
USB to LPT Converter Circuit with Atmel ATMEGA8
Converter from USB to LPT parallel port (25 pin SubD receptacle) with hardware virtualization at input/output instruction level Supports all parallel port modes named SPP, EPP and ECP, 16 Byte FIFO depth USB Low Speed (1.5 Mbit/s signaling; 1... Electronics Projects, USB to LPT Converter Circuit with Atmel ATMEGA8 "atmega8 projects, avr project, microcontroller projects, " Date 2019/08/01
Converter from USB to LPT parallel port (25 pin SubD receptacle) with hardware virtualization at input/output instruction level Supports all parallel port modes named SPP, EPP and ECP, 16 Byte FIFO depth USB Low Speed (1.5 Mbit/s signaling; 1 kByte/s for input/output instructions) Supports USB suspend mode with reduced power consumption Full open-source, even for schematics and PCBs
In particular laptop works well with a circuit :) USB port Lpt port çevriy Windows 98-Me-2k-XP-Vista driver files there is also the source. C. H. Hex code and eagle crafted with PCBs schema files are
USB to LPT
Source: http://www-user.tu-chemnitz.de USB to LPT Converter Circuit with Atmel ATMEGA8 alternative link:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-1089.zip
Laser Sound Transmission Line Transformer
A simple laser communicator. How would you like to talk over a laser beam? In about 15 minutes you can set up your own laser communication system, using cheap laser pen pointers and a few parts from Radio Shack.