1" 
+AR Path="/5E937ACB/5E978120" Ref="C1"  Part="1" 
+F 0 "C1" H 10315 1496 50  0000 L CNN
+F 1 "C" H 10315 1405 50  0000 L CNN
+F 2 "" H 10238 1300 50  0001 C CNN
+F 3 "~" H 10200 1450 50  0001 C CNN
+	1    10200 1450
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5E978126
+P 10200 1700
+AR Path="/5E978126" Ref="#PWR?"  Part="1" 
+AR Path="/5E937ACB/5E978126" Ref="#PWR0126"  Part="1" 
+F 0 "#PWR0126" H 10200 1450 50  0001 C CNN
+F 1 "GND" H 10205 1527 50  0000 C CNN
+F 2 "" H 10200 1700 50  0001 C CNN
+F 3 "" H 10200 1700 50  0001 C CNN
+	1    10200 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10200 1300 10200 1200
+Wire Wire Line
+	10200 1200 9600 1200
+Connection ~ 9600 1200
+Wire Wire Line
+	9600 1200 9600 1400
+Wire Wire Line
+	10200 1700 10200 1600
+$Comp
+L GY-B11_EP_280:GY-B11_EP_280 U?
+U 1 1 5E978131
+P 9600 2000
+AR Path="/5E978131" Ref="U?"  Part="1" 
+AR Path="/5E937ACB/5E978131" Ref="U7"  Part="1" 
+F 0 "U7" H 9270 2046 50  0000 R CNN
+F 1 "GY-B11_EP_280" H 9270 1955 50  0000 R CNN
+F 2 "footprints:GY-B11_EP_280_SMD" H 11100 1550 50  0001 C CNN
+F 3 "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME280-DS002.pdf" H 9500 1800 50  0001 C CNN
+	1    9600 2000
+	-1   0    0    -1  
+$EndComp
+Text Notes 9400 800  0    50   ~ 0
+temperature/humidity/pressure
+Text HLabel 8600 1700 0    50   Output ~ 0
+MISO
+Text HLabel 8600 1900 0    50   Input ~ 0
+SCK
+Text HLabel 8600 2100 0    50   Input ~ 0
+MOSI
+Text HLabel 8600 2300 0    50   Input ~ 0
+BME_~CS
+Wire Wire Line
+	8600 1900 9100 1900
+Wire Wire Line
+	9100 2100 8600 2100
+Wire Wire Line
+	8600 2300 9100 2300
+Wire Notes Line
+	10650 850  8200 850 
+Wire Notes Line
+	8200 850  8200 3150
+Wire Notes Line
+	8200 3150 10650 3150
+Wire Notes Line
+	10650 3150 10650 850 
+$Comp
+L Switch:SW_Push SW?
+U 1 1 5EB8F0B7
+P 1700 3500
+AR Path="/5EB8F0B7" Ref="SW?"  Part="1" 
+AR Path="/5E937ACB/5EB8F0B7" Ref="SW3"  Part="1" 
+F 0 "SW3" H 1700 3785 50  0000 C CNN
+F 1 "L1" H 1700 3694 50  0000 C CNN
+F 2 "Button_Switch_SMD:SW_SPST_EVQP0" H 1700 3700 50  0001 C CNN
+F 3 "" H 1700 3700 50  0001 C CNN
+	1    1700 3500
+	1    0    0    -1  
+$EndComp
+$Comp
+L Switch:SW_Push SW?
+U 1 1 5EB8F0BD
+P 1700 3900
+AR Path="/5EB8F0BD" Ref="SW?"  Part="1" 
+AR Path="/5E937ACB/5EB8F0BD" Ref="SW4"  Part="1" 
+F 0 "SW4" H 1700 4185 50  0000 C CNN
+F 1 "L2" H 1700 4094 50  0000 C CNN
+F 2 "Button_Switch_SMD:SW_SPST_EVQP0" H 1700 4100 50  0001 C CNN
+F 3 "" H 1700 4100 50  0001 C CNN
+	1    1700 3900
+	1    0    0    -1  
+$EndComp
+$Comp
+L Switch:SW_Push SW?
+U 1 1 5EB8F0C3
+P 1700 4300
+AR Path="/5EB8F0C3" Ref="SW?"  Part="1" 
+AR Path="/5E937ACB/5EB8F0C3" Ref="SW5"  Part="1" 
+F 0 "SW5" H 1700 4585 50  0000 C CNN
+F 1 "L3" H 1700 4494 50  0000 C CNN
+F 2 "Button_Switch_SMD:SW_SPST_EVQP0" H 1700 4500 50  0001 C CNN
+F 3 "" H 1700 4500 50  0001 C CNN
+	1    1700 4300
+	1    0    0    -1  
+$EndComp
+$Comp
+L Switch:SW_Push SW?
+U 1 1 5EB8F0C9
+P 1700 4700
+AR Path="/5EB8F0C9" Ref="SW?"  Part="1" 
+AR Path="/5E937ACB/5EB8F0C9" Ref="SW6"  Part="1" 
+F 0 "SW6" H 1700 4985 50  0000 C CNN
+F 1 "L4" H 1700 4894 50  0000 C CNN
+F 2 "Button_Switch_SMD:SW_SPST_EVQP0" H 1700 4900 50  0001 C CNN
+F 3 "" H 1700 4900 50  0001 C CNN
+	1    1700 4700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Switch:SW_Push SW?
+U 1 1 5EB8F0CF
+P 1700 5100
+AR Path="/5EB8F0CF" Ref="SW?"  Part="1" 
+AR Path="/5E937ACB/5EB8F0CF" Ref="SW7"  Part="1" 
+F 0 "SW7" H 1700 5385 50  0000 C CNN
+F 1 "R1" H 1700 5294 50  0000 C CNN
+F 2 "Button_Switch_SMD:SW_SPST_EVQP0" H 1700 5300 50  0001 C CNN
+F 3 "" H 1700 5300 50  0001 C CNN
+	1    1700 5100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Switch:SW_Push SW?
+U 1 1 5EB8F0D5
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display/hardware/output.sch

