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Recent New Posts


 Light alarm circuit with the special edition.

Saturday, October 5th, 2013

This is a light alarm circuit with the special edition, that improve this circuit a whole new to higher efficiency. At the same time that lower price. By cutting R-potentiomer (horseshoe-shaped resistor) take away and use a solar cell instead of LDR. Which unless will has the price lower, also reduce a Difficulty of application […]


 Mini function generator circuit using ICL8038

Thursday, October 3rd, 2013

This is a function generator circuit using IC-number of ICL8038.(Precision Waveform Generator/ Voltage Controlled Oscillator) generate the waveform out to us use it, up to 3 model. are Sine wave signal, the triangle, and square wave signals. The output of this circuit is quite realistic, in the waveform. And in this circuit will suggest a […]


 Chicken sound generator circuit

Tuesday, October 1st, 2013

This is chicken voice sound generator circuit. Which I buy it from the electronic shop for my son as his first projects. It use a various sound from chips IC is a type of sound generator circuit. Which use principle digital memory is digital signal and program into ICs. Which all this movement. Be made […]


 The 100 Hz to 10 KHz square wave generator by Phase Lock Loop IC

Monday, September 30th, 2013

This is a square wave generator, the other circuit one interesting. The CMOS IC is selected to this job will be Phase Lock Loop IC is CD4046 that has Characteristics the setting circuit as Figure 1. Using the voltage control frequency. The voltage that is derived from pin 9 of IC1 voltage adjustment of VR1. […]


 European police siren circuit

Monday, September 30th, 2013

The European police siren circuit is type of a siren. Which it is different from normal, is characteristics sound is high – low curtailed without like tone of voice common Siren. Which is strange, another, of the circuit type siren. Thought it would desirable. Amateur those electronic all. The working principle As circuit in this […]



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