MEP EP#200: Rotary Alarm System

MEP EP#200: Rotary Alarm System

MEP EP#200: Rotary Alarm System

Parker

  • Air Raid Siren Completed
  • Working on the power sub system for a D.C. Badge
    • Based on the successful DOOM SAO power system
    • USB Type-C for “cable” power
    • 5.1K on both CC pins
      • Gives us 1.5A at 5V which is plenty of juice
    • Alkaline Primary Cells
    • TPS2113 for switching between cable power and the batteries
    • SAO connector implementation with proper current limiting
    • Gonna try a small little buck switcher
      • TLV62568 to knock the USB and battery voltage down to the 3.3V we need.
    • Going to design a lithium powered version that can recharge over the Type-C
  • Brewery Building is next project
  • MacroFab has guided tours in the platform. Let me know how they work.

Stephen

  • Multi Layer PCB
    • Finishing up a 6 layer PCB with mixed signal
      • Top
      • GND
      • Inner1
      • POWER
      • POWER
      • Bot
  • Multi Transformer solution for preamp power supply
    • Should I just go with my already proven SMPS instead?

R.F.O.

Jaksot(448)

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