| Here is an interesting circuit for all Amiga owners who object to having to disconneet the mouse every time a second joystick is required...
More about Switch (454)
| Various types of dry and rechargeable battery (with an e.m.f. of
| Binary-coded-decimal (thumb-wheel) switches are not only relatively expensive, but are also often not available to the wanted specificati...
| The switch circuit, intended for low-voltage halogen lights, extends the life of the lamps, because it ensures that the filament current...
| The switch described has two time ranges that are selected with a push-button. In the prototype, the ranges were 5 minutes and 20 minutes...
| When a bicycle speedometer must be rugged, accurate and, above alt novel and a Iittle unusual, the 'high-rech' computerized LeD units fou...
| Rectifying the buzzer signal on a telephone line results in a voltage that may be used to switch one or more loads, for instance, a light...
| Overcharging of batteries is prevented by the timely switching off of the charger. A timer that can be set to within a minute can be bui...
| The recently introduced LM2575 and LM2577 switch-mode voltage regulators in the Simple Switcher series from National Semiconductor have a...
| Switches with change-over contacts with traditional debouncing circuits are not always usable or economical. Keyboard switches, for inst...