JDY-31 Bluetooth Module — SunFounder Ultimate Sensor Kit documentation
![JDY-31 Bluetooth Module — SunFounder Ultimate Sensor Kit documentation](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/38_JDY31_1.jpg)
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/14-app_8_shadow.png)
Bluetooth Voice-control Relay — SunFounder Ultimate Sensor Kit
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/16-Y_shadow.png)
Bluetooth Traffic Light — SunFounder Ultimate Sensor Kit documentation
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/04_vibration_module_circuit.png)
Vibration Sensor Module (SW-420) — SunFounder Ultimate Sensor Kit
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/14_gy_bme280_3.3_module_circuit.png)
Temperature, Humidity & Pressure Sensor (BMP280) — SunFounder
All-Inclusive Learning Platform: The Sensor Kit for Arduino Uno R4 Minima is a complete kit with various sensors, communication modules, actuators,
![](https://m.media-amazon.com/images/I/81tFCxy6PmL.jpg)
SunFounder Ultimate Sensor Kit with Original Arduino Uno R4 Minima, Smart IoT & Basic Sensor Projects with Online Tutorials, Suitable for Age 8+
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/18_LM393_module.png)
Infrared Speed Sensor Module — SunFounder Ultimate Sensor Kit
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/11_raindrop_detection_module_circuit.png)
Raindrop Detection Module — SunFounder Ultimate Sensor Kit
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/00-Wiring_Bluetooth.png)
Get Started with Bluetooth — SunFounder Ultimate Sensor Kit
![](https://sunhokey.cn/cdn/shop/products/JDY-31_1024x1024@2x.jpg?v=1594895696)
JDY-31 Bluetooth 3.0 Bluetooth Module Serial Port 2.4G SPP
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/06_button_circuit.png)
Button Module — SunFounder Ultimate Sensor Kit documentation
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/37_esp8266.jpg)
ESP8266 Module — SunFounder Ultimate Sensor Kit documentation
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/06_button_2.png)
Button Module — SunFounder Ultimate Sensor Kit documentation
![](https://docs.sunfounder.com/projects/ultimate-sensor-kit/en/latest/_images/14_gy_bme280_3.3_module.png)
Temperature, Humidity & Pressure Sensor (BMP280) — SunFounder
![](https://manuals.plus/wp-content/uploads/2021/03/JDY-31-Bluetooth-Backplane.png?ezimgfmt=rs:412x659/rscb1/ng:webp/ngcb1)
Bluetooth SPP Serial Port Transparent Transmission Module User Manual
JDY-31 Bluetooth is based on Bluetooth 3.0 SPP design, which can support Windows, Linux, for android data transmission, working frequency 2.4GHZ,
![](http://sunhokey.cn/cdn/shop/products/JDY-31_3_1200x1200.jpg?v=1594895696)
JDY-31 Bluetooth 3.0 Bluetooth Module Serial Port 2.4G SPP Transparent Transmission Compatible with HC-05 06 JDY-30