I’ve been building a custom greenhouse sensing system to measure PAR light, humidity, and temperature and visualize real data over time. This post walks through the hardware and what the measurements are already revealing.

The interactive Plotly graph takes ~30 seconds to render as over 100k data points for 24 hrs

🔗 https://salemdata.net/johnpress/?p=278

#horticulture #orchids #orchidgrowers #greenhouse
#PAR #plantlighting #datadrivengrowing #sensors #opensource