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Monday, June 7, 2010

USB hub used for In System Programming - Hack a Day


USB hub used for In System Programming

posted Jun 7th 2010 9:14am by Mike Szczys
filed under: peripherals hacks

Did you order that 4-port USB hub because it was almost free but now it’s just sitting in your junk box? Why not turn it into an In System Programmer for AVR chips? [Paul] came up with HUB ISP as an answer to the chicken-or-egg problem we’ve seen with other diy programmers. It uses the data wires from four different USB cables to program AVR chips, enlisting the help of a 74HC00 NAND gate along the way. You do not need to have a programmed microcontroller as all the magic happens on the software end of things. The one caveat is that [Paul's] method currently only works on Linux machines.

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Go there...
http://hackaday.com/2010/06/07/usb-hub-used-for-in-system-programming/

Don
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