Track-ing weather on a velodrome

A friend of mine, Piotr Klin, will attempt breaking the cycling hour record. Here’s how I helped him nail down the start time by measuring air density on the velodrome.

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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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