1, the new 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
We have a strict quality control system, professional testing equipment, looking forward to cooperating with you!