The Core module is HC-06 Wireless bluetooth 2.0 serial module. By using this HC06 Bluetooth module , you can quickly add Bluetooth features to your wireless DIY Project. The factory setting is slave mode,default Baud Rate: 9600 , PIN: 1234 Please note: This is a classic Bluetooth 2.0 module, it is not compatible with iphone or ipad, If you need to use iphone or ipad to control your Raspberry PI. You may need a Bluetooth 4.0 BLE module (such as SH-HC-08 Bluetooth 4.0 ble module) ABOUT WARRANTY: DSD TECH back this HC 06 module with ONE YEAR WARRANTY. If you meet any question, please contact us, we will fix your issue within 24 hours. See more

Why choose DSD TECH brand: DSD TECH back this HC 06 module with ONE YEAR WARRANTY. If you meet any question, please contact us, we will fix your issue within 24 hours. Please note: this is a Classic Bluetooth 2.0 module that is not compatible with any iOS device (ipad or iPhone). The default is slave role, working voltage 3.6V to 6V. Default baud rate : 9600 Pairing code : 1234. HC-06 Bluetooth Module : With this HC-06 Bluetooth Board, You can quickly complete your small Bluetooth test. For example, you can make a Bluetooth LED, or a Bluetooth switch. Through this, you can better understand the Bluetooth technology.