Category: Uncategorized
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CO2 x COVID-19 x live music
While planning on attending a live music venue for the first time in ~2 years, I decided the only way I'd feel safe doing so was being able to calculate the CO2 ppm live.
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Low flow shower head
We replaced our 90s shower head with a low flow 5 L/min shower head
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Sending data over LTE
The Notecard connected to the Raspberry Pi A+ with an Enviro+ sensor hat Sending air quality sensor data over a mobile LTE network with a Blues Notecard.
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Power & battery management
Processed with VSCO with f2 preset Until now I’ve been powering the water quality sensors via a USB cable either to an external power supply, or directly to my laptop for debugging. For the sensors to…
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Upgrading The Things Uno RN2903 firmware
It turns out that it wasn’t only the range that might have been causing my connection problems to The Things Network – Andrew Sargent from OpenSensing spotted that in my…