General Purpose I/O

 Input Ground Technology is the basin tech of Parallel porting or I/O based Systems. If Most of the time its input 1 then we need to add 74ls04 before inputting data to Pin 10,11,12,13,15.

GP I/O Layout

Binary Input

Schematic

Binary Output for relay based system

Vb.Net Integrated Development Environment

http://download.microsoft.com/download/8/B/5/8B5804AD-4990-40D0-A6AA-CE894CBBB3DC/VS2008ExpressENUX1397868.iso

Others

CB One: LEDs

CB One: LEDs 2

CB One: Auto Data Stable Code 1.1

CB One: Parallel Port DLL Interface or Connection

CB THREE: WHAT YOU WANT

CB One: Binary Output Expander Technology

CB One: Binary Output Complete

CB One: Digitally Controlled Power Supply 1

Table based Electronics or Rb Technology

BI: Reading from Parallel Port

More Tips coming soon...