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W1209 High Precision Temperature Controller TRANSPARENT

  • Sku: 1I6IE3OQLC
  • Categories: Electronics

The W1209 is a popular low-cost digital temperature controller module. It's commonly used in DIY projects, particularly in applications that require temperature control, such as small incubators, aquariums, and homebrewing setups.



  1. Digital Display: It has a digital LED display that shows the current temperature and set temperature.
  2. Temperature Range: It  measures and controls temperatures in the range of -50°C to 110°C.
  3. Control Mode: The W1209 uses a relay to control heating or cooling devices (like a heater or a fan) to maintain the desired temperature. 
  4. Transparent Cover: This W1209 comes with a transparent cover that protects the components and display.
  5. Easy to Install: It's relatively easy to install and connect to your heating or cooling device. 
  6. Power Supply: The module operates on 12V DC power.
  7. Size: It is compact and suitable for small-scale projects.

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