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LORA_RST
SWDIO
CIPO
RST
EINK_CS
TX_LED
SWCLK
CIPO
SDA
USB_D-
CLK
RX_LED
SCL
USB_D+
COPI
TX_LED
GND
EINK_BUSY
R9
Resistance
10kΩ
D3
D5
+3V3
U6
S2

Outdoor LoRa-GPS tracker with E-Ink display