Arduino Based System used to monitor the inside temperature and humidity of an outside Food freezer. Ambient, in this case outdoor, temperature and humidity is also collected.

This channel monitors and logs real-time freezer temperature using a DS18B20 sensor and ESP32. Safety levels are indicated using LEDs and data is sent every second via MQTT.

Checking the freezer temperature of my oldie Fridge.

Odczyt z czujników temperatury, wilgotności i napięcia.

Freezer temperature

In Finland, MCU ESP8266, 2x Dallas temp sensor

Temperatura Freezer Cerveza