Jdy40 Arduino Example Best ((free)) Site

The JDY-40 defaults to 9600 baud. Make sure both modules are on the same channel (default is channel 1).

Always double-check your wiring. While the JDY-40 is forgiving, 5V logic can damage it over time. Use a level shifter for production projects. jdy40 arduino example best

: Supports transparent serial transmission (default) and a remote control mode where the 8 GPIO pins can be used without an external microcontroller. Arduino Connection Example The JDY-40 defaults to 9600 baud