Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 5V DC |
| Sensor Type | NTC Thermistor |
| Relay Contact Rating | 10A 250VAC / 10A 30VDC |
| Detection Range | -55°C to +125°C |
| Trigger Mode | Adjustable via Potentiometer |
| Output Signal | Digital Switch (TTL) |
| PCB Dimensions | 42mm x 26mm x 14mm |
| Mounting Hole Diameter | 3.5mm |
| Indicator LEDs | Power and Relay Status |
| Compatibility | Arduino, Raspberry Pi, PLC |
Anonymous
Mar 21, 2026
Rating: 5/5
Perfect for my greenhouse project
This module worked exactly as described. The temperature threshold is easy to adjust with the blue potentiometer, and the relay clicks reliably when the set point is reached. Great value for the price.
Anonymous
Mar 19, 2026
Rating: 5/5
Great for learning embedded systems
Bought this for a university project. It's very sensitive and responds quickly to temperature changes. The 2-in-1 design saves space on my breadboard setup.
Anonymous
Mar 19, 2026
Rating: 4/5
Solid performer
Works well for triggering alarms when temperatures get too high. The only minor issue is that the screw terminals are a bit tight, but that ensures a secure connection.
Anonymous
Mar 06, 2026
Rating: 5/5
Exceeded expectations
Very compact and efficient. I used it to control a small pump based on water temperature. The adjustment range is wide enough for most common applications.
Anonymous
Mar 06, 2026
Rating: 5/5
Reliable switching action
I've tested this with a heating element and it handles the load without issues. The LED indicators are bright enough to see status at a glance. Highly recommended for DIY automation.
Anonymous
Mar 03, 2026
Rating: 4/5
Good quality, clear instructions needed
The hardware is solid and the soldering is clean. However, I had to look up a tutorial to understand the pinout clearly. Once connected to my Arduino, it functioned flawlessly for controlling a cooling fan.
Q: What is the response time of the sensor?
A: The NTC thermistor typically responds within a few seconds depending on the medium (air vs liquid) and the mass of the object being measured.
Q: Can this module directly control a 12V DC fan?
A: Yes, the relay supports up to 10A at 30VDC, so it can easily switch a standard 12V DC fan on and off based on the temperature setting.
Q: How do I change the trigger temperature?
A: There is a blue potentiometer on the board. Use a small screwdriver to rotate it clockwise or counter-clockwise while monitoring the LED to set your desired trigger point.
Q: Is the thermistor waterproof?
A: The thermistor probe itself has some protection, but it is not fully waterproof for submersion. We recommend using a waterproof casing if using it in humid or wet environments.
Q: Does this come with jumper wires?
A: The package includes the module and the sensor probe, but jumper wires are not included. You will need to provide your own Dupont wires for connection.
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