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Newly Updated Circuit Projects:

Automotive Sensor Substitute Circuit Diagram

Last Updated on May 16, 2026 by Swagatam Leave a Comment

This innovative Automotive Sensor Substitute Circuit explained in this article was thoughtfully designed and contributed by one of our passionate readers, Mr. August Peterson, who is an avid electronics enthusiast. It is a great pleasure to feature his creative work on this platform and I extend my heartfelt gratitude for his generous effort in sharing […]

Filed Under: Automobile Electronics Tagged With: Automotive, Sensor, Substitute

Automotive Sensor Monitor Circuit Diagram

Last Updated on May 16, 2026 by Swagatam 2 Comments

This fascinating Automotive Sensor Monitor Circuit was created and shared with me for publication by a devoted reader of this blog and passionate electronics enthusiast, Mr. August Peterson. I sincerely appreciate Mr. August’s valuable and generous contribution to this site. Overview Automotive diagnostic code readers are invaluable in displaying what the vehicle electronic control unit […]

Filed Under: Automobile Electronics Tagged With: Automotive, Monitor, Sensor

Simple Boost Converter Circuit Diagrams using Transistors

Last Updated on January 27, 2025 by Swagatam 2 Comments

boost converter working model

In this post I have explained a few very simple boost converter circuits using only BJTs, or transistors. Let’s learn more. What is a Boost Converter A DC boost converter circuit is designed for stepping-up or boosting a small input voltage levels to a desired higher output voltage level, hence the name “boost” converter. Since […]

Filed Under: Voltage Control and Protection Tagged With: Boost, Converter, Diagrams, Simple, Transistors

Furnace Vent Controller Circuit Diagram

Last Updated on January 17, 2025 by Swagatam Leave a Comment

This interesting furnace vent controller circuit was designed and submitted to me for publication by a dedicated reader of this blog and a keen electronic enthusiast Mr. August Peterson. I am extremely thankful to Mr. August for his very useful and generous contribution to this site. Here’s the email sent by him, with the technical […]

Filed Under: Temperature Controllers Tagged With: Controller, Furnace, Vent

TV Antenna Amplifier Circuit Diagram to Boost TV Signal Reception

Last Updated on May 15, 2026 by Swagatam 17 Comments

The following useful circuit of a TV antenna amplifier was sent to me by an avid reader of this blog Mr. Miljenko Farkas. I am extremely grateful to him for his kind contribution to this site. Here’s what he wrote in his email: Overview So this antenna amplifier is made to really enhance how well […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Antenna, Boost, Reception, Signal, TV

Simple Remote Controlled Curtain Open/Close Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 23 Comments

remote controlled curtain open close circuit diagram

In this article I will explain a simple curtain controller circuit designed by me which can be used to control the opening and closing of a curtain through a remote control. Overview Referring to the circuit diagram in your screen, we can see there are just two relays employed for implementing a remote controlled opening […]

Filed Under: Remote Control Circuits Tagged With: Close, Controlled, Curtain, Open, Remote, Simple

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