cleware-traffic-light an easy to use CLI tool written in Python3 to control the cleware USB traffic light. It supports multiple traffic light control and the usage as a module in your own Python application.
from traffic_light import ClewareTrafficLight, Color, State
ClewareTrafficLight().red_on()
ClewareTrafficLight().yellow_off()
# with address for specific light
ClewareTrafficLight(21).green_on()ctl --red on
ctl -r on
ctl --red on --green off
ctl --red off --green on --address 19use pip to install cleware-traffic-light
sudo pip3 install cleware-traffic-lightTo use the CLI as a user you first have to create the USB rule
# go to directory
cd /etc/udev/rules.d/
# create file with the rule
touch 99-clewareampel.rulesRule content
# V4^ (2023-10)
echo 'SUBSYSTEM=="usb", ATTR{idVendor}=="0d50", ATTR{idProduct}=="0008", MODE="660", GROUP="traffic-light"' > 99-clewareampel.rules
# V3 and lower
echo 'SUBSYSTEM=="usb", ATTR{idVendor}=="0d50", ATTR{idProduct}=="0030", MODE="660", GROUP="traffic-light"' > 99-clewareampel.rulesusage: ctl [-h] [-r {on,off}] [-y {on,off}] [-g {on,off}]
[-a ADDRESS]
Turns the led of the cleware traffic light on or off
optional arguments:
-h, --help show this help message and exit
-r {on,off}, --red {on,off}
Controlls the red led
-y {on,off}, --yellow {on,off}
Controlls the yellow led
-g {on,off}, --green {on,off}
Controlls the green led
-a ADDRESS, --address ADDRESS
Specifies which traffic light should be used
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