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Because we have more than 700 electronic projects. It may cause you difficult to find them.

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Recent New Posts

 Stereo tone control circuit using IC TDA1524A

Tuesday, June 1st, 2010

The stereo tone control circuit with IC, be the circuit diagram that use just IC number TDA1524A. It be pillar heart in the work which, be IC the integrated circuit diagram of Philip. It can use a part tone control or a part fines the sound bass, treble and balances get whole setly by can […]

 Simple pre mic dynamic and Electrec condenser micro phone

Monday, May 31st, 2010

This be simple pre mic circuit, that can can enlarge both of dynamic micro phone and , Electrec condenser micro phone. Then convenient for usable with small-sized stereo or the indoor. By entering into power supply circuit LED1 will light showing the work of circuit conditions. The operation of this circuit has mic input 2 […]

 Pre mic audio amplifier with ic LM386

Sunday, May 30th, 2010

This circuit be signal sound expansion from condenser microphone give with small-sized loudspeaker. It compose the importance is part pre mic use transistor just one enlarge sound signal gives the power goes up change come to a part amplifier with the integrated circuit LM386 utter go out give a loudspeaker. When feed 9V power supply […]

 Light turning bike using IC LM3909

Sunday, May 30th, 2010

Usual already a bicycle has will no Light turning. If want to turn a car may be born dangerous can go up. Because of a car that drive to follow come to don’t know that turn thus. We should enhance the safety gives with one self with building light turning bike circuit this upward. The […]

 Overload protection circuit

Saturday, May 29th, 2010

Generally the level of a signal that departs output of sound signal generator the all. The that get fix have standard same score be 1Vrms. But in now audio signal generator the all the that may produce come to exceed limitation standard of the level input of stereo power amplifier. Thus have to have Overload […]

 Boost up voltage for relay by BC558

Friday, May 28th, 2010

Using relay general the majority then to use power supply that have DC Voltage with the value volt that specify on relay. For relay work but , if , we have no power supply that want to feed give relay. This circuit helps to give relay can work. From the circuit uses two power supply […]

 Step down voltage converter 5v with transistor BC337

Wednesday, May 26th, 2010

The circuit decreases the size voltage or Stepdown Voltage converter circuit be dc regulated circuit model switching converter. The that make voltage output there is the size voltage a little more input at feed give with the circuit. From circuit picture will decrease volt 6-18V from be left 5V. It give current get 100mA. in […]

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