Aideepen W3230 Digital Thermostat

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The Aideepen W3230 is a compact digital temperature controller designed to automate heating and cooling systems by switching power on or off when a set temperature threshold is reached. It supports a wide temperature range and can be wired into DIY cold plunge setups, aquariums, fermentation chambers, and more. For the price, it offers a solid feature set, though the installation process requires basic electrical knowledge and some comfort with wiring.
Key Features & Specs
| Temperature Range | -55°C to 120°C (-67°F to 248°F) with 0.1° resolution |
|---|---|
| Control Modes | Supports both heating and cooling control modes, selectable via settings |
| Power Rating | Rated for 12V DC input with up to 20A relay output capacity |
| Display | LED digital display showing real-time temperature readings clearly |
| Sensor | Includes NTC 10K waterproof sensor probe on approximately 1-meter lead |
| Hysteresis Control | Adjustable hysteresis setting to prevent short-cycling of connected equipment |
| Installation | Hardwired unit requiring basic electrical wiring; no plug-and-play setup |
Best for: DIY cold plunge enthusiasts and hobbyists who want an affordable, customizable temperature controller for automating chillers or heaters in a home cold plunge or tub setup.