Autonomous Mobile Robot (Part 2): Software & Operation
kibalo_pt2_tombot

I designed a microcontroller-based mobile robot that can cruise on its own, avoid obstacles, escape from inadvertent collisions, and track a light source. In the first part of this series, I introduced my TOMBOT robot’s hardware. Now I’ll describe its … Continue reading

From the IBM PC AT to AVRs & Arduinos (CC 25th Anniversary Preview)
CC25-Nisley3-arduino

During the last 25 years, hundreds of the world’s most brilliant electrical engineers and embedded developers have published articles in Circuit Cellar magazine. But only a choice few had the skill, focus, creativity, and stamina to consistently publish six or … Continue reading

Q&A: Andrew Spitz (Co-Designer of the Arduino-Based Skube)
SkubeInside

Andrew Spitz is a Copenhagen, Denmark-based sound designer, interaction designer, programmer, and blogger studying toward a Master’s interaction design at the Copenhagen Institute of Interaction Design (CIID). Among his various innovative projects is the Arduino-based Skube music player, which is … Continue reading

Debugging USB Firmware
axleson-usb-268

You’ve written firmware for your USB device and are ready to test it. You attach the device to a PC and the hardware wizard announces: “The device didn’t start.” Or, the device installs but doesn’t send or receive data. Or, … Continue reading

DIY Green Energy Design Projects
RL78sunchaser

Ready to start a low-power or energy-monitoring microcontroller-based design project? You’re in luck. We’re featuring eight award-winning, green energy-related designs that will help get your creative juices flowing. The projects listed below placed at the top of Renesas’s RL78 Green … Continue reading