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

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

# one time steps in this folder
ato install

# 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

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