Weekly Roundup – Top Links for the 3nd Week of October 2017

This week's weekly roundup covers world wide celebrations, radar, temperature logging, how to use shielded inductors, and design applications that can help your design.


T.K. Hareendran - 07/08/2016

Every non-battery-powered electronic device requires converting offline ac power to some dc voltage for powering electronics. Nowadays, efficient [...]
Solar Window Charger Schematic

Solar Window Charger Circuit

T.K. Hareendran - 06/30/2016

Solar window chargers have several advantages when compared with other charger types. You can stick this DIY solar [...]
bbc microbit front

BBC micro:bit product review

Enrico Miglino - 06/16/2016

While almost all of the electronic distributors, hobbyist sites, and online electronic shops have the BBC micro:bit available [...]
555 flood alarm

Basement Flood Alarm Circuit

T.K. Hareendran - 06/11/2016

Even though floods don't always rate high on our list of concerns, if we get an early warning [...]
555 radio beacon

Build Your Own Radio Beacons

T.K. Hareendran - 05/30/2016

A radio beacon is a wireless device that marks a fixed location and allows direction-finding equipment to locate it. It transmits a continuous or periodic radio signal with limited information content — for example, its [...]
good bad egg

Compact Egg Candler Circuit

T.K. Hareendran - 05/19/2016

An egg candler is a simple device used for testing incubating eggs to determine if they are viable [...]

How to Play with Thermocouples

T.K. Hareendran - 05/10/2016

Whether you are building a temperature-sensing device or need to bring temperature-sensing capabilities to an existing system, you [...]
Camera Remote Control

Layman’s Camera Remote Control

T.K. Hareendran - 05/06/2016

It’s sensible to use a remote control when your camera is mounted on a tripod, especially when you [...]
diodes scr

Selecting Semiconductor Components For Prototype Design

Terence Thomas - 04/29/2016

Whether you design circuits as a hobby or high-tech computer devices for a living, your biggest concern is [...]
resonant filter

Filters Tutorial

Terence Thomas - 04/24/2016

If you work with audio circuits but are not getting the desired results, you may need to add a filter to your project. A device may not work for a number of reasons, including your [...]
webcam illuminator circuit

Webcam Sight Illuminator Circuit

T.K. Hareendran - 04/19/2016

Setting up a webcam sight illuminator over your laptop's webcam will certainly “enlighten” your online conversations. This compact [...]
microcontroller power supply circuit

Smart Power Supply for Microcontroller Projects

T.K. Hareendran - 04/06/2016

A good, reliable and easy to use dc power supply is probably the most important thing for every [...]
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