Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Interface Type | 3-/4-Wire Interface |
| Sensor Type | NTC Thermistor |
| Temperature Range | -55°C to 125°C |
| Output Signal | Digital Switching Output (TTL) |
| PCB Size | 3.2cm x 1.4cm |
| Mounting Hole | 3mm Diameter |
| Comparator Chip | LM393 |
| Indicator LED | Power and Output Status |
| Package Weight | 15g |
Anonymous
Apr 10, 2026
Rating: 3/5
Decent but sensitive
It works, but the potentiometer is very sensitive. Small movements change the threshold significantly. Be careful when adjusting.
Anonymous
Feb 24, 2026
Rating: 5/5
Reliable Temperature Switch
I bought two of these. Both work flawlessly. The LED indicator is helpful for debugging.
Anonymous
Feb 23, 2026
Rating: 4/5
Good sensor, tricky calibration
The sensor itself is accurate. Took me a while to get the threshold right on the potentiometer. Good value for money.
Anonymous
Feb 13, 2026
Rating: 5/5
Great addition to my kit
Fast shipping and well packaged. The module is compact and fits easily into my enclosure.
Anonymous
Jan 26, 2026
Rating: 5/5
Perfect for Arduino Projects
Works exactly as described. Easy to calibrate with the potentiometer. Using it for a fan control system.
Q: What is the maximum current this module can handle?
A: The output current is limited by the comparator chip, typically suitable for signal input to microcontrollers, not direct high-power loads.
Q: Can I use this for water temperature sensing?
A: Yes, provided the thermistor probe is waterproofed or placed in a suitable enclosure to prevent short circuits.
Q: Does it output analog or digital signal?
A: This module outputs a digital switching signal (HIGH/LOW) based on the temperature threshold.
Q: How do I adjust the temperature threshold?
A: Use the blue potentiometer on the board. Turn it slowly while monitoring the output LED until it switches at your desired temperature.
Q: Is this compatible with Raspberry Pi GPIO?
A: Yes, it operates at 3.3V-5V which is compatible with Raspberry Pi GPIO pins.
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