How to Find the Value of Resistor for different types of LED’s Circuits The following step by step tutorial will help you to find the proper value of resistor (or resistors) for one or more LED’s  and LED’s strings circuits to connect with battery and power supply. If you pick t

Basic Electrical Wiring Installation Diagrams & Step by Step Guides Basic Electrical Home Wiring Diagrams & Tutorials Different Types of Electrical Wiring Systems and Methods of Electrical Wiring Installation Electrical Wiring Color Codes for AC &  DC – NEC & IE

Basic “How to” Electrical & Electronics Engineering Tutorials How to Test a Capacitor by Digital & Analog Multimeter – 6 Methods. How to Test a Diode using Digital & Analog Multimeter – 4 Ways. How to Check a Transistor by Multimeter (DMM+AVO) – NPN & PNP

  230 V 50Hz AC (or 110V 60Hz) Main Operated LED Powerful NIGHT LAMP Circuit Diagram.Please Note That if you want to make this circuit at home, then read carefully all the instructions.Also, If you have plane to use this Circuit on 110V 60Hz instead of 230V, 50Hz, or want to modify thi

LED String / Strip Circuit Diagram Using PCR-406 It is a very interesting circuit of blinking/dancing and flashing LED String / Strip. Any one can make it at home as it is very simple and the basic components can be found at any electronic components shop. This LED strip/string circuit (dan

How to Find the Base, Collector, Emitter, Direction & Condition of Transistor by Multimeter How to remember the direction of PNP and NPN Transistor & Pin Identification, Check if it is Good or Bad. The following basic tutorial based on using digital (DMM) or analog (AVO) multimeter

How to Calculate the Charging Time and Charging Current for Battery Charging? Easy Battery Charging Time and Battery Charging Current Formula for Batteries. (With Example of 120Ah Battery). In the following simple tutorial, we will show how to determine the suitable battery charging curren

Basic Spool Generator / Alternator Model Requirements: Insulated copper wire around 26 SWG 400 turns (you may also use 35 SWG) Neodymium strong magnets Plumbing tape spool 2 Safety pins or paper clip (same size) Straw pieces LED Rubber piece Straw pieces Procedure: Turn 400 turns of

A Very Simple Generator / Alternator (Dynamic Model from Trash) This is very simple Dynamic Model of Electrical Generator / Alternator to understand the working principle of Generator. We connected An LED as a load to the Generator Output. When you spin the armature ( Cycle spoke or Steal

Generator From Motor. Very Basic Model. Here we used two 12 Volts toy/ Old Tap-recorder Motors(From trash). One as a Motor ( Turbine) and other one as a Generator/alternator. A white LED is connected as a Load to the Generator Output. Note That this is seems to be a Motor-Generator Set, but

Basic Model of Hydroelectric Power Station with Turbine. (Modal) Requirements: Spoon 12 number A toy car tire large size A toy car or tape recorder motor (as a generator) Wood with stand Metal strip Glue AVO meter LED Note: you can make a water tank or flow of water system to rotate the

Basic Electronic Project – Automatic Street Light Control System  Here is our new simple Electrical/Electronics project about Automatic Street Light Control System for students and hobbyists. Features: It is a simple and powerful concept, which uses transistor (BC 547 NPN) as a swi

Electrical Wiring Installation of the Distribution Board with RCD (Single Phase Home Supply from Utility Pole & Energy Meter to the Consumer Unit) What is Distribution Board? Distribution board is a safe system designed for house or building that included protective devices, isolator s

Installation of 1-Phase Energy Meter | 1-Φ, 2-Wires Electric Meter for 230V & 120V/240V AC Mains Supply & Service (From the Power Supply to The Main Distribution Board (MDB) & Load Centers according to NEC & IEC) In the following step by step meter installation guides, we wi

How to Wire a Light Switch? Controlling a Lamp by Single Way Switch In today’s basic home electrical wiring installation tutorial, we will show how to wire a light switch to control a light point using one way or single way switch. We will use the basic SPST (Single Pole Single Throw

Controlling of Each Lamp by Independent Single way Switch in Parallel Lighting Circuit? In today basic home electrical wiring installation tutorial, we will show how to wire and control each lamp independently by using separate single way switches in parallel lighting connection. Below is a

3-Way & 4-Way Switching Connections – Electrical Wiring Diagrams What is 2-Way & 3-Way Switching Circuits? Three-way switching or (Four-way circuits in the US) connection is used to control electrical appliances and equipment like fan, lighting points etc. from more than two

Controlling a Lamp from Five or Six Locations using 4-Way Switches (US) or Intermediate Switches (3-Way) in EU. In today’s basic home electrical wiring installation tutorial, we will show how to wire and control a light point from six different places by using two, 2-way switches and

Installation of 3-Phase Energy Meter | 3-Φ, 4-Wires Electric Meter 400V & 120V/208V/240V/277V/347/480 & 600V AC Mains Supply & Service (From the Power Supply to The Main Distribution Board (MDB) & Load Centers according to NEC & IEC) In the following step by step meter i

Automatic Inverter / UPS System Connection & Wiring Circuit Diagram Introduction to Automatic Inverter / UPS Wiring Power failure and emergency breakdown may happen any time due to short circuit, damage to electric transmission lines, substations or other parts of the distribution sys