The JDY-40 is a 2.4GHz wireless serial module often used as a "wireless serial cable" for Arduinos. It operates at 3.3V and supports a range of up to 120–150 meters. 1. Circuit Connections
Operating Voltage: 2.2V to 3.6V (Note: 5V may damage the module; use a voltage regulator if needed). jdy40 arduino example best
To set the address for a private network (avoid interference):
AT+ID0001 (Transmitter) and AT+ID0001 (Receiver). Only modules with the same ID communicate. The JDY-40 is a 2
The JDY-40 is a 2.4GHz wireless transceiver designed for transparent serial transmission. Its key features include: Circuit Connections Operating Voltage: 2
JDY-040/JDY-041 module. JDY-040 module Serial Wireless transceiver info. PLEASE NOTE: this module is 3v3 limited - don't apply 5v.
. It functions primarily as a "wireless cable," making it an excellent choice for beginners who want to replace physical UART wires with a radio link. Arduino.ru Key Technical Specifications Frequency Range: 2400 - 2483.5 MHz. Operating Voltage: