ESP8266 NodeMCU based clock, 60 NeoPixels ring display with DHT22, LDR, PIR and Audio sensors. Tracks CheerLights, updates no-IP and posts log data to ThingSpeak and Twitter.
I am building many sensors using nodemcu and lua trying to connect everything together.. Have a look at my other thingspeak pages: https://thingspeak.com/channels/145827
Centro de Meteorologia CSB [:] Arduino NANO [:] Raspberry Pi 3B+
Thesis: "The amount of nuts taken by squirrels from a squirrel feeder correlates with upcoming winter weather conditions significantly."
Monitoring ambient temperature and humidity in the greenhouse and setting ventilation and intake fans as appropriate.
A Raspberry Pi + DHT22 used to monitor temperature and humidity in one of the rooms in KSJ