I checked several Arduino projects and related libraries available online but was confused. Finally, I decided to do my first test with the help of a Windows 10 computer as the host. First, I ...

In this post we are reviewing the ESP-01 Wi-Fi Relay Module. ... Both boards have the blue LED but it is connected differently. ... or you can program the ESP-01 module with the help of the Arduino ...

The C0-08TR-3 ($49.00) is an 8-point, 3A per point, relay output module with eight Form A (SPST) relays and 4 isolated commons. Operating voltage range is 6-27 VDC / 6-240 VAC. Priced at $40.00, the ...