PAL Controls Simple Dual Port Memory:  04/27/95 EDN-Design Ideas / (added 11/05)

PAL Facilitates in System Programming:  03/01/96 EDN-Design Ideas / (added 11/05) 

PAL Powers Universal ISA Bus Interface:  02/02/95 EDN-Design Ideas / (added 11/05)

Palmpilot Connector Pinouts:  (electronic circuit added 4/05)

Palmpilot Cradle to Modem Adapter:  (electronic circuit added 4/05)

Palmpilot Serial Port Interface:  (electronic circuit added 4/05)

Palmpilot Turbo Boost Guage Interface:  (electronic circuit added 4/05)

Parallel (Printer) Port Interface:  (electronic circuit added 4/05)

Parallel Application of High Speed Link:  National Semiconductor Application Note   (app note added 2/06)

Parallel AVR Programmer:  (electronic circuit added 4/05)

Parallel Connection - App Note 26:  Apex Microtechnology Corp App Note (added 6/06)

Parallel PC Interface:  One thing I like to do with computers is controlling hardware. Thats the reason for creating a parallel communication interface connected to the printerport of a computer. First I started with a Z80PIO chip on a Z80CPU controlled ZX Spectrum. When I bought my first laptop I knew I would need a compleet new interface. The Z80PIO interface had 16 channels of which each channel could be configured for input or output. Because of the limitations of the parallel port I decided to create 16 input channels and 16 output channels....   (added 10/05)

Parallel port ADC based on MAX147:  (diagram added 2/07)

Parallel Port Central:  information on using PC parallel port for I/O and Windows drivers for that, useful for your own circuit interfacing   (added 4/02)

Parallel Port Controller:  Control Appliances Through a Computer (circuit added 8/06)

Parallel Port Controls Arbitrary Waveform Generator:  06/13/02 EDN Design Ideas  /  (added 1/05)  You can use the parallel port of your PC and a few additional components to generate a powerful, easy-to-use arbitrary-waveform generator. By using a Visual Basic program with the circuit in Figure 1, you can generate any waveform (for example, sinusoid, triangle, amplitudeor frequency-modulated, or exponential decay) by simply entering its characteristic equation....