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eschlaep's photostream |
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5" Cathode Ray Tube - Lissajous Figure
Firing up my CRT driver board (soon to be a kit that you can buy) and testing a 5" CRT with a Lissajous figure (pronounced LISS-uh-joo).
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Uploaded on Jun 6, 2011
Basic Ramper Schematic
555 Radio - Schematic
555 Radio
555 Radio - The Core
ICM7555 - CMOS Timer IC
Point Contact PNP - Inverting Amplifier In/Out
This is the output of an inverting "amplifier" created by my point contact transistor. The...
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Uploaded on Nov 5, 2010
Point Contact PNP
This is my homebrew point contact transistor. It is based on Jeri...
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Uploaded on Nov 5, 2010
Steampunk Wristwatch
My steampunk wristwatch. Details are at tubetime.us/?p=75
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Uploaded on Aug 24, 2010
Steampunk Wristwatch
My steampunk wristwatch. Details are at tubetime.us/?p=75
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Uploaded on Aug 24, 2010
Steampunk Wristwatch
My steampunk wristwatch. Details are at tubetime.us/?p=75
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Uploaded on Aug 24, 2010
Automatic Message Numbering Machine
This is a Western Union Automatic Message Numbering Machine. Near as I can tell, it was designed to add...
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Uploaded on Aug 16, 2010
Automatic Message Numbering Machine
This is a Western Union Automatic Message Numbering Machine. Near as I can tell, it was designed to add...
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Uploaded on Aug 16, 2010
LED Wristwatch - Fairchild LED Chips
These are the Fairchild LED displays used in my wristwatch (http://tubetime.us/?p=69). The type number is FND10A-3.
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Uploaded on Jul 31, 2010
LED Wristwatch - Closeup of LEDs
On my LED wristwatch (http://tubetime.us/?p=69) you can see the LED die used in each 7-segment display.
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Uploaded on Jul 31, 2010
EL Display Panel - Closeup
This is an EL panel made by Finlux. More details here: tubetime.us/?p=67.
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Uploaded on Jul 31, 2010
