5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V for Arduino PIC AVR DSP ARM MCU
With isolation groove in control area and load area.With power and relay action indication, bright when connect and go off when disconnects.When there is a signal in signal input, public side and common side will breakover.It can be not only used as a microcontroller development board module, but also as a home appliance control.It can not only control the DC or AC signal, but the 220V AC load.With a permanent open and close vents contact.It is convenient to connect with blue KF301 terminal access control cable.Supplier: FAMOUS ELECTRONICS BD