Category Archive: Parallel port interface

Feb 04

Parallel port interface

This is a project I made in 2003. It is a box with 8 leds in it that can be controlled by the parallel port of a pc.

schema
Source.

Pictures:
ppi

ppi
ppi

ppi

Aug 23

Parallel port interface – Update

I started building a new version with 8 triacs to drive light bulbs.

PPI triac kaart
PPI triac kaart
PPI triac kaart

Sep 04

Parallel port interface – Update

I received the missing parts and finished the pcb
PPI
PPI

Circuit diagram can be found here: Link.