Arduino Uno WiFi REV2 temperature of pool and solar panel control + weather in Osek u Duchcova, Czech Republic, MAX 6675 thermocouple and BME280
uses MAX6675 as temperature probe front end. Hardware is not yet finish, waiting for PCB and some parts.
K-Type thermocouple running through a MAX6675 interface to an Arduino UNO. Wifi connected via a Sparkfun ESP8266 Thing board.