May 2024
Intermediate to advanced
534 pages
17h 58m
English
book
8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
by Subrata Ghoshal
Content preview from 8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
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23.7 | SOLVED EXAMPLE
23.7 | Solved Example
Example 23.1
Purpose: To verify the functioning of a servomotor for three standard pulses by designing the related hard-
ware and software and conducting experiments thereafter.
Problem
Prepare a hardware circuit to interface a servomotor and three keys with 8051. Develop a software so that
each key, when pressed and released, would generate only one pulse. e durations of pulses should be 1, 1.5
and 2 milliseconds, respectively, for keys K1, K2 and K3.
Solution
A circuit to meet above specifi cations would consist of three keys, one servomotor properly interfaced and
the reset circuit for the 8051-based ...
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