Randomize Numerical Range Output To RS-232 With Speed Control

Jan 17, 2012

I have a USB device that is "seen" as a COM Port. It has eight channels, each require a single character to turn ON/OFF. It's a DLP-IO8 for reference.
1-8 turns ON each channel
Q-I turns OFF each channel
Sending a "124" will turn on channels 1, 2 and 4.

I want to randomize ON/OFF with "on-the-fly" speed control.
cmbSPRan.Value is my NumericUpDown starting at 1 and ending with 10
RandomNumber = RandomClass.Next(1, 87654321)
SerialPort1.Write(RandomNumber)
Timer1.Interval = (cmbSPRan.Value) * 250
[Code] .....

I need a loop that I can still use the functions of the form (change speed or Stop loop).a way to utilize Q-I to turn the channels OFF randomly. I've tried Do Until, Do While loops and a few others.

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VB 2010 Express - Randomize A Numerical Range Output To RS-232 With Speed Control

Jan 17, 2012

I have a USB device that is "seen" as a COM Port. It has eight channels, each require a single character to turn ON/OFF. It's a DLP-IO8 for reference. I have the COM port part working 100%.

1-8 turns ON each channel (12345678)
Q-I turns OFF each channel (QWERTYUI)

[Code]....

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VB 2010 Express - Randomize A Numerical Output To RS-232 With Speed Control

Jan 17, 2012

I have a USB device that is "seen" as a COM Port. It has eight channels, each require a single character to turn ON/OFF. It's a DLP-IO8 for reference. I have the COM port part working 100%.

1-8 turns ON each channel (12345678)

Q-I turns OFF each channel (QWERTYUI)

Truth table for device:

1 = Ch1 ON | Q = Ch1 OFF
2 = Ch2 ON | W = Ch2 OFF
3 = Ch3 ON | E = Ch3 OFF

[Code].....

a loop that I can still use the functions of the form (change speed or Stop loop).
a way to utilize Q-I to turn the channels OFF in random mode

I've been searching for a few days with little luck. I've tried Do Until, Do While loops and a few others.

I've only been coding for a few days now so go easy. Learning as I go. My form for reference

Ultimately I'm trying bring my PC Interface project up to date by going from a parallel port to USB.

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