Review on π ICStation Relay Power Switch Module with Optocoupler - 2PCS | High-Level Trigger | DC 3V 3.3V | For ESP8266 Development Board Arduino by Chris Tardy
Compact well made - power accessories
These relays were individually well packaged, the soldering quality was much better than other relays at this price point. Overall, a very good value if you have to switch higher AC voltages from a small DC regulator. The package comes with a QR code that can be scanned for instructions if needed, but using it is pretty much self-explanatory. Relay boards are fairly compact, making them ideal for small projects, but not so small that it's difficult to wire them up.
- Test for a year
- I vaguely remember
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