1. Mini Stm32f103rb Lcd Board


  2. AVR SPI Testing

    This is just a quick post on the problems I am having trying to initialize an 25AA1024 eeprom in SPI mode with my AT90USBKey. In the picture you can see the entire sequence: …


  3. Mini High Speed Spindle

    So I’m in the midst of designing a proper high speed spindle for my positioning table. The stock dremel spindle is horribly inaccurate yet their collets and miniature chucks are surprisingly very accurate. I Figured I would take one apart and see what makes one spin. I chose to take the flex shaft apart as I never use it, it gets quite warm and I require the use of my dremel during this project so its staying together. …