In this post we present 3 circuit ideas for creating beautiful Christmas tree light decorations. The first idea explains a transistorized flashing blinking LED string light which can be mounted […]
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Simple Timer Circuit Using IC 4060
In this post we learn how to build a simple yet accurate timer circuit using the IC 4060 and some ordinary passive components. Main Advantage of using IC 4060 as […]
Adjustable Timer Circuit Using IC 555
IC 555 adjustable timer explained here can be adjusted from any time delay 1 second to 3 hours for operating any load through a relay control The produced time delay […]
Highly Sensitive Mobile Phone Detector Circuit
A cellphone or mobile phone detector is actually a high gain op amp amplifier which detects slightest of RF disturbance from a mobile phone, and illuminates an LED. NOTE: This […]
GSM Based Cell Phone Remote Control Switch Circuit
This circuit will allow you to control any electrical gadget from any part of the world through your cellphone remotely, that too without spending a penny for the individual commands. […]
AC Motor Speed Controller Circuits using Back EMF
In this post we discuss a few circuit diagrams for building AC motor speed controller circuits using back EMF concept. Working Principle of AC Motors All household appliances like electric […]