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Training
- CoreChart Applications and Projects
CoreChart
Applications and Projects
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These projects were
designed for eLabtronics previous boards, the elab40 and elab628,
which are no longer available. However, these projects can
be applied to eLabtronics' latest range of development boards
which can be found in the Product
Catalogue.
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The
elab40 as a Real Time Clock Keeper
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This
project has the PIC16F877 MCU interfacing with the Dallas DS1302,
a time keeping chip. The DS1302 chip stores the current date and
time in registers of seconds, minutes, hours, days, months and
years. The interface allows the 16F877 to read the time keeping
registers, as well as writing to any of them for changing the
time. The files available to download include a test program and a
document on interfacing the elab40 with the DS1302 chip.
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Using
the Infrared / Light Detectors on the eRacer
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This
project contains documents and test programs for the eRacer. In
particular, it has information on using the infrared LED and LDR
on the eRacer. |
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Delay's
Workshop |
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This
project will describe and illustrate the reasons for the insertion
of delays in the instruction list for the PIC628. It explains why
they are used and how to design delay subroutines that can be
tailored for very specific amounts of time. It includes program
examples and documentation with exercises.
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I2C-24LC256
EEPROM Interface |
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This
package provides subroutines that enable a microcontroller to read
and write to EEPROM devices using the I2C bus. It includes test
programs and documentation. |
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Interrupt
Clock |
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This
project provides a a real-time clock using an interrupt to count
every 1/100 of a second. The included program demonstrates a
working timer using a PIC microcontroller as well as demonstrating
how to use interrupts, such that the program may be modified for
other purposes. Subroutines and documentation are also included.
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Pulse
Width Modulation (PWM) |
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This
package explains what PWM is and how it is generated on the
PIC16F628 chip. It includes a PWM subroutine that is used to setup
the hardware PWM output on the microchip. The documentation will
describe how to change the frequency and duty cycle of the PWM
using formulae provided in this document. |
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RS232
Communication |
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This
package provides subroutines for communication with a host
computer via the RS232 protocol. It is designed for a 4MHz clock
at a baud rate of 9600bps. Documentation and sample programs are
included. |
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Water
Level Sensor |
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This
project involves modifying the hardware of the standard elab628
board and programming it to operate as a water level sensor. A
pair of metal rods placed in a water tank is used as the sensor
device and the elab628 outputs the water height
to the eight LED's onboard. Documentation and programs are
provided. |
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Course
Notes: Introduction to the elab628 for first time
programmers |
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These
notes introduces the concepts of programming microcontrollers and
working with digital units (instead of analog). It also outlines
some features of the elab628 board and the
possible input and output circuit connections to the 16F628 chip.
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Links
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