Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
VB, few resistors, switches and a seven segment display connected to parallel port can do.
Connect display to pin 2 to 8 (&H378) with current limiting resistors, connect switches to pin 15, 13, 12, 10 (active low).
Create a project in VB to read port, process data and display result.
You need to download .dll files available on many sites to access parallel port in Win OS.
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