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

SKU: HA1961368

Original price was: $4.23.Current price is: $3.02.

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MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit
$4.23 Original price was: $4.23.$3.02Current price is: $3.02.

MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit
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 name Component position Quantity
1/4W Resistor 5.1R R1 1
1/4W Resistor 1K R2, R5~R7,R9, R10 6
1/4W Resistor 10K R3, R4 2
1/4W Resistor 330R R8 1
1/4W resistor 220K IC4 1
Ceramic capacitor 104 C1,C2 2
3MM yellow LED D1, D2 2
Transistor S9012 Q1 1
Trivalent chromium S9013 Q2 1
In-line chip LM393 U1 1
Voice chip C002 IC4 1
5V Active Buzzer B1 1
Straight pin header 4P P1 1
Double female Dupont cable 2P P1 1
MQ-5 gas sensor MQ-5 1
PCB board 1

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~240K?? (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.
Ha1961368
Ha1961368 1
Ha1961368 2
Ha1961368 3
Ha1961368 4

Additional information

Weight 0.017 kg

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