Relay Module 1 2 4 Way Channel DC 12V Internet Smart Remote Control Mobile Phone Switch Wireless Relay Module

Product introduction:

relay module Android phone wireless remote control switch

Product parameter:

1. Onboard module: Onboard SPP_C serial slave module,

2. With wireless control function

3. Onboard relay: 12V, 10A/250V AC, 10A/30V DC relay, long relay life, can be continuously pulled in 100,000 times

4. Diode efflux protection: with diode efflux protection, short response time

5. On-board indicator: status indicator (slow flashing when not connected, long light after connection) and relay status indicator (lights up after closing)

6. Control distance: 10m (open environment)

7. Follow the specification: follow the 2.1 +EDR specification

8. Working voltage: DC 12V

9. DC control maximum voltage: DC 30V

10. Maximum voltage for AC control: AC 250V

Interface introduction:

1 Way  Relay Mdoule

IN+: input positive 

IN-: input negative

NC: Relay normally closed 0

N0: Relay normally open interface

COM: public

Open relay command: A0 01 01 A2 (sent in hexadecimal)

Close relay command: A0 01 00 A1 (sent in 16 hex)

2 Way  Relay Mdoule

IN+, IN-: 12V power input

TX, RX: UART serial port pins

EV, GND, SWIM, NRST: STM8S microcontroller program download port

LED D2 and D4 (red light): relay working indicator, light when open

LED D1 (blue light): blue light status indicator, slow flashing indicates waiting to establish connection with mobile phone, steady on indicates successful connection establishment with mobile phone

COM1, COM2: public terminal

Close the second relay: A0 01 00 A1

Close the second relay: A0 02 00 A2