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Figure 5. Solder wires on UART RX pin and UART TX pin
Attention should also be paid to these changes if the Node is embedded on another
master device.
Assuming that all the changes have been made, the connection of the module with TTL
(Figure 5) will follow, and it will represent the connection of the module to the computer.
1 VDD
2 GND
3 UART RX
4 UART TX
