//**This is the code for the MQ3 sensor when interfaced with arduino and the readings are shown in the LCD display connected with I2C Converter ...

ultrasonic sensor value in lcd display with arduino ultrasonic sensor value in LCD display with Arduino code: // C++ code // include the library code: #include // initialize the library with the ...

It can display up to 32 characters at a time. Each character segment is made up of 40 pixels that are arranged in a 5x8 matrix. We can create alphanumeric characters and customs characters by ...

In this Arduino Alcohol Detector Shield we have used a MQ3 sensor to detect present alcohol level in the breath. A 16x2 LCD is used for displaying the PPM Value of alcohol.

Here we discussed about MQ3 Alcohol Sensor's Pinout, Working Principle, Circuit Diagram, etc. Also you will get to know how to use MQ3 sensor with Arduino to detect alcohol ...