7400 competition entry: 7400-based USB prank

Posted on Thursday, October 20th, 2011 in 7400 contest by DP

Arup entered his USB device not recognized design into the Open 7400 Logic Competition. It uses a logic chip to stimulate a USB host just enough to get a “Device not recognized” response from Windows. Once the prank succeeds a “1” is displayed on a 7 segment display.

Via the forum.

This entry was posted on Thursday, October 20th, 2011 at 8:00 am and is filed under 7400 contest. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

3 Responses to “7400 competition entry: 7400-based USB prank”

  1. rsdio says:

    USB host or USB Device?

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