Review on π MCIGICM 2 Channel DC 5V Relay Module: Optocoupler Low Level Trigger Expansion Board for Arduino UNO R3, DSP, ARM, PIC, AVR, STM32, Raspberry Pi by Heather Jones
All 3 workers are correctly powered by JD-VCC
. All 3 modules I received work. I am using ESP32 to control a relay. I power the relay with a 5VDC power supply via JD-VCC and GND on a 3-pin header. No quality issues on the three I received.
- . Wide range
- Hard to remember but it was
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