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Newly Updated Circuit Projects:

RC Helicopter Remote Control Circuit

Last Updated on July 6, 2019 by Swagatam 22 Comments

remote6channel

In this post I have explained a simple RC helicopter remote control circuit using 433kHz RF modules, without any microcontroller or complex joystick implementations. The idea was requested by Mr. Jitendra. Circuit Objectives and Requirements I am making a large scale RC helicopter. In which I am using 4 motors. For 1st main 12v motor: […]

Filed Under: Remote Control Circuits Tagged With: Control, Helicopter, RC, Remote

Ultrasonic Smart Automatic ON/OFF Switch Circuit

Last Updated on January 8, 2024 by Swagatam 13 Comments

smarton off

In this article we are going to build a smart automatic ON/OFF switch using Arduino, which can turn on or off gadgets automatically by sensing the presence of human nearby through the concept of ultrasonic. We are going to use ultrasonic module and Arduino to sense the presence of human which activates the gadgets such […]

Filed Under: Remote Control Circuits Tagged With: Automatic, OFF, ON, Smart, Switch, Ultrasonic

6 watt Audio Amplifier Circuit Using TDA1011

Last Updated on May 15, 2026 by Swagatam 15 Comments

A very simple yet useful 6 watt audio amplifier circuit using IC TDA1011 is explained in the following article, which can be built by new hobbyist and used for amplifying music from different sources such as cellphones, FM radios, doorbell etc. By:Dhrubajyoti Biswas. A monolithic integrated audio amplifier circuit TDA1011 is especially used for recording […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Audio, TDA1011, Watt

Ultrasonic Distance Meter Circuit Using 16 x 2 LCD

Last Updated on May 14, 2026 by Swagatam 3 Comments

LCD bb

In this article I will show how to construct an ultrasonic distance meter circuit using Arduino and 16 x 2 LCD. We are also going to see what an ultrasonic module is, how it works and how it can be used to measure distance. What is ultrasonic? An average healthy human being can hear frequencies […]

Filed Under: Arduino Projects Tagged With: 16x2, Distance, LCD, Meter, Ultrasonic

Motorized Sun Shade Circuit

Last Updated on June 30, 2026 by Swagatam 33 Comments

In this article I have explained regarding a motorized sun shade circuit which can be used for achieving an automatic motorized extension and retraction of sun shades or hoods. The idea was requested by Mr. Sriram KP Circuit Objectives and Requirements I have made wireless water tank controller with manual on-off switch, automatic steps light, […]

Filed Under: Motor Controller Tagged With: Motorized, Shade

Simplest Quadcopter Drone Circuit

Last Updated on January 2, 2024 by Swagatam 111 Comments

In this article I have explained the basics of quadcopter body assembly using aluminum pipes and bolts, in the later sections of the article we will also discuss regarding a simple drone circuit which could be use for flying a small drone assembly without depending on complex microcontrollers. A quadcopter is perhaps the simplest flying […]

Filed Under: Remote Control Circuits Tagged With: Drone, Quadcopter, Simplest

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