Review on 🌐 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 Melissa Richards

Name: 🌐 MCIGICM 2 Channel DC 5V Relay Module: Optocoupler Low Level Trigger Expansion Board for Arduino UNO R3, DSP, ARM, PIC, AVR, STM32, Raspberry Pi
Item: 🌐 MCIGICM 2 Channel DC 5V Relay Module: Optocoupler Low Level Trigger Expansion Board for Arduino UNO R3, DSP, ARM, PIC, AVR, STM32, Raspberry Pi
Rating: 4

October 22, 2022

Of each 2 channel relay purchased only 1 channel worked

Ordered 3 packs. Only 2 channels worked on each of the relays. I confirmed it by swapping the wiring from channel 1 to channel 2 on all 3 and still only channel 2 worked. I hate to say it but better buy elsewhere. I only noticed other reviews about a similar problem when ordering. I can't believe all 3 only worked halfway.

Pros

Useful not only for its intended purpose

Cons

Not working

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