Matrix-orbital LK202-25 Legacy Bedienungsanleitung

LK202-25User ManualImportant: Read page 2 before applying power.

Whether the user is in ‘Buffer Return Status Mode’ or not, the module will ignore display or command bytes which wouldoverrun the buffer. While in ‘Bu

ContrastASCII 'P', Hex 50, Decimal 80Syntax 0xFE 0x80<hex value defining contrast>This command allows you to set the display contrast

Set Debounce TimeASCII 'U', Hex 55, Decimal 85Syntax 0xFE 0x55<number to define debounce time>To set the time between key press and ke

General Purpose Output OffASCII 'W', Hex 57, Decimal 87Syntax 0xFE 0x57<hex number corresponding to output>To turn a general output pu

Initialize Thin Bar Vertical GraphASCII 's', Hex 73, Decimal 115Syntax 0xFE 0x73This command is excuted in exactly the same manner as the &a

LK Character Font Chart14

SpecificationsEnvironmental SpecificationsElectrical SpecificationsOptical Characteristics Standard Temp. Extended Temp. Operating Temperature 0º t

LK202-2516

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Connecting LK202-25Regular VoltagePower is applied to the white or brown four pin SIP connector as follows:Pin 1: +5VdcPin 2: = SCL (I²C clock)Pin 3:

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Power may be provided to the module by pin 9 of the DB9 connector instead of through the 4-pin SIP. If power is to beapplied using the DB9, it must be

The Keypad InterfaceKeypad Interface via I²CThe keypad is read by I²C master read. In short, this means that a read of the module will always return t

- Row 5 - Row 4 - Row 3 - Row 2 - Row 1 - Column 5 - Column 4 - Column 3 - Column 2 - Column 1Keypad ConnectorCOLUMNS1 2 3 4 5ROWS1 A B C D E2 F G H

LK202-25 Command SetWrite TextThis section of the manual allows the user to send commands to the LK to alter the appearance or behavior of the display

Read Module Type ValueASCII '7', Hex 37, Decimal 55Syntax 0xFE 0x37To read the module type value, send a command prefix followed by the char

Set Contrast and Save ValueHex 91, Decimal 145Syntax 0xFE 0x91This command works in exactly the same way as the “Set Contrast” command. The only diffe

Auto Scroll OnASCII 'Q', Hex 51, Decimal 81Syntax 0xFE 0x51To enable auto scroll, send a command prefix followed by the character ‘Q’.Auto S