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Archives for March, 2012

Images for transistor audio signal circuit diagram

Transistor audio signal circuit diagram Transistor audio signal circuit diagram using C945 Transistor audio preamplifier or transistor audio signal circuit diagram,  Cross Reference, … circuit Brain wave transistor audio signal circuit diagram

Circuit diagram keytop and display for electronic devices

Circuit diagram keytop and display A keyboard “key figure” who work with electrical contact between the surface of the keyboard and the underlying circuit when pressed keytop area, used by some home computers the early 1980s, and has been widely used in consumer electronic devices.

How to Make Electronic Circuits to drive the rats, mosquitoes and other animals

This circuit functions with inaudible (ultrasonic) sound. Frequency to 20 kHz sound was heard by humans. The sound frequencies above 20 kHz is called ultrasonic sound. Described a series of produce (emit) ultrasonic sound frequencies between 40 and 50 kHz. Like the remote control system is also cirucit consists of a mini transmitter and receiver […]

Build a Circuit Educational Game

Build a Circuit Educational Game using CD74HC75, CD74AC20

Single Cell LED Driver using LT1932

Single Cell LED Driver circuit using LT1932

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