MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit
Direct purchase from the factory 
Ka sɛn sɔgɔsɔgɔninjɛ
Sɔnni hɔrɔn
Ka taa cogo
Ka segin cogoSɔnni Hɔrɔn
I ni ce Roymall, i ka sɔnniw siti. An bɛ i ka dɛmɛ fɛɛrɛ. O sɔnni hɔrɔn bɛ kɛ i ka sɔnni kɛnɛ kan.Ka Taa Cogo
An bɛ sɔnniw taa i ka so la 2 don kɔnɔ. Kɛnɛ cɛsiri bɛ se ka kɛ 5-7 don kɔnɔ.1. Ka Segin Cogo
Sɔnniw bɛ segin 40 don kɔnɔ. Sɔnni yɛlɛman tɛ segin.2.Ka Sɛn Segin
I bɛ sɛn sɔrɔ segin kɔnɔ.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~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.
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