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MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

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Feature:


Product name: Gas detection alarm circuit

Supply voltage: DC5V

Appearance size: 60*30mm

Sensor: MQ-5

NOTE: This kit requires self-assembly.


Package includes:


1 x DIY Kit


Components List
Component nameComponent positionQuantity
1/4W Resistor 5.1RR11
1/4W Resistor 1KR2, R5~R7,R9, R106
1/4W Resistor 10KR3, R42
1/4W Resistor 330RR81
1/4W resistor 220KIC41
Ceramic capacitor 104C1,C22
3MM yellow LEDD1, D22
Transistor S9012Q11
Trivalent chromium S9013Q21
In-line chip LM393U11
Voice chip C002IC41
5V Active BuzzerB11
Straight pin header 4PP11
Double female Dupont cable 2PP11
MQ-5 gas sensorMQ-51
PCB board1


Principle:


The gas sensing material used in the MQ-5 gas sensor is tin dioxide with low conductivity in clean air. When there is flammable gas in the environment where the sensor is located, the conductivity of the sensor increases with the increase in the concentration of flammable gas in the air. big. External oscillator resistance 100K~240Ku03a9 (the larger the resistance, the slower the sound speed), the buzzer can be driven to sound after power-on. Pin 1 is grounded, pin 2 is output, pin 3 is the sound terminal, pin 4 is connected to the positive pole of the power supply, and pins 5 and 6 are connected to the shock resistance.


MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit

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