- 40pin DIP socket is provided for the CPU.
User can replace the CPU
with EEPROM version CPU with his own codes to suit his specific
need easily.
- 7805 pin compatible
regulator is provided for
on board dc regulator ( for this lot only ) .
- Connectors are located on three sides
of the board for easy
connection. Alternate ground configuration is used for best
condition for transfer of in out signal.
- Places are reserved for terminating resistors
in case user want to
solder in any pull up and pull down resistors for the input
signal lines and data buses. (
Pull up resistors are provided for this lot now.)
- Here is connector for driving external
relays. A ULN2803 driver is
provided on board for this purpose.
- On board LEDs for easy checking working
and connection status.
- Buffers are surface mount component to
save space.
- Jumper for setting communication protocols
¡V ASCII mode or binary
mode. There also jumper for setting input mode, in bit or in
word
form ¡V that is, latch all input before reading.
- Here is the Reset switch.
- The board accepts dc or ac input, with
on board diode, for maximum
convenience.
Board Descrition in PDF format(Download)