Skema Dancing LEDs, Following the Rhythm of Music

Dancing LEDsThe basic circuit illuminates up to ten LEDs in sequence, following the rhythm of music or speech picked-up by a small microphone. The expanded version can drive up to ten strips, formed by up to five LEDs each, at 9V supply.Skema Rangkaian Dancing LEDsIC1A amplifies about 100 times the audio signal picked-up by the microphone...

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Rangkaian LED 220VAC Sebagai Lampu Penerangan

The LED has advantages over other lighting technology. LED supposedly can hold up to 100,000 hours. This means that if the LED light 24 hours a day he would hold for 10 years. Whereas Fluorencent lights are usually only able to survive 1-3 years.This is a modified version of the circuit, Super bright LED Night Light published that can directly...

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Rangkaian Speaker Protector sederhana

Speaker Protector sederhanaThis circuit follows will connects the speakers to the power amplifier output only a few seconds after the amplifier is powered ON, so that the speakers do not accept popped up by a high voltage and you would not Hear a loud thud sound from the speakers When the amplifier is switched on. This stuff is very harmful...

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Rangkaian Magnetic proximity sensors

Here is the circuit diagram of a magnetic proximity switch sensor which can be used in various applications. The circuit is based on a magnetic reed switch as the proximity sensor. A monostable multivibrator based on NE555 and a toggle flip flop CD4013 does the rest of the circuit.Skema rangkaian magnetic proximity sensorsmagnetic reed...

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Rangkaian Audio Channel Selector Stereo

Audio Channel Selector This circuit serves for connecting the stereo outputs from Four Different channels as inputs and only one of Them is selected to the output at any one time.When the circuit switch on, channel A (AR and AL) is selected. If no audio is present in channel A, the circuit Waits for Some time and then Selects the next channel...

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Rangkaian Kontrol Kecepatan Wiper Mobil

Pengontrol Kecepatan WiperFor some car wiper speed sometimes just made some speed so that less appropriate when we want a different speed, but for those of you who want a digital wiper speed controller you can also use this circuit to replace your old system.Skema rangkaian kontrol kecepatan wiper mobilThis circuit comprises 2 timer NE555...

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Rangkaian Charge Monitor for 12V battery

This circuit project is a function for monitoring the charge level of 12 volt batteries continuously. The circuit possesses two vital features: reduces the requirement of human attention by about 85%. highly accurate and sophisticated methods.A battery is a vital element of any battery-backed system. In many cases the battery is more expensive...

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