In this post I have explained how to increase or extend the range of an ordinary infra red or IR remote control through a 433MHz RF remote control system. IR […]
New Circuit Projects
Introduction to I2C LCD Adapter Module
In this post we are going take a look at “I2C” or “IIC” or “I square C” based LCD adapter module, which will reduce wire connections between Arduino and LCD […]
Simple Transistor Diode Tester Meter Circuit
In this post I have explained how to make a simple yet efficient transistor/diode tester circuit, that will not only test the quality of a BJT, but will also help […]
3D Moon-Sphere LED Driver with Charger and Dimmer Circuit
In this post I have explained how to build a homemade LED driver with dimmer and charger circuit for illuminating a 3D moon from a 5V USB source. The idea […]
How to Make a RFID based Attendance System
In this post I will show how to construct a RFID based attendance system, which can record attendance of 12 students / staffs for a given time window and this […]
Arduino Automatic School/College Bell System
In this post I will show how to construct an automatic school bell/college bell system using Arduino, 16 x 2 display and real time clock module. You can program this […]