# Flame sensor 4 pins, Analog, Digital, 3-5V

> 4-pin flame sensor module, compatible with Arduino and other development boards at 3.3V or 5V. Provides analog and digital output (AO and DO pins), detects IR radiation 760-1100nm at a distance of about 80cm with an 80 degree detection angle. Uses LM393 comparator with 15mA signal current and a potentiometer for sensitivity adjustment. Dimensions: 32 x 14mm. Supply voltage 3-5VDC.

- Page: https://sigmanortec.ro/en/flame-sensor-4-pins-analog-digital-3-5v
- Price: 5.87 RON
- Availability: In stock; 1-2 zile
- Reference: 33168 · EAN: 5944363244549
- Category: Mechatronics and IoT > Sensors and Modules > Light and Optical Sensors
- Specifications: tension: AD; Supply Voltage: 3; Maximum Input Voltage: 5
- Package (shipping data): 0.003 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:21 (Europe/Bucharest)

## Description

Compact module for flame detection in Arduino projects and other 3.3V or 5V boards, offers analog and digital outputs for flexible integration, detects IR radiation 760-1100nm up to about 80cm with an angle of 80 degrees, includes LM393 comparator for stable signal and potentiometer for sensitivity adjustment.
Flame sensor (wire) with 4 pins.
Digital and Analog output