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Useful Projects (81)

Browse through a total of 81 useful projects and electronic software that can enhance your activity.

Weekly Roundup – Top Links for the 2nd Week of November 2017

Adam Carlson - 11/10/17

From the Editor I must apologize for the late release of the weekly report this week.  I was [...]

Building a DIY LED Ring for DSLR Camera

Enrico Miglino - 11/06/17

LED Ring for a DSLR Camera For me, when I start a new project, I am not interested [...]

USB Power Testing With an Arduino Controlled Dummy Load Project

T.K. Hareendran - 11/01/17

One part that I find myself using somewhat regularly in microcontroller-based experiments is the “USB power bank” that [...]

Weekly Roundup – Top Links for the 4th Week of October 2017

Adam Carlson - 10/26/17

Editor’s Note This week, I had the wonderful problem of having too much material to share in the [...]

Build Your Own Smart Bike Battery Gauge

T.K. Hareendran - 09/14/17

So you’d kind of like to know when the battery in your bike is getting a bit flat, [...]

Creating an Interleaved PWM Generator With an Arduino

T.K. Hareendran - 08/08/17

Pulse-width modulation (PWM) is the ground for control in power electronics. The vast majority of semiconductor power devices [...]
Prusa I3A Plus

Prusa I3A Plus Review and Assembly Tips

Enrico Miglino - 06/06/17

In the past, I tested several 3D printers models in the range for personal use, i.e.the classic desktop [...]
good bad egg

Compact Egg Candler Circuit

T.K. Hareendran - 05/19/16

An egg candler is a simple device used for testing incubating eggs to determine if they are viable [...]
Single Pushbutton Latching Relay Engine Start Circuit

Single Pushbutton Latching Relay Engine Start Circuit

Jim Keith - 10/03/15

Small engines often have two pushbuttons: A start pushbutton to operate the starter motor and a stop pushbutton [...]
usb condom circuit

DIY USB Condom Circuit

T.K. Hareendran - 04/14/15

In a commercial manner, "usb condom" is a security device for preventing data theft through universal serial bus [...]
logic level shifter circuit

Bidirectional Logic Level Converter Circuit

T.K. Hareendran - 02/21/15

Often, it becomes necessary to interface an existing or new 5V AVR / PIC / MCU project to [...]

Automatic Hand Dryer Circuit

T.K. Hareendran - 12/16/14

Now and again ardent hobbyists looking to add something special and individual to their rest room/bathroom want an [...]
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