A script to implement Automated Power Purchase in a dynamic power tarif at Tibber with existing power storage and Shelly Relay.

• Buy your electricity on the power exchange at favorable times and store it temporarily in your electricity storage system.
• Works with the Tibber API and any 2nd gen shelly.
• You can set a self-defined input level so that there is still enough space for your PV electricity.
• In the script, you specify the starting and stopping points for your purchases.
• The current price is asked every 5 minutes.