tar -zxvf ...

locate IP adress of router

ifconfig

find the IP adress of the RPi by scanning the IP of the router

nmap -F 192.168.178.1-254

ssh to the RPi

ssh [email protected]

Shutdown safely

shutdown -h now
# then pull out the power cable

Restart

shutdown -r now

Once raspbian is setup we do the digital ocean initial server setup https://www.digitalocean.com/community/tutorials/initial-server-setup-with-debian-8

• Demo blink the LED

• Demo read button

• Build the sensor Follow https://thingsboard.io/docs/samples/raspberry/temperature/

python3 -m venv ~/venv
source ~/venv/bin/activate
sh install_librairies.sh

if there is a problem at this stage sudo chown -R pi ~/venv/lib/python3.5/site-packages/

Modify if needed electronics.py with the help of https://pinout.xyz/

python electronics.py

Understanding the concept of MQTT:

• mosquitto_sub -d -t ifp_mqtt
• mosquitto_pub -d -t ifp_mqtt -m "Hello IFP"

Demo of posting sensor data to MQTT:

• first tab python mqtt_subscriber.py
• second tab python mqtt_publisher.py

Getting a dashboard: python publish_to_thingsboard