Jdy40 Arduino Example Best [best] -

Transparent transmission (default) or AT command mode (for configuration). Connection Guide (Arduino Uno/Nano)

This example uses SoftwareSerial so you can keep your hardware Serial port free for the Serial Monitor. The same code can be uploaded to both the transmitter and receiver Arduinos to create a bi-directional "Wireless Serial Monitor". jdy40 arduino example best

JDY-040/JDY-041 module. JDY-040 module Serial Wireless transceiver info. PLEASE NOTE: this module is 3v3 limited - don't apply 5v. Transparent transmission (default) or AT command mode (for