Flame Sensor User Manual
Contents
1. Flame Sensor User Manual Flame Sensor User Manual 1 Features Voltage comparator LM393 wide voltage chip range Detection wavelength 760nm 1100nm Operating voltage 3 3V 5 3V Detection angle 0 degree 60 degree Operating temp 25 C 85 C Dimensions 29 2mm 11 2mm Fixing hole size 2 0mm 2 Applications Waveshare This module can be applied to fire detection system fire fighting robot fire alarm system etc 3 Interfaces Pin No Symbol Descriptions 1 DOUT Digital output 2 AOUT Analog output 3 GND Power ground Positive power supply mE 3 3V 5 3V 4 How to use We will illustrate the usage of the module with an example of fire detection by connecting a development board Download the relative codes to the development board 2 Connect the development board to a PC via a serial wire and the module to the development board Then power up the development board and start the serial debugging software Here is the configuration of the connection between the module and the development board Port STM32 MUC pin DOUT GPIOA 4 AOUT GPIOA 6 GND GND VCC 3 3V Flame Sensor User Manual Port Arduino pin DOUT D2 AOUT AO GND GND VCC 5V Here is the configuration of the serial port Baud rate 115200 Data bits 8 Stop bit 1 Parity bit None Waveshare 8 The detected res2. ult can be checked by a signal indicator on the module The signal indicator will turn on when the sensor is close to a fire And it will turn off when the sensor is away from the fire 4 Start the serial debugging software and you can find the serial output changes along with the distance from the sensor to the fire Notice The flame sensor is designed to detect fire only but it is not fireproof itself When using it please keep a safe distance from the fire to avoid burning out
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