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ESP-BOX-EMU ecad

This folder contains the electronic design of the ESP-BOX-EMU.

The ESP-BOX-EMU contains a single circuit board with the following components:

  • USB-C connector
  • Conductive / Membrane switches for d-pad, abxy, and start/select buttons which mate with GBC membranes and buttons
  • Tactile switches for Volume +/-
  • RED LED for charging indication
  • DRV2605L haptic driver
  • JST-PH connector for the LiPo battery
  • AW9523 I/O expander
  • MCP73831 LiPo charger
  • MAX17048 LiPo state-of-charge monitor (I2C)
  • MicoSD card slot
  • TPS61070 boost converter

These features are supported in two different versions of the electronics, targeting:

  • ESP32-S3-Box
  • ESP32-S3-Box-3

Setup

# one time steps on your machine
pipx install atopile
ato configure

# one time steps in this folder
ato install

Build

# build everything
ato build -t all

# build for ESP32-S3-BOX
ato build -b box-emu -t all

# build for ESP32-S3-BOX-3
ato build -b box-3-emu -t all

Note: if you make changes to the electronics design (.ato files), you'll likely need to update the box-emu-base layout (or other affected layouts). After updating the affected layouts, make sure you import them into their parent modules. The tree is listed here:

  • box-3-emu
    • box-3-connector
    • box-emu-base
      • gbc-dpad
      • gbc-start-select
      • gbc-a-b-x-y
        • gbc-a-b
  • box-emu
    • box-connector
    • box-emu-base
      • gbc-dpad
      • gbc-start-select
      • gbc-a-b-x-y
        • gbc-a-b

View

ato view -b box-emu
# or
ato view -b box-3-emu