Archive for July, 2007

LM555 Night Light

Brandon adds a LM555 and some LEDs to his toddler’s glow-in-the-dark headboard. Now his son has a beautiful night light that is on when he needs it and automaticaly turns off when he sleeps.
This article was submitted by Brandon Uhlig as part of the “Hobby parts for articles ” program. Let Brandon know that you […]

uC Meets BJT

How to use low amperage microcontroller signals to control high current devices. Eric explains how to use transistors to get from the logic of a microcontroller to the power needs of a motor.
This article was submitted by Eric Wolf as part of the “Hobby parts for articles ” program. Eric receives a Modern Device Company […]

Identifying Electronic Components

How-to identify and locate information for electronics components you can recycle from discarded gadgets. Brandon gives us example pictures and descriptions for most types of electronics components to help you stock up your home electronics lab. This is a must read for new electronics hobbyist.
This article was submitted by Brandon Uhlig as part of the […]

Submitted Article Update

The Arduino compatible kit for an article program is going well. We have a bunch of great articles which will be posted at about one article a week. Maybe we should up that a bit. The authors are anxious to see their articles published. Thank you for the great submissions.

We should send out a bunch […]

Arduino LCD Interfacing Part 1

I have scrounged up several LCD displays and wanted to use one with the Arduino. At the very least I wanted to test the displays. For future projects with the Arduino having a LCD display could be very handy so for this reason it is a good first project as well.

Unfortunately interfacing an LCD uses […]

Arduino Breadboard

Here is a truly barebones Arduino setup. Just the Arduino chip and a few support parts. This has to be close to the simplest and lowest cost way to play with microcontrollers. The only special parts are the resonator and the Mega168 programmed with the Arduino boot loader. Everything else you should already have […]