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

Propeller-Based Gaming Platform
Propeller-based gaming platform (Source: Chris Cantrell CC260)

The March 2012 issue—which the editorial department is now finishing up—features an in-depth article about Chris Cantrell’s Propeller-based gaming platform. As you’ll learn, the replacement circuit board has five switch pads. A yellow conductive button is mounted, and the casing … Continue reading