DC12V 4-Channel Android Mobile bluetooth Relay Module

Overview LC 12V bluetooth 4 channel relay module equip with SPP C bluetooth 2 1 slave module and 8 bit high performance MCU you can control the relay with cellphone APP directly Bluespp bluetooth serial APP separately download http files banggood com 2018 08 bluespp 6 4 apkClick hereThe function and characteristics 1 On board N76E003 STM8S003 and SPP C bluetooth 2 1 module2 The relay can be controlled with APP3 Effective control distance on open area 10m4 Power supply 12V5 On board 12V 10 A 250 v AC 10 A 30 v DC relay absorb 100000 timescontinuously Module with diode effusion protection short response time6 On board optocoupler isolation components anti interference ability is strongly7 On board bluetooth indicator and relay indicator LED8 On board preserved UART debug interface Baud rate is 9600 and MCU program interface9 Size 62 7 63 2mmInterface IN IN 12V power inputTX RX UART communicationSWIM NRST MCU program interfaceLED D2 D3 D4 D5 red Relay indicatorLED D1 blue bluetooth state indicator the description of D1 as below 1 It s means wait for establishing connection with the APP when D1 blink slowly 2 It s means the bluetooth connect with the APP successfully when D1 on all the timeRelay control command must be hex format Open the 1st relay A0 01 01 A2Close the 1st relay A0 01 00 A1Open the 2nd relay A0 02 01 A3Close the 2nd relay A0 02 00 A2Open the 3rd relay A0 03 01 A4Close the 3rd relay A0 03 00 A3Open the 4th relay A0