Template: Flame Sensor STM32 Guide

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The examples provided are based on the STM32F103RBT6 and the STM32H743, the connection provided is based on the STM32F103RB.
If you want to use other STM32 boards, please change the connection and you may need to port the codes yourself.

Hardware connection

Hardware connection-STM32
Connect to STM32F103RBT6
Flame STM32 Description
VCC 3.3V Power input
GND GND Ground
AOUT PA6 Analog data output
DOUT PA4 Digital data output

Examples

The examples are based on the HAL library. Please download the demo codes, unzip them and find the STM32 examples.

  • Open the project from Flame-Sensor-code\STM32\STM32F103RB\MDK-ARM by Keil.
  • Build the project and program it to the STM32 board.
  • connect the UART1 of the STM32 board to the PC and check the serial data by SCCOM software.
Flame STM32 3.png

Expected result

  • The indicator of the sensor lights up when the sensor is near the flame and goes off when it is away from the flame.
  • Open SSCOM software on PC to check the serial data. The data output is changed according to the distance between of sensor and flame.