Have the new HomePod 2 or HomePod mini smart speakers? If so, you’ve got access to built-in temp and humidity sensors with software 16.3 which can be useful in a variety of ways. Here’s how to set up ...

Why buy one when you can build it cheaper?

I made this project because I wanted a way to automatically control the speed of a DC fan according to the temperature read by a LM35 sensor. I had a few problems with the PWM part mainly because the ...