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[Alessandro] sent us a link to his post about a PRU software VGA rasterizer. It’s not the easiest read, but we think it’s worth your time. The gist of his background information is that back when his company was developing for an ARM9 processor he wanted to test his mettle with the coprocessor chips. The first [...]

Tags:  coprocessor vga offloading alessandro coprocessor-chips software-vga arm9-processor video hacks  

Who needs a Fluke high voltage detector when you’ve got one of these things? Actually, we still recommend a professional high voltage detector for serious work, but you’ve got to like this electric field detector that [Alessandro] recently put together. The detector works by using a JFET to detect the high impedance electric fields that [...]

Tags:  detector voltage field alessandro voltage-detector jfet high-voltage tool hacks