Cronjob for Alarm

crontab.sh

# flush your motor circuit on reboot to avoid unexpected spray
@reboot /usr/bin/python3 /home/pi/alarm.py "flush"

# Refer to https://crontab.guru
# change 0 6 * * * to an expression of your choice
0 6 * * * /usr/bin/python3 /home/pi/alarm.py

# Experimental - syslog gets flushed on reboot, have to try another way
# cron logs to `stdout` syslog
# we also want to log `stderr` output to syslog with a CRON_ALARM tag
# 0 6 * * * /usr/bin/python3 /home/pi/alarm.py 2>&1 | /usr/bin/logger -t CRON_ALARM