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

banggood DIY Electronic Kits

0.00$
4.99$
Feature Product nameGas detection alarm circuitSupply voltageDC5VAppearance size60 30mmSensorMQ 5NOTEThis kit requires self assembly Package includes 1 x DIY KitComponents ListComponent nameComponent positionQuantity1 4W Resistor 5 1RR111 4W Resistor 1KR2R5 R7 R9R1061 4W Resistor 10KR3R421 4W Resistor 330RR811 4W resistor 220KIC41Ceramic capacitor 104C1 C223MM yellow LEDD1D22Transistor S9012Q11Trivalent chromium S9013Q21In line chip LM393U11Voice chip C002IC415V Active BuzzerB11Straight pin header 4PP11Double female Dupont cable 2PP11MQ 5 gas sensorMQ 51PCB board1Principle The gas sensing material used in the MQ 5 gas sensor is tin dioxide with low conductivity in clean airWhen there is flammable gas in the environment where the sensor is locatedthe conductivity of the sensor increases with the increase in the concentration of flammable gas in the airbigExternal oscillator resistance 100K 240KΩthe larger the resistancethe slower the sound speed the buzzer can be driven to sound after power onPin 1 is groundedpin 2 is outputpin 3 is the sound terminalpin 4 is connected to the positive pole of the power supplyand pins 5 and 6 are connected to the shock resistance