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Modify Human Speech with this Digital Voice Changer Circuit

Last Updated on May 15, 2026 by Swagatam 24 Comments

voicechangercircuit

In this post I have explained a voice modulator circuit which will change or transform an individuals unique voice into a completely new form. The new voice will be different to the original voice tone and unrecognizable. The Circuit Concept The characteristic tone of  every individuals voice is specifically unique in all circumstances. How often […]

Filed Under: Audio and Amplifier Projects Tagged With: Changer, Digital, Human, Modify, Speech, Voice

Digital Theremin Circuit – Make Music with your Hands

Last Updated on May 15, 2026 by Swagatam 7 Comments

theremin block

Named after its creator, the theremin originated in the Soviet Union in the beginning of 1920’s. This comprised of a container installed with a couple of antennas. It did not have any keyboard to play, no strings like in guitars. Rather, the theremin made use of human body capacitance to manipulate the volume and the […]

Filed Under: Audio and Amplifier Projects Tagged With: Digital, Hands, Music, Theremin

Arduino Digital Clock Using RTC Module

Last Updated on May 14, 2026 by Swagatam 5 Comments

P 20160813 150716

In this post I will show how to construct a digital clock using RTC or Real Time Clock module. We will understand what “RTC” module is, how to interface with Arduino and what it does. By: RTC module is a circuit, which keeps track of current time accurately. It does two functions, it communicates with […]

Filed Under: Arduino Projects Tagged With: Arduino, Clock, Digital, Module, RTC

Digital Weighing Scale Using Load Cell and Arduino

Last Updated on May 14, 2026 by Swagatam 10 Comments

Circuit

In this post I have explained about strain gauge based load cell. We will be exploring what Strain Gauge is, what Load Cell is, temperature effect on strain gauge, temperature compensation with Wheatstone bridge and Load cell amplifier HX711, and finally I have explained how to build an Arduino based weighing scale machine by implementing […]

Filed Under: Arduino Projects Tagged With: Arduino, Cell, Digital, Load, Scale, Weighing

Digital Clock Circuit Using 16 x 2 LCD Display

Last Updated on May 14, 2026 by Swagatam 6 Comments

P 20160419 235234

In this post I have explained how to make a simple digital clock using Arduino and a 16 x 2 LCD display. Introduction As an electronics enthusiast at a stage we would have thought, how to make a digital clock, especially who are interested in the field of digital electronics. In this article we are […]

Filed Under: Arduino Projects Tagged With: 16x2, Clock, Digital, Display, LCD

Monitoring State of a Switch (Digital Read Serial) – Arduino Basics

Last Updated on May 14, 2026 by Swagatam Leave a Comment

a 1

This Arduino basics discusses the method of implementing a code through which the ON or OFF state of an external push-button could be read or monitored within the Arduino. Digital Read Serial Here I have explained through an example how to monitor the state of a switch by performing serial communication across your Arduino and your PC via USB. In excess to your […]

Filed Under: Arduino Projects Tagged With: Digital, Monitoring, Read, Serial, State, Switch

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