Alcohol Level Tester
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![Alcohol Level Tester]()
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![Alcohol Level Tester]()
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In this circuit LM3914, bar graph decoder IC is used to drive output, the alcohol sensor MQ3 is used to sense the alcohol intensity, and the output signal is fed into LM3914 bar graph decoder input pin. Here the output is indicated through a different color LED, this circuit works on a +5V power supply, the sensitivity level can be varied by a variable resistor.
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Alcohol Level Tester
Available:In Stock
- Product SKU: LGKT064
₹ 499
₹ 599
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Warehouse Details:
Specification
Description
This Alcohol Level Tester is made of high-quality material. It is a very useful circuit for testing whether a driver is drunk or not. The alcohol sensor circuit is easy to use, inexpensive and indicates various levels of alcohol consumption through LEDs.In this circuit LM3914, bar graph decoder IC is used to drive output, the alcohol sensor MQ3 is used to sense the alcohol intensity, and the output signal is fed into LM3914 bar graph decoder input pin. Here the output is indicated through a different color LED, this circuit works on a +5V power supply, the sensitivity level can be varied by a variable resistor.
Block Diagram
Physical Attributes
- Dimensions (cm) L x W x H : 20 x 15 x 5
- Weight (gm): 200
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