Velleman К8063 Instrukcja Użytkownika Pobierz pdf (Strona 16)

Command string examples :

EX1: To reset all displays : Execute the ‘R’-command

Data to be sent to serial port :

Chr$(13) (Init command)

Chr$(8) (Don’t care)

Chr$(82) “R” = Reset command

Chr$(1) (Don’t care)

Chr$(152) (Checksum : 2-compliment of the sum of the 4 previous bytes)

EX2: To display a ‘0’ on all units with address ‘1’ : Execute the ‘A’-command and supply address ‘1’.

Next, execute the ‘S’ (strobe) command.

Data to be sent to serial port :

Chr$(13) (Init command)

Chr$(1) (Address 1)

Chr$(65) “A” = ASCII command

Chr$(48) (ASCII value of zero = 48)

Chr$(129) (Checksum : 2-compliment of the sum of the 4 previous bytes)

100ms pause

Chr$(13) (Init command)

Chr$(8) (Don’t care)

Chr$(83) “S” = strobe command

Chr$(1) (Don’t care)

Chr$(151) (Checksum : 2-compliment of the sum of the 4 previous bytes)

Hook-up

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Brak uwag

Velleman К8063 Instrukcja Użytkownika Strona 16