JLCPCB order W2025070409252353

1 files changed, 238 insertions, 0 deletions

diff --git a/hw/expansion/expansion.sch b/hw/expansion/expansion.sch
new file mode 100644
index 0000000..bc01614
--- /dev/null
+++ b/hw/expansion/expansion.sch
@@ -0,0 +1,238 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Connector_Generic:Conn_02x08_Odd_Even J1
+U 1 1 60DA2442
+P 4450 3150
+F 0 "J1" H 4500 3550 50  0000 C CNN
+F 1 "IN" H 4500 2650 50  0000 C CNN
+F 2 "Connector_Molex:Molex_SlimStack_55560-0161_2x08_P0.50mm_Vertical" H 4450 3150 50  0001 C CNN
+F 3 "~" H 4450 3150 50  0001 C CNN
+	1    4450 3150
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0101
+U 1 1 60DA9CCD
+P 4150 3650
+F 0 "#PWR0101" H 4150 3400 50  0001 C CNN
+F 1 "GND" H 4150 3500 50  0000 C CNN
+F 2 "" H 4150 3650 50  0001 C CNN
+F 3 "" H 4150 3650 50  0001 C CNN
+	1    4150 3650
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:PWR_FLAG #FLG0102
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+F 0 "#FLG0102" H 3800 2825 50  0001 C CNN
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+F 2 "" H 3800 2750 50  0001 C CNN
+F 3 "~" H 3800 2750 50  0001 C CNN
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+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR0104
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+F 0 "#PWR0104" H 4150 2600 50  0001 C CNN
+F 1 "+3.3V" H 4150 2900 50  0000 C CNN
+F 2 "" H 4150 2750 50  0001 C CNN
+F 3 "" H 4150 2750 50  0001 C CNN
+	1    4150 2750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+	4150 2950 4150 2850
+Connection ~ 4150 2850
+Wire Wire Line
+	3800 2750 3800 2850
+Wire Wire Line
+	3800 2850 4150 2850
+Text Label 5250 3350 2    50   ~ 0
+I2C_SDA
+Text Label 3750 3150 0    50   ~ 0
+SPI_MOSI
+Text Label 3750 3250 0    50   ~ 0
+SPI_MISO
+Text Label 3750 3350 0    50   ~ 0
+SPI_SCK
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+Wire Wire Line
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+Wire Wire Line
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+$Comp
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+Text Label 5250 3450 2    50   ~ 0
+I2C_SCL
+Text Label 5250 3250 2    50   ~ 0
+GPIO2
+Text Label 5250 3150 2    50   ~ 0
+GPIO3
+$Comp
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+F 3 "" H 4850 2750 50  0001 C CNN
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+	1    0    0    -1  
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+Connection ~ 4850 2850
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+F 3 "~" H 5200 2750 50  0001 C CNN
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+F 3 "~" H 4500 4500 50  0001 C CNN
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+$Comp
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+F 3 "~" H 4500 4700 50  0001 C CNN
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+$Comp
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+F 2 "" H 4200 4800 50  0001 C CNN
+F 3 "" H 4200 4800 50  0001 C CNN
+	1    4200 4800
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 4200 4700
+Wire Wire Line
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+Text Label 3750 3450 0    50   ~ 0
+UART_TX
+Text Label 3750 3550 0    50   ~ 0
+UART_RX
+Wire Wire Line
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+NoConn ~ 3750 3450
+NoConn ~ 3750 3350
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+NoConn ~ 5250 3250
+NoConn ~ 5250 3350
+NoConn ~ 5250 3450
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Text Label 5250 3550 2    50   ~ 0
+GPIO0
+Wire Wire Line
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+Text Label 5250 3050 2    50   ~ 0
+INT
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+NoConn ~ 5250 3550
+$Comp
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+F 2 "" H 3850 3650 50  0001 C CNN
+F 3 "~" H 3850 3650 50  0001 C CNN
+	1    3850 3650
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	3850 3600 3850 3650
+$EndSCHEMATC