FreeRTOS for ATMega644

Sunday, August 10th, 2008

FreeRTOS is an open-source realtime operating system for microcontrollers. The ATMega644 of ATMEL provides 64KB of flash program memory in a DIY-friendly 40-pin PDIP package. Read on for how to combine both to my new software development platform.

Using mySmartUSB programmer on Mac OS X

Sunday, February 4th, 2007

During the upgrade of my Arduino, I used the mySmartUSB programmer - initially on my Windows box, but since it's USB and it mimics the AVR910 protocol, you can use it with avrdude on your Mac. Here's how.

Arduino on Steroids

Tuesday, January 23rd, 2007

I just upgraded by little Arduino to the ATMega168 - and basically doubled the memory. But, be warned: This is not a hassle-free procedure if you have not some experience with microcontrollers.

Arduino DCF77 v0.2 released

Saturday, January 6th, 2007

The sketch for decoding the time radio signal DCF77 is greatly improved: I use interrupts for handling the signal and a backup timer has been added.

I will think before I code…

Wednesday, December 27th, 2006

As CosineKitty pointed out: My Arduino timer interrupt code did not work because the Prescaler bits were not set correctly.