This is a 4-Channel Relay module, It can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and MSP430.
IMPORTANT: always take care when connecting to mains. Never do mains wiring yourself - always ask a qualified professional. Enclose the connected board in a safe enclosure, away from children or any unauthorized person.
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This is a 4-Channel Relay module, It can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and MSP430.
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