Jdy40 Arduino Example Best ((top)) Jun 2026

| Command | Function | Example Response | | :--- | :--- | :--- | | AT | Test connection | OK | | AT+VERSION | Query firmware version | Version=... | | AT+NAMEyourname | Change BT Name | OK (Sets name to "yourname") | | AT+BAUD4 | Set Baud Rate | OK (4 = 9600, 5 = 19200, etc.) |

Up to 120–160 meters in open sight.

: For a comprehensive technical overview, including how to configure the module via AT commands and its 128 radio channel options, refer to the Simple Wireless Serial Communication guide by Ben Emmett jdy40 arduino example best

void setup() Serial.begin(9600); bluetooth.begin(9600); | Command | Function | Example Response |

#include <SoftwareSerial.h>

The JDY-40 is a 2.4GHz wireless transceiver designed for transparent serial transmission. Its key features include: Its key features include: