General purpose relay module for switching higher voltages / currents from microcontrollers such as Arduino, Raspberry Pi, PIC, AVR or DSP. The relays are rated at 10A, with NO/NC contacts. Channels have an LED to indicate whether the relay is switched ON. The relay is switched via 5v. Number Channels : 4 Control Voltage : 5v DC (Active Low) Max Switching Voltage : 250VAC / 30VDC Max Switching Current : 10A Operating Temperature : -40degC to +85degC .
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