Projects

A bit of this and that…

DC-DC dual output Switch Mode Power Supply (SMPS)

  This is a dual output 5V and 3.3V power supply, that operates from a 12 – 24VDC input. The intended use is for powering a special networking switch from a batterybacked supply. The device will need to operate in amient outdoor temperatures in the the central plains.
Requirements:

  • Input:  10.8 –  26 VDC, with +/–  2V fluctuation
  • Output 1: 5VDC at 1.5 amps
  • Output 2: 3.3VDC at 5.0 amps
  • Output ripple < 40mv p-p
  • Temperature operating range (-40 to +60 degrees C.)
  • High efficiency

 

Dillon XL-650 monitor

Count the completed rounds, monitor the supply of brass, and whatever else I can come up with.  

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