ir-remote-timer/ir-remote-timer.service

[Unit]
Description=Switch projectors on and off 
After=multi-user.target

[Service]
Type=idle
User=pi
ExecStart=/usr/bin/python3 /home/pi/ir-remote-timer/ir-remote-timer.py > /home/pi/ir-remote-timer.log 2>&1
Restart=always
RestartSec=3

[Install]
WantedBy=multi-user.target