Tag Archives: design

Sorry, no chat window overlay, it got corrupted. Mostly almost 2 hours of Q&A, so a good one to listen to instead of watching. Just start watching when you hear something interesting happen!, like when Dave opens up his 1980’s vintage LED clock project. Podcast: Download

Dave describes the design of his open source hardware µCalc credit card sized calculator / computer. (NOTE: Not to be confused with the program uCalc www.ucalc.com) Specifications: PIC 24F 16 bit Processor, 256KB Flash, 16KB SRAM, 64KB serial flash user memory, 3-Axis tilt sensor, Micro SD card, capacitive touch sensing …

A presentation by DJ Delorie called Soup to Nuts with Free Software. It highlights the current state of free open source software for end-to-end engineering and personal use. Operating systems, EDA tools, office tools etc Recorded at the Renesas Devcon 2010 event. Podcast: Download

The announcement of the Renesas RX Design Contest at Devcon 2010. Dave makes a BIG appearance about half way through. http://www.renesasrulz.com/community/rx-contest Podcast: Download

Dave takes you step-by-step through designing a DC-DC converter using the venerable MC34063. And then he build it and checks the performance. An online calculator is here: http://dics.voicecontrol.ro/tutorials/mc34063/ Podcast: Download