Two-phase stepper motor drive system circuit
Posted on Mar 28, 2007
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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..... -
The best human ear can capture sounds from 20Hz to 20KHz. These limits are known to be the broadest that can exist. Normally the normal limits range from 100Hz to about 13KHz and depend on the age and health of the individual. We for our measurements and to....
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The transceiver is composed by three single sided printed boards 100x70 mm, theese may be...
The circuit is built around two power FETs, which are configured as a simple astable...
I am using the UCD90124/A, among other things, to monitor multiple voltages. Several of these are...
The following circuit works as a toggle switch. The circuit has two stable states, ON and OFF....
This is yet another project born of necessity. It`s a simple circuit, but does exactly what it`s...
This car stereo booster uses an LM2896 IC which has two integrated amplifiers. It can be powered...
This cable tv amplifier circuit is a rf amplifier designed to be quickly installed between two...
A relatively High power H-bridge motor controller (which is the most common way to control DC...
The Intersil ISL43485 is a high speed BiCMOS 3. 3V powered, single transceiver that meets both...
These "ion chambers" are nothing more than a bare wire stuck through a hole into a metal can! No...
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