Adding custom fonts to E-paper Display

It’s a long overdue post, but my real life kicked in heavily last summer and I couldn’t get back to working on a blog until now. Read on for the writeup on a tool to convert png images into font definition files.

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My first LoRaWAN app​

This is a story of how I got the air quality sensor to transmit its data via LoRa, from the balcony of my flat, over LoRaWAN nano-gateway to TTN router in the Netherlands, then to my relay server elsewhere in Europe, and to the database on the Raspberry Pi in the living room of the same flat. (Not) just because it can™.

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