More about circuit (744)

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| PWM drivers are used in analysing, testing, installing and powering all kinds of electronic and electrical devices. We have published a few...

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| Many appliances these days are switched on and off with the simple push of a 'soft' on/off button. In the 'off' position the...

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| There are several techniques for providing lab-grade contacts from one track side to the other on DIY printed circuit boards. They range fro...

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| There are many different types of stepper motor. Because there is no documentation available for stepper motors that have been removed from...

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| A zapper is a device that is often used in alternative medicine. This device is a so-called electronic bioresonance pulse generator, which g...

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| The 40106 is a versatile CMOS IC containing six Schmitt trigger inverters. It can be used to implement a set of alternating-action switches...

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| Everybody who builds their own equipment will come across this problem at some stage: How can I create the layout for a decent front panel?...

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| The use of the low-cost RFM12 868 MHz (US: 915 MHz) ISM (licence-free) radio module with microcontrollers like the ATmega and the R8C13 is s...

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Bat

| Here’s a novel way of listening to bats over the Summer. Put the receiver — powered by four AA (R6) cells — on a window-ledge, for example,...

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| There are two sorts of lights on aircraft: red or white flashing lights, which are called ‘anti-collision lights’, and steady lights, red on...