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Relay Addon Board:(Product
code: CT-RLY1)
This board contains 8 relays
rated at 250V / 5A operation. The board can be
plugged into any 8 bit port. The terminal
connectors at the end can be used to connect the
electrical loads. The relays are driven using
the popular ULN2803 IC that consists of
darlington array capable of sinking around 500ma
current.
The board is shipped with demo
software written in PIC-‘C’.
I2C
Serial EEPROM Addon Board:(Product
code: CT-SE1)
This board is based on the I2C
bus. It contains sockets for two Serial EEPROMs
that can be used as an external memory to store
user data. User can set/select addresses of the
chips using jumper settings. Any popular 24LC
series from Microchip or 24C series from Atmel
can be used on the board. The board ships with a
single 24LC08 SEEPROM. One may select from
24LC512, 24LC256, 24LC128 etc.
The board is designed to be
cascadable, and similar boards can be further
cascaded, and upto 4 such boards (with two
EEPROMs each) can be added.
The board is shipped with demo
software written in PIC-‘C’.
RTC
Addon Board:(Product
code: CT-RTC1)
Based on the ds1307 RTC chip.
This board uses the I2C protocol and fits in the
PORTC connector. The RTC is battery backed and
hence retains the time and also keeps the clock
running. Upon powerup the software on the kit
can read the date/time information from the RTC
chip. The board has a connector that can take
other I2C boards.
The board is shipped with demo
software written in PIC-‘C’.
Graphics LCD board:(Product
code: CT-GLCD1)
The graphics LCD board is based
on the popular Nokia 3310 based graphics LCD
that has a monochrome LCD. The max resolution is
48 x 84 pixels. The LCD is based on the Philips
PCD8544 controller. The programming is done
using a variation of the SPI (Serial Peripheral
Interface).
The board is shipped with demo
software written in PIC-‘C’.
PWM
based speed controller :(Product
code: CT-PWM-mot1)
The board drives a small 6v DC
motor using a transistor. This transistor is
controlled using the PWM out signal from the PIC
controller. The varying pulse width (duty cycle)
drives the motor at different rates and hence
the RPM is controlled. A feedback from the
rotating motor shaft is given back to the
controller that is displayed on the LCD.
The board is shipped with demo
software written in PIC-‘C’.
Infra-Red based person counter:(Product
code: CT-PWM-PC1)
The PWM from the CCP module of
the PIC is used to produce a 38Khz signal for
the Infra-red LED. This signal is detected by a
TSOP pair. When the light is interrupted, the
PIC counts it. The direction of interruption
either increases or decreases a counter and is
displayed on the LCD.
The board is shipped with demo
software written in PIC-‘C’.
Audio
recording/playback board:(Product
code: CT-APR9600)
The board is an addon to the KOL
that can be used to record any combination of
messages totaling upto 60 seconds of recording
of audio. The board contains a condensor mic to
pickup the audio. The recording/playback can be
controlled by software.
The board is shipped with demo
software written in PIC-‘C’.
RF
transmitter/receiver :(Product
code: CT-RF1)
These RF communication boards
are available in the following combinations:
The boards are based on the
Low-Cost SAW-stabilized surface mount OOK RF
transmitter/Receiver pair. These work at 433 Mhz
and employ an encoder IC on the transmitter and
a matching decoder IC on the Receiver.
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