AND!XOR, APA-102C-NEW-260, Atmel SWD, ATSAMD21, banana ripeness, DOOM SAO, electronic nose, electronics podcast, ethylene, ICE ICE BABY, MacroAmp, MacroFab, MacroFab Design Contest, macrofab engineering podcast, ST7789 LCD, superlattice, Tag-Connect
Podcast
177

MEP EP#177: Leeroy Jenkins Transistor

Podcast Notes

Check out our new MacroFab Design Contest: Useless Machine Sponsored by Mouser Electronics!

Parker

  • APA-102C-NEW-260 Tested
  • DOOM SAO in production
    • ST7789 LCD Works correctly
    • Type-C works well
    • Got the ATSAMD21 I2C EEPROM interface working
    • SOON to be public Github repo
    • Preorder on the AND!XOR website
  • Atmel SWD to Tag Connect adapter works!

Stephen

  • MacroAmp Rev 2: Sponsored by Mouser Electronics
    • Schematic is complete
    • Only grounds left to run and to do a review
    • Completely rethought design
      • Simulated power supplies
      • uTracer data gathering for everything
      • Gain calcs – one or two nutube?
      • Coarse and fine volume controls
      • PCB mounted Tube sockets
      • Terminal blocks for easy assembly
  • Wants to do something not audio related for next project

R.F.O.

Visit our Public Slack Channel and join the conversation in between episodes!


APA-102C-NEW-260 Test PCB. Arduino shield format.

APA-102C-NEW-260 Test PCB. Arduino shield format.

 

APA-102C-NEW-260 Test PCB powered up.

APA-102C-NEW-260 Test PCB powered up.

 

DOOM SAO powered up and running face animations.

DOOM SAO powered up and running face animations.

 

Back of the PCB for DOOM SAO.

Back of the PCB for DOOM SAO.

 

Fixture for DOOM SAO to speed up soldering of the screen to the PCB assembly.

Fixture for DOOM SAO to speed up soldering of the screen to the PCB assembly.

 

Reading bytes from the "EEPROM" that is the SAMD21 MCU over I2C.

Reading bytes from the “EEPROM” that is the SAMD21 MCU over I2C.

 

Atmel SWD to Tag Connect adapter. Allows 3.3V power over the Tag Connect.

Atmel SWD to Tag Connect adapter. Allows 3.3V power over the Tag Connect.

 

Atmel ICE programmer connected to the adapter board. Works great!

Atmel ICE programmer connected to the adapter board. Works great!

 

MacroAmp layout. All that is left is grounds.

MacroAmp layout. All that is left is ground routing.


Special thanks to whixr over at Tymkrs for the intro and outro!