In this circuit LM35’s output is connected to the Arduino’s A0 pin, which converts the available output voltage value to a float value of temperature, and then, displays it on the LCD screen. The 10K ...

I used an LCD shield to display the current temperature and speed of the fan, but you can use the circuit without the LCD display. You also need to select the transistor by the type of fan that you ...

This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, and ...