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Programming Pro-mini Using Uno

Arduino pro-mini has the following features: It is incredibly small. It is handy. Easily programmable. Perfectly fit for portable applications since it uses low power(3.3 V). It has 14 I/O pins. For programming the...


Arduino Breathalyzer

Here  we will use  MQ-3 sensor. This  sensor  sensitive to alcohol, particularly ethanol, which is the type of alcohol which is found in wine, beer, and liquor. This type of sensor circuit can be...