Jdy40 Arduino Example Best Direct

| Command | Function | Best Setting | | :--- | :--- | :--- | | AT+DEFAULT | Reset to factory | Use before setup | | AT+RF01 | Set RF channel (0-99) | AT+RF50 (mid-range) | | AT+BAUD7 | 9600 baud | Default | | AT+POW02 | Max power | AT+POW02 (Most stable) | | AT+TP00 | Stop transmitting after 5s (sleep) | AT+TP00 for battery | | AT+FUNC2 | Transparent mode | Default |

has a 14-pin layout, though standard communication only requires a few. jdy40 arduino example best

#include <SoftwareSerial.h>

Quick recommendation

// Detect falling edge (button press) if (buttonState == LOW && lastButtonState == HIGH) jdy40.println("Button Pressed!"); Serial.println("Sent: Button Pressed!"); delay(100); // Debounce | Command | Function | Best Setting |

Auto-pairing. Two modules at the same RF channel and baud rate automatically connect. Serial.println("Sent: Button Pressed!")