Lets review the pins of parallel port. It has eight outputs and five inputs only.
How to expand and use 3 by 128 devices
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CB One: Binary Output Complete
If your a newbie and wants to understand CB One thoroughly. Heres a way to test its function using VB.Net or C#.Net.
2. Download and install vb.net here: http://download.microsoft.com/download/E/8/E/E8EEB394-7F42-4963-A2D8-29559B738298/VS2008ExpressWithSP1ENUX1504728.iso1.Read the Introduction
3. Open this project file vb.net or c#.net: https://drive.google.com/file/d/11-G6M9BeUCALu39Zimz9rReFsjcxYRw6/view?usp=drive_link
4. WRITE 1 , 2, 4 (Out)
ENJOY!!!
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CB One: Digitally Controlled Power Supply 1
This circuit is just a way to show Binary to Decimal can be done through Binary Output or DO using computers through parallel port.
In the incoming days or weeks, I'll show to you other ways also. Lets start from this guide.
References: Archive.org
Thats it!
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Set the Time and Date
When you double-click the time, the time and date window doesnt open. Heres how.
1. Press Win+R > type "timedate.cpl"
Thats it!
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CB Zero: Adjustable Power Supply with Scientific Ideas
Here you are lets try to solve what and how its possible to add transistor to a Voltage divider circuit:
Vout = Vb - 0.7, really? see early articles, from sum of voltages equals zero.
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CB Zero: Memory Cell
A relay with one contact and a push button can do the job of storing one bit of information as shown.
Using CodeBase
Declaring
an integer variable to public for storing information in CodeBase IO.
GP Latch
ENJOY
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CB Zero: Latch or One Touch Shimasu
Heres a way to turn ON the relay without Reset or OFF. It can be use as short circuit protection, Fire Alarm Bell e.g. once the fire started the alarm goes ON and No way Turning it Off. OK now?
Table based Electronics or Rb Technology
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