I’ve been doing data visualization ... Python date objects into an integer of days since the epoch (Jan. 1, 1970). For example, June 1, 2015, is 1,6591.0 days since the epoch. I then used a helper ...

Eventually he located the data feed for a tanker ship and wired his dial to display the ship’s speed. He uses a Python script to interface with the Pachube API, which is fed to his Netduino board.