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1 to 10 minutes Timer Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 26 Comments

Simple Frequency Counter Circuit Diagram

The post narrates a simple yet highly accurate adjustable 1 to 10 minute timer circuit with display. The idea was requested by one of the dedicated readers of this blog. Technical Specifications I am trying to build a circuit to help me with giving speeches. I have a bunch of parts already and I would […]

Filed Under: Timer and Delay Relay Tagged With: Minutes, Timer

Control Two Submersible Pumps Alternately

Last Updated on June 20, 2019 by Swagatam 31 Comments

submersiblewaterpumpcontrollercircuit

In this post I have explained a simple water level controller circuit applicable for automatic toggling of two submersible water pumps alternately in response to a predetermined water level switching. The entire circuit is built using just a single IC and a few other passive parts. The idea was requested by one of the interested members of […]

Filed Under: Water Controller Tagged With: Alternately, Control, Pumps, Submersible

How to Cascade IC 4033 in Multiple Digit Counter Display

Last Updated on July 13, 2024 by Swagatam 9 Comments

cascadingIC4033circuit

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 […]

Filed Under: Electronics Theory Tagged With: 4033, Cascade, Counter, Digit, Display, Multiple

Home EMF Radiation Protector Neutralizer Circuit

Last Updated on October 25, 2024 by Swagatam 41 Comments

EMFradiationneutrilizercircuit

The post investigates a circuit which can be used for negating or neutralizing the everlasting harmful low frequency EMFs created from our mains power line in our homes. The idea was requested by one of the interested readers of this blog. Technical Specifications I’m trying to find a device or plans to build a device […]

Filed Under: Home Electrical Circuits Tagged With: EMF, Home, Neutralizer, Protector, Radiation

IC 4033 Pinouts, Datasheet, Application

Last Updated on February 28, 2023 by Swagatam 4 Comments

IC4043pinoutdatasheet

In this article I have explained the main features, specifications and datasheet of the IC 4033 through a detailed technical analysis. Electrical Characteristics How IC 4033 Works The IC 4033 is another Johnson decade counter/decoder IC specifically designed for working with 7 segment displays. Basically it’s a clock or pulse counter IC which responds to […]

Filed Under: Datasheets and Components Tagged With: 4033, Application, Datasheet, Pinouts

Understanding IC 4043B, IC 4044B CMOS Quad 3-State R/S Latch – Working and Pinouts

Last Updated on January 9, 2024 by Swagatam 14 Comments

IC 4043 dtasheet pinout

In this post I have explained the pinout function and other important specifications of the IC 4043. I have explained about the complete datasheet of this very interesting chip. Pinout Datasheet of IC 4043 Technically the IC 4043 is a quad set/reset (R/S) latch with 3 logic state output. To be more precise this chip […]

Filed Under: Datasheets and Components Tagged With: 4043B, 4044B, CMOS, QUAD, State, Understanding

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