KABtronics - In The Lab

USB test board
 
Relay Clock
 
A technology step before Transistor clock.  Just relays and lamps, maybe diodes, but trying not to use any semiconductors.
 
Relay Clock Progress
Power supply prototype
 
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A test bed to develop USB code for future projects.  I have the board being mounted as a drive now.  the next step it to implement a psuedo file system.
A test bed for computer and front panel operated bench power supply.  A switching regulator followed by a linear regulator, with voltage and current sensing, all under computer control.
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Front panel prototype
 
Displays voltage and current.  Has speed sensing knob for easy adjustments, serial interface to PS board, very low cost.
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World Clock 2
 
Exandable world clock.  Accurate world time, choose from 4000+ locations, enter custom locations, accounts for daylight savings, stack multiple pairs to make larger clocks.