My Pet project : Address
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Pin Layout for the Centronics (Printer) Port as used by the Address Software.
Here is the basic layout of the printer Port Connector.

Pin 2: D0 (Least significant Bit)
Pin 3: D1
Pin 4: D2
Pin 5: D3
Pin 6: D4
Pin 7: D5
Pin 8: D6
Pin 9: D7 (Most Significant Bit)
For testing purposes, use the following guidelines to setup a test circuit.
Simple example for addressing an electronic device.
By using pins: 2;3;4;5, you can address from 0 to 15 addresses. Sufficient enough for a De-Multiplexer etc.
I used diodes for additional protection, although I have
never harmed a printer port (But rather safe than sorry).
Remember to use Binary whilst using address.
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Last Updated: 2002\06\15
Contact Information: welman1@ananzi.co.za
Download the Demo
The Demo of Address. Please note - Ther is no error trapping or completed helpfile yet. But the demo is completely functional. (Don't delete - Uninstall from Add/Remove Programs if you need to).  Unzip to a Temp folder and run setup - keep all directories etc. as default.We cannot accept responsibllity for Program or System Malfunction of any kind whatsoever (Demo Software was Virus tested with NORT...2002).
Copyright (C) Amlabs 2002
Picture by Willie