Here a simplest yet quite accurate inductance meter is presented, which can be built within few minutes. Furthermore, the circuit can be powered-up with a single 1.5V cell. However, a frequency meter would be required to work-out the inductance. Designed and Presented by: Abu-Hafss Using Cross-Coupled NPN BJTs The circuit is pretty straight forward wherein, […]
Simple
Simple Digital Water Flow Meter Circuit using Arduino
In this post I will show how to construct a digital water flow meter using Arduino and 16 x 2 LCD display. We will be taking a look at YF-S201 water flow sensor, its construction and working and how to interface with Arduino to extract some useful readings. The proposed project can measure the rate […]
Simple Capacitive Discharge Ignition (CDI) Circuit
In this post I have explained the circuit for a simple, universal capacitive discharge ignition circuit or a CDI circuit using a standard ignition coil and a solid state SCR based circuit. For an audio/video explanation, you can watch the following video representation: How Ignition System in Vehicles Work The ignition process in any vehicle […]
2 Simple RF Detector Circuits Explored
In this article I have explained a couple of very easy to build RF detector circuits, which can be used to sense or detect or sorts of Rf electrical noise that may be floating in the surrounding atmosphere. What is RF RF stands for radio frequency, which is a kind of electrical interference transmitted in […]
How to Design Simple LED Driver Circuits
In this article I have explained how to design your own customized, simple LED driver circuits at home. We will learn how to calculate specific LED configurations for applying the LEDs with appropriate LED driver power supplies. In these driver power supplies I have explained two concepts one by using SMPS boards and the other […]
Simple IC 4017 Circuits
The IC 4017 is a versatile counter divider IC which can be applied for making many different interesting electronic circuits. In this post I have explained about a few useful yet simple 4017 IC circuits and projects, assorted and compiled from this blog. How to Understand IC 4017 Pinouts Before we delve into the many […]





