Do it yourself USB Controller / Display
Mos writes:I’ve made a DIY USB Controller. Well i needed some extra buttons on my G25 wheel. Maybe someone will find it useful.You need a hardware programmer to write the bootloader to the Chip once. A simple programmer layout I’ve made is attached, but note that it only works with LPT ports with >= 4Volt levels. But many modern PC LPT’S have lower voltage, check your LPT port first. All cables should be as short as possible. Connect 12V & 5V to appropriate PC power supply pins or other stable powersupply with 5V & 12V. My programmer doesn’t has a socket, it programs the chip “In Circuit”.
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