12V Battery Checker Circuit

Automatic light activated switch circuit

The circuit can be used for switching OFF a particular lamp or group of lamps in response to the varying ambient light levels. The unit once... Baca selengkapnya »

Eight Band Sub-Woofer Graphic Equaliser

Your sub is installed and set up as best you can, but you can't quite get it to sound right. Some frequencies are too prominent, while o... Baca selengkapnya »

Fluorescent Tube Basics

While they have been with us for many years, fluorescent lamps remain somewhat mysterious to most people. This isn't really surprising, ... Baca selengkapnya »

Ballast and Starter Fluorescent Lamp

Installation of fluorescent lamp circuits, we can see that most of the foot fluorescent lamp mounted in series with the ballast and partly i... Baca selengkapnya »

TDA2050 Power Amplifier Circuit

High output power, low distortion, power amp for HiFi and high class TV sets. Maximum output at 4 ohm speaker is 35 watts, while the 8 ohm ... Baca selengkapnya »

LNB Cable Data Transceiver Circuit

This circuit was designed and used to transmit commands over LNB coaxial cable. An LNB (or LNC) is a low-noise block downconverter typically... Baca selengkapnya »

500Watt Power Amplifier Circuit

In this post I will publish the circuit schematic diagram of Power Amplifier with 500watt output mono, yesterday happened to date July 18, 2... Baca selengkapnya »

Car Wiper Control Using 555 PCB

Circuit In rainy seasons, it is very annoying that wiper of your car wiping instantly all the time. Have you ever think of speed control of ... Baca selengkapnya »

Circuit Diagram of Remote Control Tester

Here is an infrared remote control tester circuit that can be made without spenting much money.This IR tester build around an infrared recie... Baca selengkapnya »

230V Flasher Circuit

This circuit operates with 230v.you can use this circuit to decorate your parties.I think this will be a wonderful circuit to you all. Here ... Baca selengkapnya »

20 Watt Class A Power Amplifier Circuit

A single-ended Class-A amplifier is essentially one where there is only one active driven output device. The passive "load" may be... Baca selengkapnya »

Miniature Circuit Breaker

Miniature Circuit Breaker or MCB What is MCB ? Nowadays we use more commonly Miniature Circuit Breaker or MCB in low voltage electrical ne... Baca selengkapnya »

Practice for power system protection

Code of practice for power system protection 01 The entire wiring of circuitry for indications, alarms, metering and protection should be p... Baca selengkapnya »

Substation Layout

Electrical Bus System & Substation Layout Electrical Bus System There are many different electrical bus system schemes available but se... Baca selengkapnya »

Electrical Isolator in Substation

Electrical Isolator or Electrical Isolation Switch Definition of Isolator Circuit breaker always trip the circuit but open contacts of break... Baca selengkapnya »

Electrical Substation

Electrical Power Substation Engineering Electrical Substation Now days the electrical power demand is increasing very rapidly. For ful... Baca selengkapnya »

Losses in Transformer

Losses in Transformer As the electrical transformer is a static device, mechanical loss in transformer normally does not come into picture.... Baca selengkapnya »

Open Circuit Test and Short Circuit Test in Transformer

Open Circuit Test and Short Circuit Test on Transformer These two tests are performed on a transformer to determine (i) equivalent circuit o... Baca selengkapnya »

Resistance and Leakage Reactance of Transformer or Impedance of Transformer

Resistance and Leakage Reactance of Transformer or Impedance of Transformer Leakage Reactance of Transformer All the flux in transformer wil... Baca selengkapnya »

Three Phase Transformer

Three Phase Transformer Comparison between single Three Phase transformer and bank of three Single Phase transformers for three phase syst... Baca selengkapnya »