In this post I have explained how to build a simple remote controlled game scoreboard circuit with two digits for facilitating the user a hassle free changing of the digits remotely, during a game or a match. The idea was requested by Mr. Richard. Circuit Objectives and Requirements For our co-ed volleyball game we use […]
Newly Updated Circuit Projects:
How to Make a Shake Powered Flashlight Circuit with Magnets and Coils
In this post I have explained a shake powered flashlight circuit using an simple copper coil and a magnet. The idea was requested by Mr. Dennis Bosco Demello The Design Electromagnetism was proved way back in 1873 my Maxwell, and later by Faraday, and amazingly the technology still forms the backbone of all the major […]
What’s Internal Resistance of Battery
In this post we try to investigate internal resistance of battery and try to learn the critical characteristics involved with this battery parameter. What’s Internal Resistance of Battery The internal resistance (IR) of a battery is basically the level of opposition to the passage of electrons or current through the battery in a closed loop. […]
Laptop Anti-theft Security Alarm Circuit
In this post I have explained a simple laptop anti-theft alarm circuit which can used with any concerned object such as a laptop which needs to be protected, when an intruder tries to approach the unit or makes an attempt to steal it the connected alarm is instantly raised. The idea was requested by one […]
Programmable Diesel Generator Timer Circuit
In this post I have explained a simple yet accurate programmable diesel generator timer circuit which can be used for achieving discretely programmable ON/OFF timing sequence for the connected diesel generator set. The idea was requested by Mr. Raj Kumar Mukherji. Technical Specifications Happy new year and hope you are fine. There is a request […]
Timer Circuits with Auto Pause and Memory During Power Failures
In this post we try to investigate a couple of innovative solutions which could be used for pausing the counting process of a timer IC during power failures, and also restart the process when mains is restored, ensuring a continuous functioning of the timer without errors. The idea was requested by Mr. Arun Dev. Technical […]