In this article I will be discussing a list of simple 12V battery charger circuits which are very easy and cheap by its design yet extremely accurate with its output voltage and current specs. All the designs presented here are current controlled meaning their outputs will never go beyond a predetermined fixed current level. UPDATE: […]
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BJT 2N2222, 2N2222A Datasheet and Application Notes
This article explains the main specifications, pinouts and application related information regarding the transistor NPN BJT 2N2222, 2N2222A, and also its complimentary PNP pair 2N2907 BJT Introduction In one of my earlier posts I have explained regarding a few low signal type of transistors like BC547, BC557 etc. Here we are going to study the […]
How to Configure Resistors, Capacitors and Transistors in Electronic Circuits
In this post we try to evaluate how to configure or connect electronic components such as resistors, capacitors withing electronic circuits through correct calculation Kindly read my previous post regarding what is voltage and current, in order to grasp the below explained basic electronic facts more effectively. What is a Resistor – It is an […]
How to Understand and Use white LEDs – Datasheet
If you are wondering how to correctly use white LEDs in circuits so that they can be illuminated safely without damaging, then this post might help you to evaluate the same. Introduction White LEDs are the future lighting solutions for our cities and homes. They will be easily replacing the traditional CFL and other flurescent […]
How to Build a Pyro-ignition Circuit – Electronic Pyro Igniter system
The following conversation was made by Mr.Tom and me regarding the circuit idea of a pyro-iginition system. I was asked to design the particular circuit idea by Mr.Tom in Fiverr.com. Technical Specifications The discussion explains the details of his requirement and how it was almost fulfilled by me Hi Swagatam, I was wondering if you […]
Transistor Relay Driver Circuit with Formula and Calculations
In this article we will comprehensively study a transistor relay driver circuit and learn how to design its configuration by calculating the parameters through formulas. Importance of Relay Relays are one of the most important components in electronic circuits. Especially in circuits where high power transfer or mains AC load switching is involved, relays play […]