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This board is like a thermostat which works from 0 - 100 ˚C. Controls your device by switching on the relay when the warm temperature you desire is reached (for a fan/air conditioner), or when the low temperature is reached (heater), depending on the state of the two position switch. Runs on 12 V DC. Already assembled.

This item is only the board, no AC-DC adapter / wiring

Technical information:
- This circuit is a measurement of temperature.
- It has cut-off circuit when the lower or higher temperature varied 2˚C from your setting.
- It can be set to detect the temperature from 0˚ TO 100˚C.
- Use IC LM335Z is the detector temperature.
- The temperature range can be adjusted be potentiometer.
- 12VDC Relay can handle max at 7A / 240VAC
- Operating voltage : 12 VDC.
- Current consumption about 50mA.
- PCB dimensions : 3.8" X 2.1"

Download User Manual