Category: electrical engineering

How to control a Solenoid Valve with Arduino

Simple Wireless Power Transmission Circuit to Glow an LED
The Wireless Electricity Transfer concept is not new. It was first demonstrated by Nikola Tesla in the year 1890. Nikola Tesla introduced electrodynamics induction or resonant inductive coupling by lighting up three light bulbs from the distance of 60 feet from the power source. We have also built a Mini Tesla Coil to transfer the energy.

Check out the circuit here:

Different Types of Transformers and Their Applications
A transformer is a widely used device in the electrical and electronics domain. It is an electromagnetic device which follows the basic principle of electromagnetism discovered by Michael Faraday. We have covered about Transformers construction and operation in detail in previous tutorial. Here we will cover different types of transformers used in different types of applications. However, all types of transformers follow the same principles but they have different construction method.

read the complete tutorial:

Brushed vs Brushless Motors

The requirement for DC motors differs from one application to the other, as one application may require more torque and reduce speed while another may require more speed and reduced torque, thus DC motors are sometimes classified by sales folks based on this.
read the full tutorial on motors:

What is an Inductor?

Learn the basics and working of inductors in the below linked article:

What is PWM

While ADC is used to read Analog signals by a digital device like microcontroller. A PWM can be considered as an exact opposite of it, PWM is used to produce Analog signals from a digital device like microcontroller. In this article we will learn about what is PWM, PWM signals and some parameters associated with it, so that we will be confident in using them in our designs.

Learn about the PWM signals, here:

2212 Brushless Motor

2212 (BLDC) BRUSHLESS DC MOTOR is a high speed
brushless motor designed specifically for Quadcopters, Drones or toy
planes. The motor is OUTRUNNER type where outside case rotates while
inside stays fixed. It is one of popular model in the market because
it’s low cost. It is preferred for small drones and planes. The model is
available in different speeds and should be chosen appropriately.

Frequency Measurements In Ed’s November article he described how an Arduino-based tester automatically measures a resonator’s frequency response to produce data defining its electrical parameters. Here, he examines the results of those measurements and delves into variable series capacitance as … Continue reading

from Circuit Cellar

Wearable devices put extreme demands on the embedded electronics that make them work. Devices spanning across the consumer, fitness and medical markets all need a mix of low-power, low-cost and high-speed processing.     MCUs & Analog ICs Meet Needs … Continue reading

from Circuit Cellar

Fidget Spinner Electricity Generator

In this project, we are going to build a simple generator using an electromagnet and a fidget spinner to understand the concept of the electric generator.