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J3 Wiring
Connecting Project via UART
Pin 1 5V
Pin 2 5V
Pin 3 GND
Pin 4 GND
Pin 7 COMMU RXD
Pin 8 COMMU TXD
Projects UART
3.3V Levels
MK-480272C
Datasheet 1.0 - 1109
J3
Connecting Project via RS232
Pin 1 5V
Pin 2 5V
Pin 3 GND
Pin 4 GND
Pin 13 RS232 TXD
PIN 18 RS232 RXD
Projects RS232 to
COMMU RS232
J3