[Unit]
Description=Read P1 telegram, POST data to site mainPC P1_get.php, send data to ThingSpeak every x sec.
Wants=network-online.target
After=network-online.target
#https://www.shubhamdipt.com/blog/how-to-create-a-systemd-service-in-linux/
#/home/pi/slimmemeter-rpi/P1_ReadPortSendThingspeak.py
#/var/www/html/rrdpower/P1_updRRD.py

[Service]
Type=simple
User=pi
WorkingDirectory=/home/pi/slimmemeter-rpi/
ExecStart=/usr/bin/python3  /home/pi/slimmemeter-rpi/P1_ReadPortSendThingspeak.py
# optional items below
Restart=always
RestartSec=5
[Install]
WantedBy=multi-user.target