J. Bosman (5)

1-07-1996 | In many countries, there is a legal requirement for can and motorcycles to have lights on whenever the vehicle is moving. In even more c...

1-07-1995 | Many motorcycles have no temperature gauge - which means that their riders have to guess whether the engine is hot, cold or lukewarm (b...

1-12-1994 | One tiny integrated circuit and a handful of standard components allow you to build a multi-purpose proximity switch. The circuit can be us...

1-12-1993 | A solid-state bell-push is far more robust than the usual mechanical type. The touch contact may be made from an audio socket, which has...

1-07-1993 | Many cars are not fitted with fog lights and, what is more, there is often no provision for them. However, since in most European and Nor...