The 5 simple fastest finger first indicator circuits presented here can be used for indicating which candidate was the first to press the answer button out of the 4 participating candidates in a quiz contest. We all have probably seen the famous game show “who wants to be a millionaire” and many similar quiz shows, […]
Games and Sports Projects
Electromagnetic Levitation Circuit [Anti-gravity]
In this post I have explained how to build an electromagnetic levitation circuit which can imitate an anti-gravity phenomenon by ensuring that an iron object remains pulled above the ground by an electromagnet, so that it does not stick to the electromagnet, rather keeps floating between the electromagnet tip and the ground. Basic Working Principle […]
LED Timer Indicator Circuit for Board Games
In this article I have explained a simple LED indicator timer circuit which can be used with board games for indicating the elapsed time or the time consumed by the player to complete his or her turn. The idea was requested by Mr. Shane Robins. Technical Specifications Hope all is well with you. I am relatively new […]
Electronic Scoreboard Circuit Using IC 4033 Counter
A simple multi-digit electronic score board system can be built using a basic 4033 IC counter circuit. The whole procedure is explained in the following article. So far we have learned quiet a lot about this interesting IC 4033 through the following posts that have comprehensively discussed the pinouts and cascading procedures of the chip. […]
Tennis Ball Throwing Machine Circuit
In article below explains the control circuit for an automatic tennis ball throwing machine, designed to throw a tennis ball through a mechanized catapult machine, controlled with powerful motors. In this article I have explained the motor control circuit which will toggle the catapult mechanism back and forth, with a 2 second time interval, while […]