DIY Internet-Enabled Home Control System
Photo 2: The completed board, which is based on a Renesas Electronics YRDKRX62N demonstration kit. (Photo courtesy of Michael Thomas)

Why shell out hundreds or thousands of dollars on various home control systems (HCS) when you have the skills and resources to build your own? You can design and implement sophisticated Internet-enabled systems with free tools and some careful planning. … Continue reading

CC264: Plan, Construct, and Secure
John Breitenbach's DIY leak-monitoring system

Circuit Cellar July 2012 features innovative ideas for embedded design projects, handy design tips with real-world examples, and essential information on embedded design planning and security. A particularly interesting topic covered in this issue is the microcontroller-based home control systems … Continue reading

Tech Highlights from Design West: RL78, AndroPod, Stellaris, mbed, & more
RenesasRL78Wireless1

The Embedded Systems Conference has always been a top venue for studying, discussing, and handling the embedded industry’s newest leading-edge technologies. This year in San Jose, CA, I walked the floor looking for the tech Circuit Cellar and Elektor members … Continue reading

Living & Working Off the Grid
Three panels are wired in series and run into the MPPT controllers. Their capacity is 170 W each, 510 W total, to charge the batteries and put off running the generator. (Source: George Martin CC218)

Interested in engineering your own solar panel system installation? If so, you’ve likely begun researching photovoltaic technology, construction materials, and test equipment on the Internet. Have you been satisfied with the information you’ve found? Probably not. There’s simply a scarcity … Continue reading

Radiant Floor Heating Zone Controller Project
HeatZoneController

Even if you aren’t interested in designing a radiant floor zoned heating system, you can study this innovative project and apply what you learn to any number of building control and automation applications. Dalibor Zaric’s Radiant Floor Heating Zone Controller … Continue reading