The samples' fridge temperature always in check, how often a container is opened, an alarm if it tips over. Describe them in words, try them in the simulator and build them on an ESP32 board, without writing code.
Free, in the browser: try it in the simulator first, then buy only the parts it needs.
What you can build
The samples' fridge always in check
One reading a minute, and a sound if it leaves 2-8 °C.
Parts: DS18B20 waterproof probe, Buzzer, SSD1306 OLED screenKeeps the data over time
The request it sends: «A probe in the samples' fridge: show the temperature on the screen, log it every minute and sound if it leaves the 2 to 8 degrees range»