Showcasing the Contentful blog with E-Ink, CircuitPython and IoT

The author, a Contentful developer evangelist, was inspired by the NYTimes Moveable Type installation and created a low-powered E-Ink display using the AdaFruit MagTag to showcase past Contentful blog posts. The display uses the ESP32-S2 wireless module and supports CircuitPython, allowing it to be easily programmed using Python. The author used the Contentful API via HTTP and implemented GraphQL to reduce the number of calls to the API, reducing the payload of the response. The MagTag buttons allowed users to send notifications with links to full articles, which were sent through the Courier API. The display was able to show content on a 2.9-inch screen and provide feedback when a button was pressed. The author has made the source code available on GitHub, and plans to expand the project by covering the lobby of the Berlin Office with more MagTags.

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