Review on π‘οΈ Weewooday 6-Piece W1209 Micro Digital Thermostat Temperature Controller Board with Case, 12V DC -50-110Β°C Electronic Temp Control Module Switch with Waterproof NTC Probe by Justin Malkowski
It's awesome!
I use one of these as a backup for an Alexa controlled hot water circulation system. Alexa actually sets the pump on time, and it's a backup that shuts off power to the pump in case Alexa goes nuts. They're so cheap I couldn't even buy a relay for that price. And they are already assembled! Why do I need 6? I do not know yet.
- good thing
- update available
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