ld168 audio control circuit diagram of a voltage-controlled flash decoration
Posted on Mar 28, 2007
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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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A voltage window switch is in practice the basic lower window limit of this circuit is roughly 3V...
This low-cost operational-amplifier circuit (A) generates four different functions with...
Two hybrids (Tl and T2) are used to allow direct connection to a telephone line. This circuit...
Make a 0-25 mA current limiter. I want to take a control voltage of 0-5 V as input and have it...
Controller for Hybrid Power Plant block diagram of the HPP, comprised of 440 Wp photovoltaic...
This tester is designed to locate stray electromagnetic (EM) fields. It will easily detect both...
A GPS tracker demonstration program with data logging capacity. It uses BasicStamp 2P (also you...
A project on temperature/humidity logging a couple of years ago. In that project I logged the...
Prior to the advent of FET-input digital multimeters (DMMs), the vacuum tube voltmeter (VTVM) was...
The timer circuit shown gives independent control of the output`s on and off intervals, which can...
The first circuit of nickel-cadmium battery discharge before recharging to eliminate the...
AC-DC-AC circuit when the power transistor as a switching device with analog control if built...
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