Audio Mixer with 2N3819
Posted on Nov 26, 2012
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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The linear dual tracking power supply, shown in the schematic, provides 0-15 volts, at 1/4 amp,...
This circuit employs a synchronous demodulator to separate a 1 KHz signal from noise and measures...
Using this low cost Project one can reproduce AUDIO from TV without disturbing anyone. It does...
The control of both direction and of proportional motor speed is achieved by rotation of a single...
In photography r a separate flash, triggered by the light of a master flash light, is often...
The IQ_Mod project illustrates the use of the IQ_Mod_Setup and IQ_Mod_Data components in ADS....
An oscillator is a circuit that can generate a frequency source such as a sine wave, square wave...
The Allegro ® A8732 is a Xenon photoflash charger IC designed to meet the needs of ultra low...
This is a circuit that will go off once it detects a certain amount of light. Once the light the...
A pre-requisite for this article is that you have the GCC AVR programming environment installed...
No matter WHAT the label on the radio (or the seller) says, no Spectra will ever operate over the...
A light/dark sensing circuit is extremely useful and versatile in a wide range of renewable...
That circuit is similar in concept to the BK Butler/Tubeworks Tube Driver. Since there is only a...
CDI011 integrated circuits using sound, light control stairs delay switch circuit is relatively...
Circuit shown in Figure 3-154. Figure, KM3 braking contactors. Shutdown, you can disconnect the...
Circuit shown in Figure 3-162. in graph. SBi is forward the start button, SBz to reverse the...
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