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Buy Yizhet 5V 2 Channel-Relay DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic (2 Channel) Online in Thailand. B07GXC4FGP
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Mega 2560 + MPU5060 + HD44780 + 4 chanel relay module + 400V three-phase motor - Motors, Mechanics, Power and CNC - Arduino Forum
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