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Newly Updated Circuit Projects:

SMS Based Laser Security Circuit

Last Updated on September 11, 2019 by Swagatam 36 Comments

blockdiagram

In this post, I will show how to construct a laser security circuit which can send SMS alert to owner of the property or anyone else and activate loud alarm to deter the crook, which can be interfaced via relay. We always fear about crooks especially when we leave our property alone, this where security […]

Filed Under: Security and Alarm Tagged With: Based, Laser, Security, SMS

LPG Leakage SMS Alert using MQ-135 – Get Warning Message in your Cellphone

Last Updated on September 11, 2019 by Swagatam 4 Comments

GSM

In this article I will show how to construct an GSM based LPG leakage SMS alert circuit using Arduino, which alerts the recipient via SMS and surrounding people via beep, when LPG gas leaks out from the LPG cylinder or if there’s leakage due to improperly closed valve. Using MQ-135 as the Sensor We are […]

Filed Under: Sensors and Detectors Tagged With: 135, Alert, Leakage, LPG, MQ, SMS

Rotating LED Chakra Circuit for God Idols

Last Updated on September 5, 2019 by Swagatam 18 Comments

rotating chakra using LEDs

LED Chakra is an ornamental lighting system which depicts or imitates a rotating wheel like appearance, by means of sequentially shifting Illuminated LED arrays. Indian subcontinent is a land of festivals and celebrations which mostly start from the month of August and continues until the New Year. All these festivals have one fundamental thing in […]

Filed Under: Lamps and Lights Tagged With: Chakra, Idols, LED, Rotating

Make this Voltage Stabilizer Circuit for Your Car

Last Updated on August 31, 2019 by Swagatam 51 Comments

carvoltagestabilizercircuit

In this post I have explained about a car voltage stabilizer circuit which could be made and installed in all cars for ensuring a perfectly controlled and stabilized supply for the associated sensitive electronics and gadgets. Understanding Car Electrical A car electrical is probably more volatile than our house electrical, simply because it is generated […]

Filed Under: Automobile Electronics Tagged With: Stabilizer, Voltage

Key Finder or Pet Tracker Circuit

Last Updated on August 30, 2019 by Swagatam 69 Comments

Rx

Pets and kids (under 4) have one thing in common, they are curious by nature and love venturing into unknown zones ending up in some sort of mess or trouble. Pet or kid tracker equipment which are quite similar to a key finder circuit were specifically designed for solving this issue, here I have explained […]

Filed Under: Security and Alarm Tagged With: Finder, Tracker

How Wireless Power Transfer Works

Last Updated on August 29, 2019 by Swagatam 41 Comments

wireless2Bpower2Btransfer 1

Wireless power transfer is a process in which electrical energy is transferred from one system to another system through electromagnetic waves without using wires or any physical contact. In this post I have explained regarding how wireless power transfer works or the transfer of electricity through air without using wires. You might have already come […]

Filed Under: Electronics Theory, Power Supply Circuits Tagged With: Power, Transfer, Wireless, Works

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