Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

Add a light pen to your video display. Design and construction of a pen and driver that is used with a Processor Technology VDM-1 to add or delete characters anywhere on the screen without first having to position the cursor. Est. cost: $3.
BYTE Feb 1978 (v.3#2) pg. 52

Build a simple light pen for the Apple II. Uses a phototransistor as the sensing element. Strategic use of software avoids complex hardware.
BYTE Jun 1983 (v.8#6) pg. 395

Schematic for a light-pen for the Commodore 64.
BYTE Apr 1984 (v.9#4) pg. 417

PET I/O port expander. Part 2. Build a light pen.
KILOBAUD MICROCOMPUTING #43 Jul 1980 pg. 84

A Tic-Tac-Toe game for your Elf computer. Use a simple light pen as the input selector. Construction details of the pen are included. The program is given in octal format.
POPULAR ELECTRONICS [1] Nov 1978 (v.14#5) pg. 98

Experimenting with a light pen. Part 1. Includes circuits for making and using a light pen.
POPULAR ELECTRONICS [1] Dec 1980 (v.18#6) pg. 80

Experimenting with a light pen. Part 2. Adding a bus register and a light-pen controlled LED display.
POPULAR ELECTRONICS [1] Jan 1981 (v.19#1) pg. 86

Build a light pen for your Commodore 64.
RADIO-ELECTRONICS Jun 1985 (v.56#6) pg. 12 (ComputerDigest)

Frequency counter for your Commodore C-64 computer. A simple program and a light pen convert your computer into a tachometer to measure the rotational speed of most objects.
RADIO-ELECTRONICS Mar 1986 (v.57#3) pg. 12 (ComputerDigest)

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