22 Jul '16, 11pm

Super In-Depth $15 Curve Tracer Project

Super In-Depth $15 Curve Tracer Project

[Jason Jones] has always wanted a curve tracer for his home shop. When he was starting out in electronics he fell in love with a machine called a Huntron Tracker 2000. This machine would feed a sine wave into a circuit on one side and plot a XY graph on the other. [Jason] figured that with a modern microcontroller such a device could be build simply and cheaply for around $15 dollars. With that requirement in mind he set out to build it. He selected a PIC24F16KM202 for the brain and got to work. The write-up is really great. It’s rare that someone puts every step of their development and design thinking into writing. Some have argued that this is the only true way to have an OSHW hardware project . The series covers everything from the initial requirements and parts selection to the software development and eventual testing of the device. [Jason] managed to build a pretty ...

Full article: http://hackaday.com/2016/07/22/super-in-depth-15-curve-tr...

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Super Cheap Super Simple DRO

hackaday.com 24 Jul '16, 5pm

If you have an old manual lathe, mill, or even a drill press, a digital readout (DRO) is a very handy tool to have. A DRO ...