Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Detection Range	760 nm - 1100 nm
Operating Voltage	3.3V - 5V DC
Output Signal	Digital Switch Output (0 and 1)
Comparator Chip	LM393
Sensitivity	Adjustable via Potentiometer
Response Time	15 microseconds
PCB Dimensions	32mm x 17mm
Mounting Hole Diameter	3mm
Interface Type	3-Pin or 4-Pin Header
Compatible Platforms	Arduino, Raspberry Pi, ESP32

6 reviews

Anonymous

Mar 30, 2026

Rating: 5/5

Perfect for my safety project

This sensor works exactly as described. I used it with an Arduino Uno to build a fire alert system for my workshop. The sensitivity adjustment is very responsive, allowing me to fine-tune the detection distance.

Anonymous

Mar 25, 2026

Rating: 5/5

Reliable and compact

Small footprint makes it easy to fit into tight enclosures. The mounting holes are standard size. No false positives in my testing environment so far.

Anonymous

Mar 23, 2026

Rating: 5/5

Fast response time

I was impressed by how quickly the digital output switches when exposed to a lighter flame. It's much faster than the thermal sensors I previously tested. Highly recommended for DIY alarms.

Anonymous

Mar 20, 2026

Rating: 4/5

Good value, clear instructions needed

The hardware quality is solid and the IR receiver is sensitive. However, beginners might struggle without a detailed wiring diagram. Once connected correctly, it detects flame instantly.

Anonymous

Mar 15, 2026

Rating: 5/5

Great for educational kits

Bought ten of these for our high school robotics club. They are durable and consistent. Students were able to integrate them into their autonomous rover projects without issues.

Anonymous

Mar 10, 2026

Rating: 4/5

Works well but range is limited

Effective within the specified range (about 1 meter for strong flames). Do not expect it to detect a candle from across the room. For close-range monitoring, it is excellent.

5 FAQ

Q: Can this module detect sunlight or just actual fire?

A: The sensor is tuned to specific wavelengths emitted by flames (760nm-1100nm). While strong direct sunlight contains some IR, the adjustable sensitivity allows you to filter out ambient light. It is designed to prioritize flame detection.

Q: What is the maximum current draw?

A: The module consumes approximately 20mA when active. It is safe to power directly from the 5V or 3.3V pins of most microcontroller boards like Arduino or ESP8266.

Q: Does this come with the connecting wires?

A: The module includes the pin headers soldered onto the board. Jumper wires are typically sold separately, but any standard male-to-female jumper wire will work with the 3-pin or 4-pin interface.

Q: Can I use this outdoors?

A: The PCB itself is not weatherproof. For outdoor use, you must house the module in a waterproof enclosure with a transparent window that allows IR radiation to pass through.

Q: Is the output analog or digital?

A: This specific model provides a digital switch output (HIGH/LOW) via the LM393 comparator. If you require raw analog data, please check our listing for the analog-only version of this sensor.

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