MEP EP#224: The Normal Chaos

MEP EP#224: The Normal Chaos

MEP EP#224: The Normal Chaos

Stephen

  • DC Heating and Thermal Testing
    • A low voltage moderate current linear power supply
    • 12.6V dc @ 0.55A 6.93W
    • LM2940T-12.0 LDO
    • TIP42 bootstrap transistor to share the load
    • 12V @ 2A transformer supplies ~16.2vdc with 200mV ripple
    • ~2W of heat to be handled
    • Shooting for about 250mW in the regulator and the transistor then the rest will get dumped in some resistors
    • PCB heatsinking
  • Diptrace 4.0 is finally here!
    • Snapping and aligning items
    • Circles and arcs actually have a center now…
    • Paste and Mask layers are finally visible
    • Pad angles other than 0 and 90 are now available in the pattern editor
    • One button for removing silkscreen from pads
    • Progressive searching for components instead of the seizure it used to be
    • Export options now can export all the manufacturing files as a single zip
    • Teardrops!

Parker

  • Wagoneer Engine Work
    • Timing cover
      • Water pump
      • Timing chain
      • Distributor gear
      • Distributor camshaft gear
      • Harmonic Balancer
      • All the gaskets
    • Radiator next
    • Dash Cluster
  • Fixing a wine chiller

Jaksot(448)

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