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To measure is to know' is applicable not only to electronics, but also to weather
forecasting. Temperature, relative humidity and barometric pressure can be measured
with domestic weather stations. Such stations usually contain a traditional barometer,
the design of which has not changed for...
Semiconductor manufacturers are always coming up with new techniques
and tricks for making effective use of energy. Final amplifiers for car sound
systems are no exception.
Thanks to a built-in microprocessor, this clock has a wide range of features
and settings. The six large figures of its display, which is made up of many
3-mm LEDs, it can be clearly read at a distance. And you can operate it
with a two-button remote control unit.
This ingeniously designed circuit may be just the
ticket for those interested in weather observations,
in particular, wind speed and direction. The clever
bit about the instrument is that both wind speed
and wind direction are measured with a single
sensor: a rotational speed meter with three...
Remote control is commonplace these days, with telephone answering machines,
garage doors and central locking systems for cars responding to infrared remote
controls small enough to fit in your pocket. Although infrared remote control transmitters
and receivers have been the subject of...
Most commercial digital Capacitance meters can measure capacitors from
a few pFs (picofarads) up to 2,000 µF (microfarads). A few are able to
measure up to 20 mF. Circuits like audio power amplifiers, switchedmode
power supplies, printers and photocopiers often incorporate really
large...
Music has been defined as ‘the art of combining sounds in a manner that
is agreeable to the ear’. We thought would be a nice idea to entrust this
delicate task to the best-known microcontroller in the Microchip stable,
the PIC 16F84.
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