110V Compact LED Tubelight Circuit

Nov 29, 2013

The article explains a simple single IC LED tube ligt circuit applicable for 110V/120V AC inputs. The circuit uses 30 numbers of 1 watt LEDs, and also includes a voltage and current control features.

1.25V to 120V Mains Adjustable Voltage Regulator IC TL783 Datasheet - Circuit Diagram

Nov 27, 2013

The TL783 is a variable three lead mains voltage regulator having an output range of 1.25 V to 125 V and a
DMOS output transistor which is able to handle in excess of 700 mA current.

Converting Analogue to Digital (Analogue Read Serial) - Arduino Basics

Nov 26, 2013

In this Arduino basics we try to understand the code implementation procedure wherein an external analogue signal is fed to the Arduino analogue input and translated or converted into a correspondingly proportionate digital readout. Here we employ a variable resistance in the form of a pot as the analogue signal source.

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

Nov 25, 2013

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.

Customized Water Flow Controller with Timer Circuit

The article discusses a customized water flow controller circuit with timer.he idea was requested by Mr. Daljeet Singh Sokhey.

Blinking an LED with Delay - Arduino Basics

Nov 23, 2013

Here we learn the bare minimum code for compiling an Arduino and also the method of blinking an LED using an Arduino board.

Making an Electronic Scoreboard Using IC 4033 Counter Circuit

Nov 21, 2013

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.

Treadmill Motor Speed Controller Circuit

Nov 20, 2013

In this post we discuss 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.

Single Rice Bulb Lamp 220V/120V Power Supply Circuit

Nov 18, 2013

The post explains 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.

1 to 10 minutes Timer Circuit with LED Display Indicator

Nov 16, 2013

The post narrates a simple yet highly accurate adjustable 1 to 10 minute timer circuit with display. The idea was requested by one of the dedicated readers of this blog.

Automatic Submersible Water Pump Controller Circuit

Nov 15, 2013

The post explains a simple water level controller circuit applicable for automatic toggling of two submersible water pumps alternately in response to a predetermined water level switching. The entire circuit is built using just a single IC and a few other passive parts. The idea was requested by one of the interested members of this blog.

How to Cascade IC 4033 in Multiple Digit Display Circuits

Nov 14, 2013

The article comprehensively explains the how to cascade many 4033 ICs together for driving multiple 7 segment displays.

Home EMF Radiation Protector Neutralizer Circuit

Nov 12, 2013

The post investigates a circuit which can be used for negating or neutralizing the everlasting harmful low frequency EMFs created from our mains power line in our homes. The idea was requested by one of the interested readers of this blog.

IC 4033 Pinouts, Datasheet, Application Explained

The IC 4033 is another Johnson decade counter/decoder IC specifically designed for working with 7 segment displays. Basically it’s a clock or pulse counter IC which responds to positive pulses at its clock input and decodes it serially to produce a directly readable display of the count number through the connected 7 segment display module. 

IC 4043 Datasheet, Pinouts Explained

Nov 11, 2013

The post discusses the pinout function and other important specifications of the IC 4043. Let's learn about the complete datasheet of this very interesting chip.

Week Day Programmable Timer Circuit

Nov 10, 2013

The post explains a couple of interesting timer circuits customized as per individual requirements. The first one is a kind of week/day programmable timer circuit for actuating a motor for a predetermined time only during certain selected days of the week, while the second timer circuit is for alerting a lecturer regarding the finish of the allotted time of his/her class period. The ideas were requested by Mr. Stevan and Mr Ilman respectively.

Automatic Soldering Iron Power Shut OFF Circuit

Nov 6, 2013

The post discusses a simple automatic soldering iron power shut off timer circuit which ensures that the iron is always switched OFF even if the user forgets to do the same during the course of this routine electronic assembly job work. The idea was requested by Mr. Amir

Automatic Transfer Switch (ATS) Circuit

Nov 2, 2013

In this article we investigate an ATS circuit for initiating an automatic changeover from mains supply to generator supply through many intermediate transfer stages which involves activating the fuel valve, choke valve and the generator starter. The circuit was requested by Mr. Hari, and another dedicated reader from this blog.

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