Issue 260: Creativity in Design
Balancing robot design (Source: Hanno Sander CC260)

The seed for the interview with Hanno Sander on page 16 (Circuit Cellar March 2012) was sown at the 2008 Embedded Systems Conference in San Jose, CA. Hanno was at the Parallax booth demonstrating his “Dancebot,” which is a Propeller-based, … Continue reading

audioXpress: HP456A Current Probe Restoration
The restoration is finished and ready for cover installation (Soure: Bill Reeve AX 2/12)

Retro electronics (or “retronics”) projects are growing in popularity. Across the globe, professional engineers and DIYers alike are tweaking, updating, and hacking retro systems to create all sorts of innovative designs. Restoring and upgrading an old electronics tool, MCU-based design, … Continue reading

Issue 259: Innovation in Wireless Technology
Clayton Gumbrell's mbed-based QRSS-Rx

The topic of wireless communication is more relevant than ever. The technology is used everywhere from vehicles to hospitals to consumer electronics to military systems. Therefore, electronics engineers around the world are devoting their careers to innovating technologies to meet … Continue reading