MEP EP#200: Rotary Alarm System

Show Notes

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.

• Cheating At Bowling, The Hacker Way
  • Star Wars BB8 style robot inside a bowling ball
  • Controlled by leaning your body!
• Digikey - Now with more Vacuum!
  • Tube Depot - stock on digikey
  • NOS
  • Matching
• Toshiba TCKE8xx eFuse ICs
  • Datasheet is tough to find atm
  • Parker has used the Ti TPS25926 in previous projects which is similar

 

Creators & Guests

Host

Parker Dillmann

A Founder @MacroFab.Builds Electronics, Cars, & Jeeps.

Host

Stephen Kraig

EE

Producer

Chris Martin

What is Circuit Break - A MacroFab Podcast?

Dive into the electrifying world of electrical engineering with Circuit Break, a MacroFab podcast hosted by Parker Dillmann and Stephen Kraig. This dynamic duo, armed with practical experience and a palpable passion for tech, explores the latest innovations, industry news, and practical challenges in the field. From DIY project hurdles to deep dives with industry experts, Parker and Stephen's real-world insights provide an engaging learning experience that bridges theory and practice for engineers at any stage of their career.

Whether you're a student eager to grasp what the job market seeks, or an engineer keen to stay ahead in the fast-paced tech world, Circuit Break is your go-to. The hosts, alongside a vibrant community of engineers, makers, and leaders, dissect product evolutions, demystify the journey of tech from lab to market, and reverse engineer the processes behind groundbreaking advancements. Their candid discussions not only enlighten but also inspire listeners to explore the limitless possibilities within electrical engineering.

Presented by MacroFab, a leader in electronics manufacturing services, Circuit Break connects listeners directly to the forefront of PCB design, assembly, and innovation. MacroFab's platform exemplifies the seamless integration of design and manufacturing, catering to a broad audience from hobbyists to professionals.

About the hosts: Parker, an expert in Embedded System Design and DSP, and Stephen, an aficionado of audio electronics and brewing tech, bring a wealth of knowledge and a unique perspective to the show. Their backgrounds in engineering and hands-on projects make each episode a blend of expertise, enthusiasm, and practical advice.

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