Oyvind Dahl send in his Retro iPhone dock project. There are very comprehensive writeup of his build on his Blog here as well as in the video embedded above.
I wonder what he has in mind with those Vacuum tubes?
Well worth checking out the other parts of his site as well as there is a wealth of information for beginners, including PCB design and Soldering tutorials.
Thanks to Tucker Merrick for submitting this one: The Picsu, the brainchild of Tucker’s brother, is a power supply which is small enough to fit in the drive bay of a standard PC tower case and features a serial port that allows you to control the voltage and current output by the supply via your favourite terminal application.
I have to say, this is a great idea for those of us (like me) who have limited desk space. These would also be a good idea for school/college E.E labs.
The Kickstarter project page for this can be found here. At the time this was written, they has $932 raised. Any help the wider community could give here would be very much appreciated.
Nick Jakubowski over at Circuit Specialists has submitted an article outlining the main characteristics of stepper motors and how they work. Read on for the full article below.
Continue reading Contributed Article: Seven Characteristics of Stepper Motors