Waterproof 🌊 HiLetgo Temperature Controller Thermostat Review

I use this sensor to open a low tunnel in my garden. There were no instructions but it was very easy to understand. I've been using it for a month with no problems. I would definitely buy again.

I bought a pair of these off eBay and the seller didn't state that there were multiple versions with the same model number. They didn't work (220V versions). So I bought two more from Revain and made sure they were the 12v versions (note the 220v versions lit up and worked at 12v but the relay inside didn't work). After replacing them in my homemade fridge for my truck, it works great. I bought two because the fridge has a double peltier unit. I am using a controller for the "main" cooling unit

Installing the XH-W3001 thermostat module and looking inside. Circuit of a common and very simple Chinese thermostat module. The module is rated for 12V but appears to be available in other voltage options as well. With this device, the output is switched to 12V and has a corresponding negative lead for direct load control. The module can control heating or cooling with start and end temperature. To set the temperature, press and hold one of the buttons. until the display starts flashing. The…