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New Circuit Projects

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

Last Updated on December 5, 2024 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

Customized Water Flow Controller with Timer Circuit

Last Updated on January 27, 2019 by Swagatam 10 Comments

waterflowcontrollercircuit

In this article I have explained a customized water flow controller circuit with timer.he idea was requested by Mr. Daljeet Singh Sokhey. Technical Specifications Right now I am working on a different project and would like your help. There are 2 inputs and both must remain high for a period of 30 seconds for the […]

Filed Under: Timer and Delay Relay Tagged With: Controller, Customized, Flow, Timer, Water

Blinking an LED with Delay – Arduino Basics

Last Updated on December 5, 2024 by Swagatam 4 Comments

arduino sketch

Here I have explained the bare minimum code for compiling an Arduino and also the method of blinking an LED using an Arduino board. Learning the Bare Basics Here we discus and try to understand the fundamental minimum code that one would need to compile an “Arduino Sketch” which consists the setup()method and the loop()method. […]

Filed Under: Arduino Projects Tagged With: Arduino, Basics, Blinking, Delay, LED

Electronic Scoreboard Circuit Using IC 4033 Counter

Last Updated on January 3, 2024 by Swagatam 12 Comments

simple4033counterscoreboardcircuit

A simple multi-digit electronic score board system can be built using a basic 4033 IC counter circuit. The whole procedure is explained in the following article. So far we have learned quiet a lot about this interesting IC 4033 through the following posts that have comprehensively discussed the pinouts and cascading procedures of the chip. […]

Filed Under: Games and Sports Projects Tagged With: 4033, Counter, Electronic, Scoreboard

Treadmill Motor Speed Controller Circuit

Last Updated on January 3, 2025 by Swagatam 356 Comments

In this post I have explained a simple, accurate, high torque treadmill motor speed controller circuit which may be effectively installed in similar units for acquiring PWM controlled variable speed feature. The idea was requested by Mr. Samuel. Technical Specifications I’ve a treadmill whose power failed completely…it had been imported from china and it’s like […]

Filed Under: Motor Controller Tagged With: Controller, Motor, Speed, Treadmill

Operating Single Rice Bulb Lamp with 220V AC

Last Updated on June 20, 2019 by Swagatam 12 Comments

In this post I have explained a simple 220V mains operated transformerless single rice bulb power supply circuit, which may be used for illuminating electronic rice lamp diyas replacing traditional oil lamp type diyas during festivals or for decorating sacred idols. The idea was requested by Ms. Rashmi. Technical Specifications I want to make a rice […]

Filed Under: Power Supply Circuits Tagged With: 220V, Bulb, Lamp, Operating, Rice, Single

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