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Ïðèìåð: max232

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digital remote-control switch b3 1000w 3 power ¸¸¸ circuit

    
Ïðèìåð: Infrared control system



Íàéäåíî: 362     Ïîêàçàíî: 111 - 120
UNIPOLAR STEPPER MOTOR CONTROL CIRCUIT. This circuit controls a small, four-phase, five-wire, unipolar stepper motor, commonly designated the "KP4M4-001." This type of motor was used in many 5 1/4" floppy disk drives in older computers. Now obsolete, such disk drives are often available on the surplus market for a small fraction of the motor's original cost. The stepper motors are easy to extract from the drives, and are ideal for many applications. This arrangement was used in the scale model of a RADAR set to control the position of a miniature parabolic antenna. (Note that some 5 1/4" floppy disk drives used a four-wire "bipolar" motor, which is not compatible with this circuit.)
[ ôàéë â ôîðìàòå rar ] - ñêà÷àòü WinRAR
Category: Êîìïüþòåð
Source: Art's Theremin Page
BIPOLAR STEPPER MOTOR CONTROL CIRCUIT. In this circuit, a potentiometer controls both the speed and direction of a small bipolar stepping motor like those found in many 5 1/4" floppy disk drives. Note that the bipolar motors are distinguished from "unipolar" types, in that bipolar units have two coils instead of four, and four wires instead of five. With the potentiometer at the extreme counterclockwise position, the motor runs counterclockwise at the maximum speed. Rotating the potentiometer toward the center slows the motor, until it stops. Continuing potentiometer rotation clockwise, the motor starts to run clockwise, increasing in speed to the maximum clockwise position.
[ ôàéë â ôîðìàòå rar ] - ñêà÷àòü WinRAR
Category: Êîìïüþòåð
Source: Art's Theremin Page
Ïðîãðàììíî óïðàâëÿåìûé âíåøíèé ïåðåêëþ÷àòåëü ïðèíòåðîâ (Switch).  îáùèõ ÷åðòàõ îïèñàí ýëåêòðîííûé ïåðåêëþ÷àòåëü êîìïüþòåð - äâà ïðèíòåðà, ñïîñîáíûé ïðîãðàììíî ïåðåêëþ÷àòüñÿ. Îïèñàíà àïïàðàòíàÿ è ïðîãðàììíàÿ ÷àñòè.
Category: Êîìïüþòåð
Source: Äîìàøíÿÿ ñòðàíèöà èíæåíåðà
Light show. Computer parallel port can be used for many purposes. One of them could be user circuit control, for example light effect.
Category: Êîìïüþòåð
Source: Saulius Krauleda home page
Audio-video switch. This is an 8-input x-output audio/video switch module to be controlled from a computer, for example from the parallel port.
Category: Êîìïüþòåð
Source: Jap's electronic projects
Âîñòàíîâëåíèå æåñòêèõ äèñêîâ WESTERN DIGITAL
Category: Êîìïüþòåð
Source: Äîìàøíÿÿ ñòðàíè÷êà Åôðåìîâà Àíäðåÿ
Ðåìîíò âèí÷åñòåðîâ WESTERN DIGITAL CAVIAR
Category: Êîìïüþòåð
Source: Schematic Terrorist
Digital to analogue converters for PC parallel port
Category: Êîìïüþòåð
Source: Tomi Engdahl's Electronics Pages
Control 120VAC relay with TTL
Category: Êîìïüþòåð
Source: Circuits Arñhive- University of Washington
UNIPOLAR STEPPER MOTOR CONTROL CIRCUIT. This circuit controls a small, four-phase, five-wire, unipolar stepper motor, commonly designated the "KP4M4-001." This type of motor was used in many 5 1/4" floppy disk drives in older computers. Now obsolete, such disk drives are often available on the surplus market for a small fraction of the motor's original cost. The stepper motors are easy to extract from the drives, and are ideal for many applications. This arrangement was used in the scale model of a RADAR set to control the position of a miniature parabolic antenna. (Note that some 5 1/4" floppy disk drives used a four-wire "bipolar" motor, which is not compatible with this circuit.)
[ ôàéë â ôîðìàòå rar ] - ñêà÷àòü WinRAR
Category: Ìîäåëèðîâàíèå/ Ðîáîòû
Source: Art's Theremin Page
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