Buy the print and get FREE access to our online edition!

G. Y. Xu

G.Y.'s Articles

Follow The Flashlight Evolution
February 2008
During recent years, with the advent of white LEDs, the ubiquitous household item — the traditional incandescent flashlight — is experiencing radical changes. It caught my attention when I noticed the many benefits LEDs can bring about; especially their energy-saving efficiency and the much brighter luminous intensity....

The AVR HyperTerm
February 2005
Are you looking for a programmer that fits in your wallet? It’s here! Figure 1 shows a tiny device programmer that is only the size of a business card, but can be used to program Atmel’s many AVR microcontrollers (MCUs).

Programming The 54¢ Micro
February 2006
We all know that a microcontroller (MCU) is much more complicated than a single TTL logic IC, such as the 7400-series gates. And so it’s no surprise that an MCU was much more expensive than a chip of “glue logic.” But things have changed recently. MCU prices are falling into the same range as TTL gates.

Chip Music Composing Simplified
May 2006
Use a microcontroller to produce the frequencies needed to play specific musical notes and generate their tones.

Wall-Wart-Less AVR Programmer User/Maker
February 2007
This powerful tool now boasts new features that will make users and programmers lives easier!