Data acquisition system circuit
Posted on Dec 11, 2010
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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 general (and very basic) principle of operation is shown in Figure 1. The test signal is...
U2 is a decade counter /divider, Ul is used as a switch debouncer. For a self-generating system,...
The circuit uses CA3290 BiMOS dual voltage comparators. Non-inverting inputs of A1 and A2 are...
without significant added complexity, and a natural tendency to run away under no-load (high Q)...
There are a lot of alarm systems on the market but you might be inclined to build your own. This...
If you ever look at construction notes for building old detector type radios the type of...
With this compact FM adaptor circuit plugged into the audio out of your cassete player or i Pod...
The LM4610 is a DC controlled Tone (bass/treble), volume and balance circuit for stereo...
The +/- 3 dB point for the treble is about 2, 5 KHz, with about 12 dB boost/cut at 10 KHz....
This circuit is an oscillator that generates a square wave. The op-amp starts with its two inputs...
Fluorescent tube is connected in the LC resonant circuit composed of L2 and C9. Bidirectional...
Circuit shown in Figure, the circuit can achieve greater power output, just change the part of...
Drive the light emitting diode is shown in the digital display circuit, the count signal to...
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