Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Type | NTC Thermistor |
| Operating Voltage | DC 5V to 12V |
| Temperature Range | -55°C to 125°C |
| Output Signal | Digital Switch (High/Low) |
| Relay Load Capacity | 10A 250VAC / 10A 30VDC |
| Trigger Mode | Adjustable via Potentiometer |
| PCB Material | FR-4 Double Sided |
| Board Size | 42mm x 16mm x 14mm |
| Weight | 15 grams |
| Package Contents | 1 x Sensor Module, 1 x Thermistor Probe |
Anonymous
Apr 11, 2026
Rating: 5/5
Reliable switching
Been running this for a month controlling a cooling fan. No false triggers and the relay clicks firmly.
Anonymous
Feb 24, 2026
Rating: 5/5
Great for automotive use
Installed this to monitor my engine bay temp. The relay switches reliably when the threshold is met. Very happy with the purchase.
Anonymous
Jan 31, 2026
Rating: 5/5
Perfect for DIY electronics
Used this with an Arduino project. The digital output makes it very simple to interface without complex coding.
Anonymous
Jan 31, 2026
Rating: 4/5
Good module, short wires
Functionality is perfect for my HVAC project. Only wish the probe wires were a bit longer, but I extended them myself.
Anonymous
Jan 20, 2026
Rating: 5/5
Accurate and responsive
Tested against a calibrated thermometer and it was within a degree. Easy to adjust the trigger point with the onboard pot.
Q: Is the thermistor probe waterproof?
A: The metal probe tip is water-resistant, but the connection point should be kept dry or sealed for submersion.
Q: Can this module operate on 24V systems?
A: No, this module is designed for DC 5V to 12V systems. Using 24V may damage the circuit.
Q: Does it come with a wiring diagram?
A: Yes, there is a printed diagram on the PCB silk screen and a digital copy available on our product page.
Q: Can I adjust the temperature threshold?
A: Yes, there is a blue potentiometer on the board that allows you to set the trigger temperature precisely.
Q: What is the maximum current the relay can handle?
A: The relay is rated for 10A at 250VAC or 10A at 30VDC. Please do not exceed these limits.
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