There are
quite a number of common interface devices that are used with microcontrollers.
This section is devoted to introduce them and proving a few points on how they
should be used.
quite a number of common interface devices that are used with microcontrollers.
This section is devoted to introduce them and proving a few points on how they
should be used.
Some of the
common interface devices that are used in microcontroller are:
common interface devices that are used in microcontroller are:
·
LED output
LED output
·
7-Segment LED Display
7-Segment LED Display
·
LCD Control
LCD Control
·
Stepper motors
Stepper motors
·
Personal Computers
Personal Computers
For discussion,
I shall only be concerned on the LED output of a microcontroller.
I shall only be concerned on the LED output of a microcontroller.
LED output
The LED output
which is generally referred to as a light chaser system is used to display LED
out a particular sequence depending on the application involved.
which is generally referred to as a light chaser system is used to display LED
out a particular sequence depending on the application involved.
Application of led output
LED output
display is used in many applications which include the following:
display is used in many applications which include the following:
·
Burglar alarm system
Burglar alarm system
·
Solid state video display
Solid state video display
·
Image sensing circuits for picture phones
Image sensing circuits for picture phones
·
Optical communication field where radiance gallium arsenide diode are
matched into the silica fibre optical cable.
Optical communication field where radiance gallium arsenide diode are
matched into the silica fibre optical cable.
·
Numerical display in hand-held or pocket calculator
Numerical display in hand-held or pocket calculator
·
Matrix display of alphabet.
Matrix display of alphabet.
