Behind every great circuit there's a great PCB > Read more

By Martin Ossmann
Published in Elektor Magazine, no. 424, April 2012 (art. no. 100181)

Goto Part 1 - Generating Precision Signals Using an ATtiny Micro > Read more

Based on an AVR microcontroller we are going to develop a weather station measuring humidity, pressure and temperature.

OK, so maybe wind & rain too. Measuring windspeed is just counting pulses, wind direction can be a voltage. Studying commercial anemometers should be useful.