In this project we are going to construct an air pollution meter using MQ-135 sensor and arduino. The pollution level in the air is indicated by series of 12 LED. […]
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Arduino based DC Voltmeter Circuit – Construction Details and Testing
In this post, we are going to construct a DC voltmeter using Arduino where the readings are displayed in 16×2 LCD. The proposed voltmeter design can read up […]
Password Security Lock Circuit Using 4×4 Keypad and Arduino
In this post we are going to construct a password security lock circuit, which can be accessed by a 6-digit password. To be more precise it is alpha numeric password. […]
How to Interface 4×4 Keypad with Arduino
In this post we are going to learn how to interface a 4×4 keypad with Arduino. We are going to see what is a keypad, how it is constructed and […]
How to Make a Simple Math Calculator using Arduino
In this post, we are going to construct a calculator using Arduino, which can perform far complex arithmetical calculation than an ordinary calculator. The motto of this post is not […]
Arduino IR Remote Control Circuit
In this post we are going to construct a customizable Arduino based IR (infrared) based wireless remote control switch, which consists of IR remote and a receiver, you may modify […]