To set up the development environment install abcli, then open a terminal and type in,

# dev
abcli git clone dec82 install

To build the hardware, follow these instructions,

dec82, uses grove parts.	dec82q, uses qwiic parts.

To install the software, follow these instructions to set up a headless Raspberry Pi w/ abcli enabled. Then. in your development environment, open a terminal and type in,

# dev
abcli ssh rpi <rpi-hostname>

# rpi
abcli cookie copy dec82q # or dec82
abcli init

sudo raspi-config
# Interface Options -> Camera -> Yes
# Interface Options -> I2C -> Yes
# Interface Options -> SSH -> Yes
# System Options -> Boot / Auto Login -> Console Autologin
# if dec82q: Advanced Options -> Overscan -> No
# if dec82q: Interface Options -> SPI -> Yes
# Reboot.

To interact w/ the device, press and hold the button for less than 3 s to take a picture and more than 5 s to shut down the device. Hold more than 3 s and less than 10 s initiates an update and reboot of the application.

sudo nano /boot/config.txt

Add the following line: dtoverlay=rpi-display,speed=32000000,rotate=270 (source).

To interact w/ the device, press a to update and b to shutdown. Press center to take a picture and adjust led intensity with up and down.