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display/hardware/power.sch

 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 2 2
+Sheet 4 4
 Title ""
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 Rev ""
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display/hardware/sym-lib-table

 (sym_lib_table
   (lib (name NRF24L01_Breakout_SMD)(type Legacy)(uri ${KIPRJMOD}/../../kicad-library/symbols/NRF24L01_Breakout_SMD.lib)(options "")(descr ""))
   (lib (name GY-B11_EP_280)(type Legacy)(uri ${KIPRJMOD}/../../kicad-library/symbols/GY-B11_EP_280.lib)(options "")(descr ""))
+  (lib (name Waveshare_4.2_EInk_Module)(type Legacy)(uri ${KIPRJMOD}/../../kicad-library/symbols/Waveshare_4.2_EInk_Module.lib)(options "")(descr ""))
 )

kicad-library/symbols/Waveshare_4.2_EInk_Module.dcm

+EESchema-DOCLIB  Version 2.0
+#
+#End Doc Library

kicad-library/symbols/Waveshare_4.2_EInk_Module.lib

+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# Waveshare_4.2_EInk_Module
+#
+DEF Waveshare_4.2_EInk_Module U 0 40 Y Y 1 F N
+F0 "U" -300 250 50 H V C CNN
+F1 "Waveshare_4.2_EInk_Module" 100 -250 50 H V L CNN
+F2 "" -300 250 50 H I C CNN
+F3 "" -300 250 50 H I C CNN
+DRAW
+S -350 200 350 -200 0 1 0 f
+X VCC 1 0 300 100 D 50 50 1 1 W
+X GND 2 0 -300 100 U 50 50 1 1 W
+X DIN 3 450 100 100 L 50 50 1 1 I
+X CLK 4 450 0 100 L 50 50 1 1 I
+X ~CS 5 450 -100 100 L 50 50 1 1 I
+X D/~C 6 -450 0 100 R 50 50 1 1 I
+X ~RST 7 -450 100 100 R 50 50 1 1 I
+X ~BUSY 8 -450 -100 100 R 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+#End Library