Relay 5V/12V 1 2 4 6 8-Channel Relay Module Raspberry Relay With Photocoupler Used In Arduino Raspberry Pi

Best selling in 2021relay 5V/12V 1 2 4 6 8-channel relay module with photocoupler Used in arduino Raspberry Pi 1 Channel: The new 5V /12V Relay Module Can be used as microcontroller development board module can be used as home appliance control 5 V-12V to TTL control signal The control signal DC or AC, 220V AC load can be controlled. There is a normally open and one normally closed contact A power indicator light A control indicator, pull off, disconnect does not shine Transistor drive to increase the relay coil control pins high impedance. The control pin has a pull-down circuit to prevent malfunction relay vacant 2 Channel: The new 5V /12V Relay Module Can be used as microcontroller development board module can be used as home appliance control 5 V-12V to TTL control signal The control signal DC or AC, 220V AC load can be controlled. There is a normally open and one normally closed contact A power indicator light A control indicator, pull off, disconnect does not shine Transistor drive to increase the relay coil control pins high impedance. The control pin has a pull-down circuit to prevent malfunction relay vacant 4 Channel: The new 5V /12V Relay Module Can be used as microcontroller development board module can be used as home appliance control 5 V-12V to TTL control signal The control signal DC or AC, 220V AC load can be controlled. There is a normally open and one normally closed contact A power indicator light A control indicator, pull off, disconnect does not shine Transistor drive to increase the relay coil control pins high impedance. The control pin has a pull-down circuit to prevent malfunction relay vacant. 8 Channel: The new 5V /12V Relay Module Can be used as microcontroller development board module can be used as home appliance control 5 V-12V to TTL control signal The control signal DC or AC, 220V AC load can be controlled. There is a normally open and one normally closed contact A power indicator light A control indicator, pull off, disconnect does not shine Transistor drive to increase the relay coil control pins high impedance. The control pin has a pull-down circuit to prevent malfunction relay vacant. If need more parts Pls click and submit the order. We will send the latest version of product, the upgraded function. It may has different shape or color. If you can't agree, pls don't buy. Hope you understand us, thank you in advance.