The TSOP17XX series ICs are special infrared sensor devices built for responding to specific range of infrared frequencies and convert it into an electrical pulsed output. It thus features a […]
Stepper Motor Driver Circuit using IC 555
In this project we are going learn how to make a simple unipolar stepper motor driver circuit using 555 timer IC. Apart from 555 timer we also need IC CD […]
PIR Triggered Message Player Circuit
In this post we diagnose a PIR activated message player circuit, which was sent by Mr. Norman Kelley one of the dedicated followers of this blog for improvements. Let’s learn […]
10 Stage Sequential Latch Switch Circuit
In this post we learn how to make a 10 step sequentially switching latch circuit which is used for switching ON 10 high power amplifiers sequentially. The idea was requested […]
Clap Operated Toy Car Circuit
In this post we study how to make a simple clap operated toy car circuit using a clap switch circuit and a MIC amplifier, to control its forward and reverse […]
Automatic Food Warmer Lamp for Hotels
The post discusses a simple food warmer lamp timer circuit for restaurants and hotels which can be used for automatically switching OFF the lamps after a predetermined time whenever the […]