| If you ever need a large display to keep the score for games, or a counter for sports events, this is the thing to build. With its four tall...
| If you ever need a large display to keep the score for games, or a counter for sports events, this is the thing to build. With its four tall...
| The mains filter described in ‘PC Topics’ (April 1998) could do with two useful additions: a fuse monitor and a voltage indicator. The f...
| This campact four-digit counter is suitable for many applications, such as clocks, frequency meters, digital voltmeters, tachometers, sto...