PREVIEW

This kind of sensor often used in "Fire Fighter Robot" competition. This sensor only take 4 GPIO pin of your microcontroller or Arduino: 3 digital pin to switch between channel and 1 pin to read the analog value of the sensor. Here are the specification of the sensor:

Supply : 3.3V-5V
Switch channel pin: S2 S1 S0 (from 000 to 111)
Digital output: D0, conversion result of comparator, trim to calibrate the sensor
Analog output: A0, read analog value directly
Digital comparator response: min. 20 uS

Arduino sample code HERE

Schematic and Layout

https://www.pcbway.com/project/sponsor/SENTINEL_Flame_Sensor_8_channel_kit_Arduino.html

Download Gerbers

Oct 12,2020

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SENTINEL Flame Sensor 8 channel kit Arduino

1788

Published: Oct 12,2020

Standard PCB

Download Gerber file 17

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