5-channel low-power interface circuit programmable sensor signal processor AD7714 and DSP
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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Pin 3 defines the Display type: Common Cathode or Common Anode. Connect this pin to GROUND if you...
This linear amplifier delivers 10-W PEP output; with 1.25-W drive on 10 m. Tl, T2, and T3 are 10...
Simple Inverter for Soldering Iron. Right here is a very simple but low-cost inverter for making...
Based on a National Semiconductor application note, this circuit uses an LM317 3-terminal...
DC current (Battery) is needed by the carbon transmitter to make the phone work. The way the...
This circuit shows an active antenna that can be used for AM, FM, and shortwave (SW). On the...
With the easy availability of inexpensive digital multimeters, and integrated circuit temperature...
The induction receiver shown below is very sensitive and can serve a variety of purposes. It is...
A square wave generator with IC UA741 range shown here. The circuit uses positive feedback to the...
In the circuit below, 60 individual LEDs are used to indicate the minutes of a clock and 12 LEDs...
This simple circuit drives 6 LEDs in `Knightrider scanner mode`. Power consumption depends mainly...
1999 S10 2. 2L Fuse Box Quesion. There are two (what appear to be) main power terminals on the...
This project introduces a fundamental electronics building block: the counter. Building yourself...
Circuit shown in Figure 6-24. Both ends of the relay coil in parallel with a resistor Rf or...
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