Shelly Plus 1 and Plus 1PM Power Controllers

Shelly Plus 1 and Plus 1PM Power Controllers

Way back in August 2019 I wrote about the Shelly 1 controller produced by Alterco Robotics in Sofia, Bulgaria. This at the time was one of a small but growing number of competitors to the likes of the very inexpensive Sonoff Basic. Later on, in March 2021 I followed...