Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Detection Wavelength | 760nm - 1100nm |
| Output Signal | Digital Switch Output (0 and 1) |
| Detection Distance | Up to 80cm (depending on flame intensity) |
| Comparator Chip | LM393 |
| Board Dimensions | 32mm x 14mm x 8mm |
| Mounting Hole Diameter | 3.0mm |
| Interface Type | 3-Pin PH2.54 Connector |
| Sensitivity Adjustment | Potentiometer Adjustable |
| Compatible Platforms | Arduino, Raspberry Pi, STM32 |
Anonymous
Mar 30, 2026
Rating: 5/5
Great for learning embedded systems
Bought this for a university project on IoT safety systems. The digital output makes interfacing with Arduino incredibly simple. Documentation could be better, but standard tutorials work fine.
Anonymous
Mar 27, 2026
Rating: 5/5
Exceeded expectations
For the cost, you really can't beat this. It's sensitive enough to detect a match strike from a reasonable distance. Shipping was fast and the component arrived well-packaged.
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for my robotics project
This sensor works exactly as described. I integrated it into a small fire-fighting robot, and the detection range is impressive for such a compact module. The potentiometer makes it easy to tune sensitivity.
Anonymous
Mar 21, 2026
Rating: 4/5
Good value, needs calibration
Solid build quality for the price. It took a few minutes to calibrate the threshold using the onboard pot, but once set, it reliably detects candle flames from about 60cm away.
Anonymous
Mar 21, 2026
Rating: 5/5
Reliable and fast response
We used ten of these in our competition bots. They all performed consistently with fast reaction times when exposed to a lighter flame. Highly recommended for educational kits.
Anonymous
Mar 10, 2026
Rating: 4/5
Compact and effective
Very small form factor which helped in my tight chassis design. Just be aware that strong sunlight can sometimes trigger false positives if sensitivity is maxed out.
Q: Does it work outdoors in direct sunlight?
A: Direct sunlight contains IR radiation that can interfere with detection. We recommend shielding the sensor or adjusting the sensitivity potentiometer carefully if used in bright outdoor environments.
Q: What is the maximum voltage this board can handle?
A: The module operates safely between 3.3V and 5V DC. Applying voltage higher than 5V may damage the comparator chip and the IR receiver.
Q: Does this module output analog or digital signals?
A: This specific model provides a digital switch output (HIGH/LOW). If you need analog values representing flame intensity, please look for our analog variant.
Q: Can this sensor detect smoke?
A: No, this is a flame sensor designed to detect the specific wavelength of fire light (760nm-1100nm). It cannot detect smoke particles; you would need a dedicated smoke sensor for that.
Q: Is the mounting hole size standard for M3 screws?
A: Yes, the mounting holes are 3.0mm in diameter, which is compatible with standard M3 screws and standoffs commonly used in electronics projects.
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