When I was looking for some lamps for my new home I noticed, that barely no LED based lighting products are available for serious lightning at home. Those available seem to be more like decoration. Therefore I ordered a LED panel in the internet. It has 600 LEDs and the color temperature is 3000 K.… Continue reading LED based lighting at home? Yes!
I bought an Apple Wirless Keyboard today. It uses Bluetooth to communcate and can so far as I know also be used with ordinary windows computers. First, I paired the keyboard with my iPad. This procedure is very simple. Switch on the keyboard and then go to the Bluetooth settings in the iPad. There, chose… Continue reading using Apple’s Wireless Keyboard with an iPad
The AVR ISP mkII does not support the AT90S8515 by default for programing. There s a simple workaround for that: Go to the path where your Atmel stuff is installed. In my case it is: C:Program Files (x86)atmelAVR ToolsPartdescriptionfiles Look for the file AT90S8515.xml Locate the <ICE_SETTINGS> part and change the <MODULE_LIST> to [SIMULATOR:STK500:STK500_2:AVRISPmkII] and… Continue reading program AT90S8515 with AVRISP mkII
There was a strange bug I found which took me ages to find. I was implementing some stuff on a Atmel A90S8515 microcontroller. This device is quite old and has very limited memory. Both Flash and RAM. The problem occurred when sprintf from the standard library was called. When called, any internal variables were changed… Continue reading embedded stack collision with the variable-memory