- Bicycle-electronics
Use dynamo and muscles instead of batteries and fossil fuel.
- Low frequency output
Modifying an USB audio interface for low frequency output.
- LDR
How to switch large currents / high voltages from a computer safely.
- MIDI controlled switchboard
Switch anything on and off by sending MIDI note-on and note-off messages to it.
- Analog to MIDI convertor
Low Cost 8-channel control voltage to MIDI convertor. No CPU's and no software.
- FSR interface
Force Sensitive Resistor strips interface.
A circuit that provides independant position and force-
measurements.
- Macintosh serial ports
Hardware data of the Apple Macintosh serial modem and printer ports.
- Monitor and video connectors
Pin layout and wiring of several video and computer-monitor connectors (Amiga, Apple macintosh,
Commodore, Hercules, Roland S550, SCART, Silicon Graphics and VGA).
- Access the parallel port from C under Linux.
Drive a LED that is attached to the parallel (output)port, using the C programming language under Linux.