How to use infrared music transmitter and receiver

This is a simple infrared based music transmitter and receiver kit. There are two kits, one kit is the infrared music transmitter and the other is the infrared receiver with a basic LM386 based audio amplifier. You keep the transmitter and the receiver in a line of sight and connect the transmitter to an audio […]

How to use digital clock DIY kit

In this video, I have described how the digital clock DIY kit works. This is a simple DIY digital clock kit for beginners. It is based on AT89C2051-24PU. It has basic functions like hour and minute display, minute and second display and 2 alarms set up. There is a buzzer which works like an alarm. […]