Arduino Uno MQ-3 Alcohol Sensor – Connection Diagram Now that we knowhow the MQ-3 alcohol sensor works, we can connect all necessary wires to an Arduino Uno and see how it functions. We'll start with the analog component and then go on to the digital part, which is pretty simple. To...
I am Puneeth. I love tinkering with open-source projects, Arduino, ESP32, Pi and more. I have worked with many different Arduino boards and currently I am exploring, Arduino powered LoRa, Power line communication and IoT.
This is an advanced alcohol detector using the Arduino Uno board. Using the LCD display, we can display whether the system has detected alcohol or not. Once the alcohol is detected, it is displayed on an LCD. The buzzer indicates the presence of alcohol. This breath analyzer project is very...
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arduino lcd arduino-nano motor-driver irsensor smoke-sensor alcohol-sensor Updated Feb 11, 2022 C++ kreshnnn / 8051-Microcontroller-based-Alcohol-Detector-with-Buzzer Star 0 Code Issues Pull requests An 8051 Microcontroller-Based Alcohol Detection System using an MQ3 sensor and buzzer was dev...
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you in gaining some good knowledge and understanding of the project. Furthermore, if you have any queries regarding this article and onelectrical and electronic projects, you can comment in the below section. Here is a question for you: How to find a Co2 and O2 level using MQ135 Arduino?
Working of Alcohol Detector circuit The voltage output of the alcohol detector unit is converted into a digital format using the ADC0804 (IC1). The Vref/2pin of the ADC is held at 1.28V using the voltage divider network made of R14 and R15. Vref/2=1.28V means the step size of the AD...