More about circuit (738)

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| A tilt sensor is a very versatile device: for example, it can be used as a (game) controller or as an alarm sensor to protect valuables. The...

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| PP3-size 9 V batteries (IEC: 6LR22) have a considerably poorer price/energy ratio than 1.5 V AA (IEC: LR6) cells. This makes it all the more...

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| Given that every PC has a powerful, well-regulated PSU that supplies, among other things, a 12 V rail, why not make use of it to produce a P...

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| This circuit can be made to produce interesting and attractive light effects using just a cluster of red LEDs and one of green LEDs. One eff...

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| Anyone who's spent much time searching the web for interesting circuits is likely to have found at least one TL431 based audio amplifier, th...

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| In some circumstances it may be necessary to select LEDs with closely matched characteristics. This design makes the job a whole lot easier....

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| This circuit was designed for monitoring the charge- and discharge process of a 6-V lead-acid battery. This process takes place between 6.2 ...

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| Crystal filters are often used for IF filters in receivers, where the bandwidth of this filter largely determines the selectivity of the rec...

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| This is a design for a rear bicycle light that automatically switches on and off according to ambient lighting conditions. The red LEDs flas...

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| The LM3410 IC is a constant current LED driver useful in either boost converter or SEPIC design applications. A SEPIC (Single Ended Primary...