IC 4047 Datasheet, Pinouts, Application Notes

Sep 30, 2013

The IC 4047 is one of those devices which promises an unlimited range of circuit application solutions. The IC is so versatile that on many occasions it easily outsmarts it's close rival, the IC 555, let's study the datasheet and pinout details of this versatile chip.

Driving Three Phase Motor on Single Phase Supply - Circuit Diagram

Sep 27, 2013

Driving a three phase motor on a single phase supply directly through ordinary methods can be difficult and dangerous. It requires accurately designed circuits for implementing the operations. Here I have tried to present one such PWM controlled three phase motor driver circuit. Let's learn more.

Lead Acid Battery Charging, Maintenance Tips

Sep 26, 2013

The post discusses some of the crucial parameters related to lead acid battery charging, maintenance tips for ensuring longer life to the device. The questions were asked by Mr. Raja Gilse, answered by me.

Simple Electronic Load Controller (ELC) Circuit for Hydro Power Systems

Sep 24, 2013

The post explains a simple electronic load controller or governor circuit which automatically regulates and controls the rotational speed of a hydro electric generator system by adding or deducting an array of dummy loads. The procedure ensures a stabilized voltage and frequency output for the user. The idea was requested by Mr. Aponso

I/V Tracker Circuit for Solar MPPT Applications

Sep 19, 2013

Optimizing power by tracking is the key feature which makes solar MPPT concept so unique and efficient, where the complex and non-linear I/V curve of the solar panel is tracked and switched for creating maximum optimal conditions for the connected load.

Incremental Conductance Type Solar MPPT Battery Charger Circuit - MPPT Simulator

Sep 16, 2013

A straightforward incremental conductance "type" of solar MPPT charger circuit is explained here. The idea was requested by Mr. Enos.

Single Phase Variable Frequency Drive VFD Circuit

Sep 15, 2013

Motors and other similar inductive loads specifically do not "like" operating with frequencies that might be not within their manufacturing specs, and tend to become a lot inefficient if forced to under such abnormal conditions.

Mosfet Protection Basics Explained - Is your Mosfet Smoking?

Sep 12, 2013

Even after connecting everything correctly you find the mosfets in your circuit becoming HOT and blowing off within minutes. This is quite a common issue faced by most new as well as experienced hobbyists while designing and optimizing mosfet based circuits especially the ones which involve high frequencies.

Double Battery Charger Circuit from a Single Power Supply

Sep 9, 2013

The following article explains a simple automatic double battery charger circuit from a single power supply. The idea was suggested by "Superbender"

Connecting Voltage Regulators 78XX in Parallel for Higher Combined Current Output

Sep 7, 2013

Voltage regulator chips mostly have their maximum current output specs fixed to some predetermined levels. Increasing them to a higher level would normally call for external out board transistors and complicated associated circuitry which might be difficult to configure for the new hobbyists. Putting a few of them in parallel, possibly solves the problem.

5630 SMD LED Driver/Tube light Circuit

Sep 5, 2013

The post explains a simple transformerless SMD 5630 type LED tube light circuit which can be built by anybody for illuminating home interior cheaply. The idea was requested by Mr. Smeet.

Half-Bridge Mosfet Driver IC IRS2153(1)D - Pinouts, Application Notes Explained

The IC IRS2153(1)D which is fundamentally a half bridge mosfet driver chip can be actually used for a number of different interesting circuit applications such as boost converters, solar compact inverters, and if two of them are coupled can be even configured as a full bridge mosfet driver circuit. Let's learn more about this interesting device.

Three Phase Signal Generator Circuit from a Single Phase Source

Sep 4, 2013

Many a times we find it crucial and handy to possess a true three phase signal for evaluating many different electronic configurations such three phase inverters, three phase motors, converters etc.

Homemade Inductance Meter Circuit

Sep 3, 2013

The article discusses a simple yet accurate, wide range inductance meter circuit. The design utilizes only transistors as the main active components and a handful of inexpensive passive components.

Making a Parasite Zapper Circuit

Sep 1, 2013

An interesting electronic parasite zapper circuit shown below was successfully built and tested by my friend Mr. Steven. Let's learn more about the proposed circuit.
 

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