Ferdinand Keil's

electronic notes

Articles in the "Elektronik" category

Nov 03, 2012

Simple Task Scheduler for Microcontrollers

For a project I'm currently working on I need to write a (at least for me) fairly complex firmware. The code I used in the last version of this circuit grew out of a test program and became unmaintainable. So I looked around for some inspiration and found Alan Burlison's …

Sep 05, 2012

Teardown of a cheap rotary encoder

For my humidor controller project I recently ordered cheap Chinese rotary encoders via eBay. Before I used the Noble RE0124PVB17, but they were out of stock just as I needed more. As I didn't want to spend much more than 50ct per piece I had to turn eBay for cheap …

May 04, 2012

AVR-Transistortester - Downloads

Im Anhang zu diesem Post finden sich die Eagle Quelldateien für die Schaltung sowie eine angepasste Version des Quellcodes. Da die Schaltung in einigen Punkten von der Originalversion abweicht kann die Firmware nicht direkt übernommen werden. Außerdem sollten die in der Datei fuses.bat voreingestellten Fuse Werte übernommen werden um …

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