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Archive for the ‘Audio diagram’ Category


 How to make simple electronic buzzer

Monday, April 21st, 2014

A electronic buzzer is simple. But useful well worth and the price is lower than 1$. By use just a 9-volts battery only. So without worrying about electrical leakage or electric shock from 220V to buzzer. Unless also has LED will glow. Show that the circuit the normal operation as well. The working of circuit. […]


 Simple Electronic clock sound using IC4011

Wednesday, April 16th, 2014

The sound of insects such as crickets, cicadas, resulting from flutter briefly. We can use a multivibrator to connects as sound generator circuit to imitate these insects sound. Some electronic clock alarm tone also sounds similar to these insects. As Figure 1 is simple clock alarm sound generator that can assemble on a breadboard right […]


 Simple Tone Generator using inverter logic form.

Tuesday, April 15th, 2014

We use a simple oscillator circuit in very many projects. I like to use a inverter logic gate since it is easy and cheap. But we do not use it directly. Mostly I use IC4011 nand gates since includes for separate four positive logic nand gate on a single silicon chip. Enough for general use […]


 Two tone door buzzer using transistors

Thursday, November 28th, 2013

This is a two tone door buzzer, which is an electronic buzzer types,but them has melodic sound than the general electric bell. Which many people have seen the two tone bell sounds from other electronic journals. But they are circuit that made no who apply them, since Problems three reasons: 1.First, while do not press […]


 The sound effect generator using CD4040 CMOS

Wednesday, November 20th, 2013

This is a sound effect generator using small electronic components to generate since birds up to siren. With two IC-CMOS are main. This circuit can many loud sound in one. It is valuable for very educational, since the counter circuit, to convert digital signals to analog signals. Features of controlling frequency of Oscillator circuit using […]


 Simple intercom using tree transistors

Sunday, November 17th, 2013

This is simple intercom using transistors so easy to build and cheaper than ICs. They perfect for a small home, and to use basic or demonstration projects, from easy to find materials. It helped we can contact together simple in the house without have to walk a various room or shouting loudly, until may have […]


 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 […]


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