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Old 25 April 2014, 11:43   #340
danko
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Join Date: Oct 2009
Location: Italy
Age: 38
Posts: 98
Quote:
Originally Posted by robinsonb5 View Post
1 x Piezo sounder
1 x BC547 or similar bipolar transistor
1 x 2N7000, BS270 or similar MOSFET.
1 x 68 Ohm Resistor (value not critical - higher resistance -> lower volume)
1 x 18k resistor
1 x 5K6 resistor
For piezo what diameter tips?
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