System requirements

• micropython
• ampy
• minicom (optional)

Development

Build micropython:

cd [mycropython-dir]
make -C mpy-cross

cd [mycropython-dir]/ports/rp2
make -j4 BOARD=PICO_W submodules
make -j4 BOARD=PICO_W clean
make -j4 BOARD=PICO_W

Set wifi SSID & password:

cp wifi_credentials.template src/wifi_credentials.py
# edit src/wifi_credentials.py and add SSID & SSID password

Init:

pip3 install -r requirements.txt
./setup.sh
make build

Run:

make run

Clean

make clean

Upload

make upload

Build

make build

Topics

• vb/devices/power/pihub/request
  • device subscribes for state change requests
• vb/devices/power/pihub/response
  • device publishes state changes
• vb/devices/request
  • device subscribes for registration requests
• vb/devices/response
  • device publishes device registration data

Status LED meanings:

• red
  • board initializing
• blue
  • connecting to mqtt server
• green
  • connected to mqtt server
• yellow
  • lost connection to mqtt