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  #1  
Old 06-06-2010, 11:43 PM
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Default WHAT IS THIS?
WHAT IS THIS?
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  #2  
Old 06-06-2010, 11:46 PM
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Default IS THIS
IS E PISTOLDETECTOR?
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Old 06-06-2010, 11:49 PM
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Default FRO OTHER SIDE
IN OTHER SIDE
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  #4  
Old 06-07-2010, 06:53 PM
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wowwwwwww these semms how aliens gun wowww
may be is pistol ultrasound for detection of proximity
see brand and model of stuff, and check in google buscador
seems how gun exploration for bodies of women embarazadas
may be is other lrl suspicious of greece
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  #5  
Old 06-07-2010, 06:55 PM
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πιος εισαι εσυ ρε μεγαλε takhslambos

που μου κλεβεις την ιδεα και το post μου απο τα psaxtiria ??????


: angry::a ngry:


Για παρουσιασου



sorry guys this is my post from psaxtiria <greece>
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  #6  
Old 06-07-2010, 10:46 PM
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Quote:
Originally Posted by takhslambos View Post
IS E PISTOLDETECTOR?
The device you are showing has an LCD display, but the circuit diagram is a simple T/R detector with no display. The circuit uses a tone decoder to detect when the received signal is within the passband and triggers an audio output. They are not the same.
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  #7  
Old 06-08-2010, 12:23 AM
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Default What is this?
What is this?
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Global capital is ruining your life?
You have right to self-defence!
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  #8  
Old 06-08-2010, 12:49 AM
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Old 06-08-2010, 11:32 AM
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http://www.electro-tech-online.com/r...c-sensors.html
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  #10  
Old 06-08-2010, 02:41 PM
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Default The circuit diagram
The circuit diagram in posting #1 is ultrasonic distance meter designed in Bulgaria.
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  #11  
Old 06-08-2010, 02:57 PM
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Quote:
Originally Posted by epitopios View Post
As someone pointed out on that forum, the opamp inputs have been drawn reversed.
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