UniPowerSupply – an LM2576 based design

I ordered boards to test a new power supply design.  It’s based around the National Semiconductor LM2576.  This accepts 7v to 40v as input and uses switching to produce a stable 5v output. One of the things that became apparent to me as I worked on TinyTimer and TinyPLC is that a USB power input […]

TinyTimer KickStarter Edition is code complete

I wrapped up the code for TinyTimer KickStarter edition.  This completes the project and paves the way for units to ship.  It has several unique features that are missing from similar units on the market.  These features include: Arduino IDE compatible for education and hacking OpenSource Hardware design with Eagle files available. Push Button programming […]