XH-W3002 Microcomputer Digital Temperature Controller Switch Module

Take precise control of your heating and cooling setups with the XH-W3002 Microcomputer Digital Temperature Controller Switch Module. Featuring a bright digital LED display and a straightforward interface, this compact module lets you set target temperatures with ease — making it an indispensable component for DIY electronics projects, terrariums, incubators, aquariums, brewing systems, and more.

Key Features

Digital LED Display: Clear, easy-to-read readout for real-time temperature monitoring
Dual Voltage Support: Compatible with both 12V DC and 220V AC power supplies for flexible installation
Heating & Cooling Modes: Switchable control mode for both heating and cooling applications
High Accuracy: Precise temperature sensing via NTC sensor probe for reliable performance
Relay Switch Output: Built-in relay output for direct control of connected devices
Compact Module Design: Easy to integrate into enclosures, panels, or custom builds
Simple Programming: Intuitive button controls allow quick set-point and hysteresis adjustments
3 Color Options: Choose from available color variants to match your project aesthetic

Specifications

Model: XH-W3002
Input Voltage: 12V DC / 220V AC
Temperature Range: -50°C to +110°C
Temperature Resolution: 0.1°C
Sensor Type: NTC 10K waterproof probe
Output: Relay switch (normally open / normally closed)
Display: LED digital display
Modes: Heating mode / Cooling mode (selectable)

Ideal Applications

DIY aquarium or fish tank temperature control
Reptile terrarium heating systems
Home brewing and fermentation temperature management
Egg incubators and hatchery setups
3D printer heated bed or enclosure control
Electronics lab and workshop automation projects

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Frequently Asked Questions

Q: What does the XH-W3002 Digital Temperature Controller Switch Module do?

A: The XH-W3002 is a microcomputer-based digital temperature controller module that monitors ambient or liquid temperature via an NTC probe and automatically switches a connected relay output ON or OFF based on your programmed set-point. It supports both heating and cooling control modes, making it highly versatile for DIY projects like aquariums, incubators, brewing setups, and more.

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

A: The XH-W3002 supports dual voltage input — 12V DC and 220V AC — making it compatible with a wide range of power supplies commonly used in both low-voltage DIY electronics and standard household current applications.

Q: How do I set the temperature on the XH-W3002 module?

A: Setting the temperature is straightforward using the module's built-in buttons. You can program the target temperature set-point and the hysteresis (differential) value directly through the front-panel controls. The bright LED display provides real-time feedback so you always know your current and target temperatures at a glance.

Q: Is the XH-W3002 suitable for beginners in electronics?

A: Yes! The XH-W3002 is designed with simplicity in mind. Its plug-and-play style setup, clear digital display, and intuitive controls make it accessible for hobbyists and beginners, while its reliable performance also satisfies the needs of more experienced electronics enthusiasts and makers.

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.