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You are here: Home / Archives for 4017 IC Circuits

Patient Drip Empty Warning Indicator Circuit

Last Updated on July 6, 2019 by Swagatam 33 Comments

In this post we will learn about a simple mechanism, and a circuit which will enable a patient’s IV drip bottle system to sound an alarm whenever it gets almost […]

Filed Under: 4017 IC Circuits, Security and Alarm

Using TSOP17XX Sensors with Customized Frequencies

Last Updated on August 3, 2019 by Swagatam 11 Comments

The TSOP17XX series ICs are special infrared sensor devices built for responding to specific range of infrared frequencies and convert it into an electrical pulsed output. It thus features a […]



Filed Under: 4017 IC Circuits, Infrared (IR), Sensors and Detectors

Stepper Motor Driver Circuit using IC 555

Last Updated on September 16, 2019 by Swagatam 17 Comments

In this project we are going learn how to make a simple unipolar stepper motor driver circuit using 555 timer IC. Apart from 555 timer we also need IC CD […]

Filed Under: 4017 IC Circuits, 555 IC Circuits, Motor Controller

PIR Triggered Message Player Circuit

Last Updated on July 6, 2019 by Swagatam Leave a Comment

In this post we diagnose a PIR activated message player circuit, which was sent by Mr. Norman Kelley one of the dedicated followers of this blog for improvements. Let’s learn […]

Filed Under: 4017 IC Circuits, Home Electrical Circuits, PIR (Passive Infrared)

10 Stage Sequential Latch Switch Circuit

Last Updated on July 6, 2019 by Swagatam 7 Comments

In this post we learn how to make a 10 step sequentially switching latch circuit which is used for switching ON 10 high power amplifiers sequentially. The idea was requested […]

Filed Under: 4017 IC Circuits, Audio and Amplifier Projects

Clap Operated Toy Car Circuit

Last Updated on July 25, 2019 by Swagatam 9 Comments

In this post we study how to make a simple clap operated toy car circuit using a clap switch circuit and a MIC amplifier, to control its forward and reverse […]

Filed Under: 4017 IC Circuits, Sensors and Detectors



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