Board Description

  1. 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.
  2. 7805 pin compatible regulator is provided for on board dc regulator ( for this lot only ) .
  3. 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.
  4. 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.)
  5. Here is connector for driving external relays. A ULN2803 driver is provided on board for this purpose.
  6. On board LEDs for easy checking working and connection status.
  7. Buffers are surface mount component to save space.
  8. 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.
  9. Here is the Reset switch.
  10. The board accepts dc or ac input, with on board diode, for maximum convenience.

Board Descrition in PDF format(Download)

 
Copyright 2003-04 DigiCrafts. All Rights Reserved.  Visa Mastercard Discover American Express eCheck