Church of St. Nicholas the Wonderworker How to save on visiting temples and cathedrals Tactical and technical characteristics of the Su 57 Main parts of the helicopter The Runtastic speed and cadence sensor will turn your smartphone into a cycling computer. Why is optimal cadence so important? Module for charging Li-ion batteries How to charge lithium batteries

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Stepper motor control

Stepper motor control

Stepper motors have long been successfully used in a wide variety of devices. They can be found in disk drives, printers, plotters, scanners, faxes, as well as in a variety of industrial and...

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DIY adjustable power supply

DIY adjustable power supply

This regulated power supply is made according to a very common scheme (which means it has been successfully repeated hundreds of times) using imported radio elements. The output voltage varies smoothly within...

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