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Newly Updated Circuit Projects:

Incubator Reverse Forward Motor Controller Circuit

Last Updated on June 30, 2026 by Swagatam 18 Comments

incubatortimerreverseforwardmotor

In this post I have explained a reverse forward timer circuit for operating an incubator motor mechanism with a preferred set of movements. The idea was requested by Mr. Anwar Technical Specifications I am from Indonesia….. I Need Schematics For Incubator Timer with High Torque Motor (DC Motor Power Window in Car). I am trying […]

Filed Under: Motor Controller Tagged With: Controller, Forward, Incubator, Motor, Reverse

Blinking an LED with Arduino – Complete Tutorial

Last Updated on June 1, 2026 by Swagatam 2 Comments

a 2

The post comprehensively discusses a basic Arduino code implementation guide for blinking its on-board LED. The data was built, tested, and written by Jack Franko.   CODE: for simply inbuilt LED on pin 13 of ARDUINO BOARD by default it is programed to blink frequently at 50 Mili Seconds  as it in description it will […]

Filed Under: Lamps and Lights Tagged With: Arduino, Blinking, Complete, LED, Tutorial

SPDT Solid State DC Relay Circuit using MOSFET

Last Updated on December 21, 2021 by Swagatam 122 Comments

100ampssr

In this post we’ll study a simple high current mosfet based SPDT DC relay, which can be used in place conventional bulky SPDT mechanical relays. The idea was requested by Mr. Abu-Hafss. Working Concept A simple high current SPDT solid state DC relay or a DC SSR can be constructed using a couple of mosfets […]

Filed Under: Inverter Circuits Tagged With: DC, MOSFET, Relay, Solid, SPDT, State

Morse Code Flasher Circuit for Lighthouse

Last Updated on August 2, 2020 by Swagatam 9 Comments

MORSECODETIMERCIRCUIT

In this post I have explained a simple morse code lamp flasher circuit which may be used for model lighthouse signalling applications. The idea was requested by Mr. Frank Gardner.  Technical Specifications I am in need of a unique flashing circuit. I have built several exact scale models of the light house at Yerba Buena […]

Filed Under: Sensors and Detectors Tagged With: Code, Flasher, Lighthouse, Morse

Solar Cellphone Charger Circuit

Last Updated on January 8, 2024 by Swagatam 9 Comments

cellphonechargerfromlaotpbatt

The article comprehensively discusses a MPPT based smart solar cell phone charger circuit. The idea was requested by one of the avid readers of this blog. Technical Specifications I am an electric and electronics final year student. My final year project title is smart solar charger for cellular phones. i was hoping sir can help […]

Filed Under: Solar Controller Circuits Tagged With: Cellphone, Charger, Solar

Charging a Cellphone battery with a Laptop Battery

Last Updated on May 17, 2026 by Swagatam 5 Comments

cellphonechargerfromlaotpbatt 1

The post presents a simple circuit that may be used for charging a cellphone battery with a laptop battery. The idea was requested by Mr. Gyashuddin. Recharging Cellphone Battery with Laptop Battery hello sir my self md gyashuddin I want to know that it is passible to built a circuit which can ,recharge my cell […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Cellphone, Charging, Laptop

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