Alcohol Level Tester
₹999 – ₹1,399
- Product Code: LGKT064
- Power supply: No battery included, Includes DC adapter if required with the kit
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This is a very useful circuit for testing whether a driver is drunk or not. The circuit is easy to use, inexpensive and indicates various levels of alcohol consumption through LEDs.
In this circuit LM3914 bar graph decoder IC used for to drive output, the alcohol sensor MQ3 used for to sense the alcohol intensity and the output signal fed into LM3914 bar graph decoder input pin. Here the output is indicated through different colour LED, this circuit works on +5V power supply, the sensitivity level can be varied by variable resistor.
- Dimensions (cm) LxWxH: 20 x 15 X 10
- Weight (kg): 0.8