Sell Arm KY-019 Plate Relays Relay Module DSP 1 Way Shield Modules PIC 1-channel Extend Board/Multicolor best price

<div><p>Voltage:5V Type:Relay Module Model:KY-019 Package Includes:1pc Relay Module Size:26*34mm Features: 1, the 5V Relay Module 2, can be used as microcontroller development board module can be used as home appliance control 3,5 V-12V to TTL control signal 4, the control signal DC or AC, 220V AC load can be controlled. 5, there is a normally open and one normally closed contact 6, a power indicator light 7, a control indicator, pull off, disconnect does not shine 8, transistor drive to increase the relay coil control pins high impedance. 9, the control pin has a pull-down circuit to prevent malfunction relay vacant</p></div>