Engineering Projects For You

Engineering Projects For You

Free engineering project ideas, circuit diagrams and software codes for students and hobbyists. Complete instructions on DIY electronic devices. EFY tested circuits with source codes.

Multi-channel Hardware Driver for Embedded Systems

Introduction The real world embedded systems are controlling DC motors, step motors, electromagnetic relays, incandescent lamps, powerful LEDs, displays, inductors, transformers, long cables, etc.On the market we can find large variety of...

Simple Universal AC Or DC Amplifier with OPA452/OPA453 And Transistors

Introduction During the experiments with loudspeakers, systems with loudspeakers, transformers, public announcement systems, audio distribution lines and amplifies, etc, we are in need of audio amplifier capable of providing more than 60Vpp...

Designing An Accurate Temperature-Monitoring System

Modern electronic systems use sensors to monitor parameters like temperature and provide protection from excessive temperature excursions with good accuracies, reasonable costs and often with low power consumption. For instance, expensive...

Wi-Fi Controlled Robot Using Arduino UNO And Blynk

Control your Robot from anywhere using the ARMA IoT shield for UNO and the Blynk App which provides the user interface.Overview Simple WiFi Controlled Robot Using ARMA IoT and Blynk!This project uses...

Time-Lapse Photography With Raspberry Pi 3

This project aims at developing a simple time-lapse photography device with Raspberry Pi 3 and Pi camera.To get the most out of nature without tiring yourself, time-lapse photography is the best...

Converting the Stereo Audio Distribution Buffer into Stereo Audio Distribution Amplifier

The stereo audio distribution buffer published on page 94 of July 2013 Edition of EFY can be converted easily into stereo audio distribution amplifier.That will add gain and will give new...

Dual Universal Hardware Driver for Embedded Systems

IntroductionThe embedded systems should drive different peripheral devices requiring significant electrical power.A typical case is the DC motors, operating from 6V, 12V and 24V.These motors may require up to 3A average...

Electromagnetic Compatibility: Grounding (Part 3 of 5)

In the previous parts we covered multi-layer PCB designing. Now, let us look at grounding or earthing. Grounding can be defined as a connection, whether intentional or accidental, between an electrical circuit...

Low cost High Impedance Buffers for Oscilloscopes and Voltmeters

Introduction Most of the low cost digital oscilloscopes and voltmeters have input resistance around 1MOhm and input capacitance around 100pF.But in many case we are in need of input resistance above 10MOhm...

Two-Watt TBA820M AF Amplifier

Here is a simple AF amplifier project based on TBA820M IC. This amplifier can deliver two-watt output power with 8-ohm speaker using a 12V power supply. A 3-16V battery or an AC/DC...

LATEST POSTS

High-Temperature Silicon Power Switches Enhance Reliability In Motorcycles And Industrial Applications

New Delhi, January 20, 2017 -- High-temperature Silicon-Controlled Rectifiers (SCRs) from STMicroelectronics allow manufacturers of voltage regulators,...

This Gadget Stops Distracted Driving

Distracted driving takes place when a driver partakes in other activities, which deviates his/her attention from the...

Some Techniques For Lowering Power Consumption

While very-large-scale integration (VLSI) and complementary metal oxide semiconductor (CMOS) technologies have had an exponential growth, energy-storage...

Flying Drones Can Be Great Fun

Drones, also known as unmanned aerial vehicles, were originally developed for military purposes. These are aerial vehicles...

The Roof Computing

Roof is a federated networking and computational paradigm for the Internet of Things (IoT) that is always...