5pcs 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V PIC AVR DSP ARM MCU Geekcreit for Arduino - products that work with official Arduino boards with remote 1 channel)5

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Nutrition Facts - (Typical Values per 100ml): Energy: 160KJ

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5pcs 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V PIC AVR DSP ARM MCU Geekcreit for Arduino - products that work with official Arduino boards with remote 1 channel)5Features: 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