W3001 12V 10A Digital LED Temperature Controller – Reliable Thermostat Module

The W3001 Temperature Controller is a versatile, easy-to-use thermostatic switch module designed to automatically regulate temperature using an external NTC sensor and a powerful 10 A relay. With a clear digital LED display and simple configuration buttons, it is well suited for managing heating or cooling equipment in a variety of environments.

This module is commonly used in applications like aquarium heaters, terrariums, incubators, greenhouses, small HVAC systems, fermentation chambers, and DIY automation projects. Its compact size, 12 V DC operation, and straightforward interface make integration with microcontroller platforms — such as Arduino, NodeMCU, or Raspberry Pi — simple and efficient.

🔧 Technical Specifications

• Operating Voltage: 12 V DC

• Relay Output: 10 A (suitable for heaters, coolers, fans, pumps)

• Temperature Sensor: NTC thermistor (external probe)

• Temperature Control Range: (Depends on sensor; commonly –40 °C to +99 °C)

• Display: Digital LED temperature readout

• Control Modes: Heating / Cooling selectable

• User Controls: Buttons for setpoint, hysteresis / differential adjustment

• Power Consumption: Low standby draw

• Module Size: Compact, PCB-mounted format

✨ Key Features

• Switch high-current loads (up to 10 A) — suitable for heaters, compressors, pumps, fans.

• Works on 12 V DC, ideal for battery-powered or automotive / solar-powered systems.

• Digital LED display for real-time temperature monitoring.

• Selectable heating or cooling mode, allowing flexible use in different applications.

• Simple, user-friendly controls for setpoint and hysteresis adjustment.

• Compatible with control boards like Arduino, NodeMCU, and Raspberry Pi for automation and remote monitoring.

🏠 Typical Applications

• Aquarium heaters / chillers

• Terrariums for reptiles

• DIY incubators (eggs, reptiles)

• Greenhouse temperature regulation

• Small HVAC units or room heaters

• Fermentation, brewing, or food processing chambers

• Cooling systems for electronics or battery banks

• Solar-powered heating/cooling setups

For more compatible modules and components, check:

• Electronics Components: https://electroway.org/product-category/electronics-components/

• Arduino & Accessories: https://electroway.org/product-category/arduino-and-accessories/

• Tools & Accessories: https://electroway.org/product-category/tools-and-accessories/

⚠ Precautions & Best Practices

• Confirm the load connected does not exceed 10 A rating.

• Provide stable 12 V DC supply — avoid voltage spikes.

• Ensure proper wiring and grounding to prevent relay contact issues.

• Use the external NTC probe in the correct environment — do not immerse in corrosive liquids unless protected.

• Calibrate the sensor and set hysteresis properly to avoid rapid on/off cycling.

🎥 YouTube Tutorial / Setup Guide

Watch Video:https://www.youtube.com/shorts/uBD1M52I5fw

4. Product Summary

The W3001 12V 10A Digital LED Temperature Controller is an affordable, versatile, and reliable thermostat module for automatic temperature regulation. With its NTC sensor, strong relay output, and easy-to-read display, it is ideal for aquariums, incubators, greenhouses, HVAC systems, and DIY automation. Its 12 V DC operation and compatibility with microcontroller platforms make it a flexible choice for many projects.