DROK Electronic Thermostat Controller, DC 6-30V 24V Digital Temperature Control Board -50 to +110 Degree Celsius High Accuracy LCD Digital Micro Temp Control Switch Module with Waterproof Sensor Probe

I use this to cycle a 500W heater in my solar battery compartment, as they are outside in the cold. Worked flawlessly the first winter. Hope it lasts years.

Very nice 👍

Installed and working. The instructions wer lacking detail on how to set up the serial port. But i didnt need that part.....

It works as it should. Very high quality. Will definitely be shopping the DROK store for more parts.

Can't beat the price for the functionality of this controller but I'm stuck without a functioning system again after having just received my replacement order. I haven't even shipped the first controller that broke within two weeks back yet and the new one is already not working due to probe failure again. I'm just using the controller to turn some fans on and off over an aquarium. I'm coming to the conclusion that the probes do not appear to be waterproof. I've gone to great lengths to protect the controller which appears to work as advertised at least but the probes that came with this replacement and the original order both failed rapidly. The first died within two weeks and was reading 100+ Celsius higher than actual temp overnight. The replacement that arrived Friday was accurate on arrival but was reading 50+ Celsius higher than it should be within two days. The probe tips in both orders were protected and submerged, resting in the edge just under the surface of a saltwater aquarium. The probe just plugs into the board so it's replaceable at least but I don't see a way to order just the probe from the seller. Either way, they shouldn't fail within a couple of days or even weeks of use. If the probes are not really waterproof, please don't advertise them as such. I'll update this review if I get some help from the seller.

I used this for a power supply cooling fan controller in a 3D printer. Easy to program, and works great. I had to work some tweaks with the cover so that it could be mounted to it and still be programmed and read from outside the enclosure, but it worked out well enough as it's not something that needs to be changed much - if at all - once it's set. I would have preferred if the display and operator buttons were arranged so the card could be mounted directly to a panel face, but it is what it is.

Solid unit. Good visual on the LCD screen. Programming good, instructions leave a bit to imagination. Not real clear how to set the hysteresis of the on/off cycle. Light, powers up and stores settings. Handy.

Very configurable. Saves settings. Speedy scanning of temperature. Good build quality. Great value.