| The circuit described in this article is primarily intended for installing into a PC, to act as a versatile supply for all kinds of experi...
R. Lucassen (7)
| The hot-plate was designed to keep a tray with developer for print material warm. It may also prove useful in a photographer's dark-room...
| When the Atari ST is provided with an external hard-disk drive, it has to be reset after about 15 seconds, as otberwise the drive is not...
| In older cars, the battery charging voltage is controlled mechanically. The regulator consists of a relay that switches the stator windin...
| This circuit meets the requirement for a simple, low-cost timer with a timing range of a less than a second to several tens of hours, and...
| Phase meters are rare instruments, even in the laboratory or workshop of audio and hi-fi engineers and enthusiasts. Perhaps that is becaus...
| Although modern construction methods have significantly reduced the risk of a building burning down to the ground, any fire can cause...