A visitor counter is a machine that counts the of number people who visited a place. Visitor counters are usually installed at the entrance and exit points of commercial buildings such as shopping malls, theme parks, museums, Airports, schools, departmental shops and other business etc. The registered counts on the machine are used for business […]
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0 to 99 Digital Pulse Counter Circuit Diagrams
The proposed 00-99 digital pulse counter circuit becomes very handy in places where you need to keep the people organized in some specified order. Operating details of the digital counter As may be referred the circuit employs the popular 555 IC to genearte the pulse clocks. The pulse counting is done with the help of […]
How to Cascade IC 4033 in Multiple Digit Counter Display
In this article I will comprehensively explain how to cascade many 4033 ICs together for driving multiple 7 segment counter displays. In one of my previous articles I have uniquely explained the role of pin#3 and pin#4 which become crucial when the IC 4033 are intended to function for driving multiple displays. Multiple Digit Display […]
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. […]
Pressure Cooker Whistle Counter Circuit
This circuit is designed to sense the whistles from a pressure cooker and count the number over a digital display. The system relieves the user from the stress of constantly monitoring the cooker and from manually counting the whistles. The idea was requested by Mr. P.K. Bajpai Design Concept In many of the Asian countries […]
3 Simple Frequency Counter Circuits Discussed
In this post we are going learn how to construct 3 different frequency counter circuits using ordinary components and ICs which will showcase the measured frequency on 7 segment displays. The first circuit which uses 4026 ICs can measure frequencies up to 1 MHz and the circuit is user calibrated. We will Learn About: Block […]