Running

If errors are thrown, check setup below!

Activating Environment After Setup

1. activate
2. python

Setup

SSH Pi

ssh {username}@{hostname} You might need to provide that user password.

Check Cricket Board

i2cdetect -y 1

$ i2cdetect -y 1
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:                         -- -- -- -- -- -- -- -- 
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
40: -- -- -- -- -- -- -- -- -- 49 -- -- -- -- -- -- 
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
70: -- -- -- -- -- -- -- -- 

Issue the following commands once you were able to verify the above:

sudo apt update
sudo apt upgrade
sudo apt autoremove
sudo reboot

Install Libraries

Check if it is done by typing activate in terminal and seeing the following:

python3 -m venv ~/pyenv
~/pyenv/bin/pip install adafruit-circuitpython-crickit
~/pyenv/bin/pip install tornado

Activate Python Environment

echo "alias activate='source ~/pyenv/bin/activate'" >> ~/.bashrc
~/pyenv/bin/python

Test Color Change

>>> from adafruit_crickit import crickit
>>> crickit.onboard_pixel.fill(0xFF0000)

Env Variables

• env - view all
• export ROBO_DC_ADJUST_R="0.8"
• env | grep ROBO_

Import the vars like so:

import os
os.environ['ROBO_DC_ADJUST_R']
'0.8'

GIT Corruption

find .git/objects/ -type f -empty | xargs rm
git fetch -p
git fsck --full

Useful Tooling

• https://docs.python.org/3/library/functools.html