VK202-25-USB-E【PDF 2/42 页】VF CHARACTER DISPLAY 20X2 USB

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6

3

Software

The multiple communication protocols available and simple command structure of the LK202-25/VK202-

25

means that a variety of applications can be used to communicate with the display. Text is sent to the

display

as a character string, for example, sending the decimal value 41 will result in an 'A' appearing on

the screen. A number of control characters are also activated. Commands are merely values prefixed

with a special command byte, 254 in decimal.

Table 2: Reserved Control Characters

Control Characters

8

Backspace

10

Line feed / New line

12

Clear screen / New page

13

Carriage return

Once the correct communication port is identified, the following communication settings can be applied

to communicate correctly with the LK202-25/VK202-25.

Table 3: Communication Settings

BPS

Data Bits

Parity

Stop Bits

Flow Control

19200

8

None

1

None

Finally, with a communication port identified and correctly setup simple text strings or even command

bytes can easily be transmitted to control your display.

3.1

uProject

The Matrix Orbital alphanumeric display tuner, or uProject, is offered as a free download from the

www.matrixorbital.ca support site. It allows the basic functionality of *any display to be tested using a

simple graphical user interface system.

While basic functionality can be tested using the GUI portion of the program, more advanced users will

enjoy the scripting capability found in the uploader tab. Here commands can be stacked, run, and saved

for later use. Although many commands are available to be

dragged into the script dialog, perhaps the

most powerful is the raw data command found in the other branch.

*Note:

The uProject AutoDetect function will not perform correctly when a USB display is connected. Please

manually configure any USB display.

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相关PDF资料

VK202-25-VPT VFD ALPHA/NUM DISPLAY 20X2

VK204-25-422 VF CHARACTER DISPLAY 20X4 RS422

VK204-25-VPT VFD ALPHA/NUM DISPLAY 20X4

VLM-532-42-SCA LASER MODULE 532NM 1-5MW DOT

VLM-532-46-LCA LASER MODULE 532NM 1-5MW LINE

VLM-635-14-SPA LASER MODULE 635NM 1-5MW DOT

VLM-635-15-LPA LASER MODULE 635NM 1-5MW DOT

VLM-650-00 LASER MODULE 650NM 1-5MW DOT

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