Review on KNACRO 4 Channel Optocoupler Isolation Arduino Tools & Equipment by Richard Gross
Faulty relay on power supply accessory
The product did not work. I ordered 2 relays from the same seller. The first season was delayed and never even delivered. I had to rewind the second relay overnight and it failed and now my project is doomed.
- Handsfree
- I vaguely remember
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