Category Archives: Misc

Miscellaneous electronics projects.

JTAG Wiggler Schematic Fix

By vsergeev | Published: February 15, 2007
Per has brought to my attention that the JTAG Wiggler schematic on the “JTAG Wigger Clone” page has an error. I jumbled up the P4/P3 connections on the parallel port when I was adapting the schematic in EAGLE (the schematic is based on this one http://jtag-arm9.sourceforge.net/circuit.txt). I have fixed this error in the JTAG Wiggler [...]
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New E-Mail Messages Checker with 7-Segment LED

By vsergeev | Published: August 1, 2006
The other night I came across a 7-segment LED display and decided to interface it to a parallel port. I added a button as well. The 7-segment LED lines (each leg of the display plus the dot LEDs) are connected to the parallel port data pins (D0-D7). I have the button hooked up to nInitialize [...]
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MiniLA Kit Arrived

By vsergeev | Published: July 21, 2006
Yesterday I received the miniLA kit (mini logic analyzer, see more at http://minila.sourceforge.net) from g1powermac. Some info from a previous post: “”g1powermac” from the ##microcontrollers IRC channel on Freenode has organized a group PCB and components buy of the “miniLA” mini logic analyzer, freely available at http://minila.sourceforge.net/ . This will be an invaluable tool for [...]
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