More about switch (472)

1-12-1993 | When a battery is charged by a solar panel during the day, it may discharge via that panel after sunset. This may, of course, be prevente...

1-12-1993 | Because of their inertia, power consumption, contact wear, and often size, relays are not really suitable for switching alternating volta...

1-12-1993 | Nowadays, several manufacturers produce ICs that combine an infra-red receive LED with associate amplifier and demodulator. The Type SFH5...

1-12-1993 | This is one of the simplest twilight switches ever published in this magazine. When it gets dark, the value of light-sensitive resistor R...

1-12-1993 | The timer, based on EXAR'S Type XR2240, is intended for use in photographie and printed-circuit departments, as a standby switch for 1 V...

1-12-1993 | Now that the camcorder is here to stay as the mobile complement to the trusty video recorder, a problem has come about: selecting between di...

1-12-1993 | A module is described that enables a mains powered device of up to 275 VA to be controlled bya PC via the I²C bus. Since a direct connecti...

1-10-1993 | Many games, utilities and other application software for the Atari ST computer are supplied as ROM / EPROM modules ('cartridges') of which...

1-07-1993 | Many motorcycles have the facility that as soon as the igrutton is switched on, their dipped headlights (or day running lights) corne on....

1-07-1993 | The touch switch is based on a Schmitt trigger with hold contact, which is built from IC(1a), IC(1b) and R3. The output of IC(1b) is fed...