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Python script to control the MagPi Rain Detector project. See raspberypi.org/magpi issue #74 for more details.

Make sure gpiozero is installed.

sudo apt install python3-gpiozero

cd
git clone https://github.com/mrpjevans/rainbot.git

mkdir ~/rainbot
cd rainbot
nano rainbot.py

Now cut and paste (or manually enter) the code.

cd ~/rainbot
python3 rainbot.py

Create the following file as a superuser:

sudo nano /lib/systemd/system/rainbot.service

Add in the following text:

[Unit]
Description=Rainbot           
After=multi-user.target

[Service]
Type=idle
ExecStart=/usr/bin/python3 /home/pi/rainbot/rainbot.py

[Install]
WantedBy=multi-user.target

Ctrl+X to save and quit out of nano. Now issue the following commands:

sudo chmod 644 /lib/systemd/system/rainbot.service
sudo systemctl enable rainbot.service
sudo systemctl daemon-reload

The script will now start in the background on reboot.