Vatten och lufttemperatur Kärraviken Askersunds kommun, Vättern. Se badtemperatur här. Data logging with esp8266, ds18b20. © Andreas Svensson 2020
IoT Made Easy With UNO, ESP-01, ThingSpeak and MIT App Inventor.
Monitor ambient Light, Temperature & Humidity using ZigBee sensor network.
A WeMos D1 mini V2 (ESP8266, ESP-12F) connected to a DHT22 temperature and humidity sensor.