Electronics/anemometer

on IR sensor interfacing [[1]]

also see Everyday Practile electronics august 2009 p. 48

glue blocks together:

• http://www.youtube.com/watch?v=0F24w9Dd0Ns

also chilliequeen on youtube

• http://www.youtube.com/user/chilliqueen2007

also see Esaki circuit

• http://www.youtube.com/watch?v=K0A2gnlNe64

on charge pumps:

• http://en.wikipedia.org/wiki/Charge_pump

• http://www.raphnet.net/divers/anemometre/anemometer_en.php
• http://www.otherpower.com/anemometer.html