This tachometer is based on Atmel ATmega8L microcontroller and Nokia 5110 LCD LPH7366 for measuring rotation speed of any rotating things. A photo sensor is functioned by a photoresistor that is used ...
When you’ve got a piece of interesting old aviation hardware on your desk, what do you do with it? If you’re not willing to relegate it to paperweight status, your only real choice is to tear it down ...
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