Jdy40 Arduino Example Best _hot_ May 2026

void loop() { if (bluetooth.available() > 0) { char data = bluetooth.read(); Serial.print("Received: "); Serial.println(data); }

The JDY-40 is a Bluetooth 4.0 module based on the CSR8510 chipset. It supports a wide range of Bluetooth protocols, including SPP (Serial Port Protocol), HID (Human Interface Device), and more. The module operates at a frequency of 2.4 GHz and has a maximum data transfer rate of 1 Mbps. jdy40 arduino example best