Thoughts on a second board

  • Single board
  • STM32G030F6P6 for network comms
    • TSSOP-20
    • $1.1524/ea
    • 32KiB Flash
    • 8KiB RAM
    • 64MHz
  • SPI Flash - W25Q128JVSIQ
    • 128Mib/16MiB
    • SOIC-8
    • $1.4631/ea
    • SPI/Dual/Quad
    • 256 byte pages
    • 4KiB sectors
    • 32KiB/64KiB blocks
    • 133MHz max speed
  • 2x MAX3485EESA
    • 12Mbps
    • SOIC-8
    • $1.3231/ea
  • 1x fixed 5v buck
  • 3v3 LDO
  • nRF52 SoM
  • What to do for power connections?
  • INA180 for power measurement

Unsorted thoughts

  • How to do cases/mounting?
  • How to do power measurement?
  • How to connect not-an-nrf52?
    • Should I leave that to the gen1 boards?
  • Make a rp2040 breakout?