Elektor Team (9510)

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| Sound effects are always popular. One of the most popular effects for `livening up` disco- shows, films, etc., is the (police) siren. T...

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| DIN case Mentor Electronics are supplying a new DIN case (Series 940) size 96 mm x 48 mm suitable for housing digital panel meters, smal...

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| English Electric Valve Company Limited announces the first practical electronically tuned magnetron. Original EEV research, sponsored by...

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| Al bar is an ultrasonic movement detector, based on the Doppler effect. It uses only one ultra- sonic transducer as both transmitter an...

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| Several readers have asked us to design a good metal detector. When our `research and development` group took a closer look at the prob...

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| Relatively few components are used in this eggtimer. The `boiling time` is automatically determined according to the size of the egg an...

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| The washing machine starts to leak while you`re watching TV .... Or the freezer fails and you don`t notice it for a day or two .. Or th...

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| A circuit for producing a calendar display using the pulses from a digital clock has already been described in Elektor 8. This design p...

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| A domestic intercom doesn`t require a complicated circuit. The unit described here uses only a handful of components, even though an...

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| Although designed as a warning horn for use . with the `Albar` ultrasonic alarm system de- scribed elsewhere in this issue, the...