Spent the weekend making sure the backend of the EnviroStation was functioning correctly. I seem to have that part of the project working well, the data polled from the sensors is being posted into an influxdb database, then displayed by Grafana. The Grafana Dashboard is embedded on the EnviroStation page.
So the next stage is packaging my prototype ESP32 circuit:
In some kind of weather proof housing, with a battery to power everything, and a solar panel to charge the battery. The communications with the Database are utilising the ESP32’s WiFi functions, so I can place this anywhere within WiFi range of my router.
I already rushed out and bought some 3.7v LiPo cells, some charging circuits and a solar panel, before even working out how much power this circuit draws. The SPS30 Particulate sensor alone requires 5v, so I may have made a mistake there. I can try using two batteries in series however, it also needs to be powered constantly so my 0.66W 5v Solar Panel, may be a little under powered to charge two batteries.
