XH-W3002 Microcomputer Digital Temperature Controller Switch Module

Take precise control of your heating and cooling systems with the XH-W3002 Digital Temperature Controller Switch Module. Whether you're building a DIY incubator, automating a aquarium heater, managing a reptile terrarium, or setting up a brewing temperature system, this compact microcomputer module delivers accurate, reliable digital temperature switching in a sleek, easy-to-wire package.

Key Features

Wide Voltage Compatibility: Works with both 12V DC and 220V AC systems, making it highly versatile for a range of DIY and professional projects.
Digital LED Display: Clear, easy-to-read digital readout shows the current temperature at a glance, so you're always informed.
Precise Thermostat Control: Set your desired temperature with a simple button interface; the module automatically switches heating or cooling devices on and off to maintain your target range.
Dual-Mode Operation: Supports both heating and cooling control modes — perfect for a wide variety of automation and DIY electronics applications.
Compact Module Design: The slim, lightweight form factor fits easily into project enclosures, panels, or custom builds.
NTC Sensor Included: Comes with a temperature probe/sensor for quick setup right out of the box.
Available in 3 Color Options: Choose the style that best matches your build or workspace aesthetic.

Specifications

Model: XH-W3002
Compatible Voltage: 12V DC / 220V AC
Temperature Range: -50°C to +110°C
Display: Digital LED
Control Mode: Heating & Cooling
Sensor Type: NTC (included)

Ideal Applications

DIY incubators and brooders
Aquarium and fish tank heater/chiller automation
Reptile terrarium temperature management
Home brewing and fermentation chambers
Greenhouse climate control
Electronics lab and maker projects

Complete Your Project

Looking for more components for your builds? Check out our Round Aluminum Wire for DIY Projects or browse our range of DIY Craft & Making Supplies to complement your creative projects.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What voltage does the XH-W3002 Digital Temperature Controller support?

A: The XH-W3002 Temperature Controller Switch Module is compatible with both 12V DC and 220V AC power supplies, making it a flexible choice for a wide range of DIY electronics, home automation, and industrial projects.

Q: Can the XH-W3002 control both heating and cooling devices?

A: Yes! The XH-W3002 supports both heating and cooling control modes. You can configure it to turn a heating device ON when the temperature drops below your set point, or activate a cooling device when the temperature rises above your target — giving you full thermostat automation.

Q: Does the XH-W3002 come with a temperature sensor probe?

A: Yes, the XH-W3002 module includes an NTC temperature sensor probe, so you can set it up and start using it straight away without needing to purchase additional components.

Q: What is the temperature range of the XH-W3002 controller?

A: The XH-W3002 Digital Temperature Controller operates across a range of -50°C to +110°C, making it suitable for a broad variety of temperature control applications including incubators, aquariums, brewing, and climate management systems.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.