Tag: Elektor
Free Elektor Article: Precision Control for DC Motors
This control circuit will provide the correct rotational speed and direction of a 12-V DC motor. Nothing special in that? But there is definitely, when you consider the multitude of potential options for actuating the motor. You can adjust the speed manually with a potentiometer...
Continue ReadingFree Elektor Article: USB Pseudo Battery
Original publication: Elektor magazine September 2015, page 102 Author: Danny Winkler Free download expires: Friday 20 September 2019 Elektor PCB available: yes, low stock. Extra boards available by 23 September 2019, please check article page Please Note: Four...
Continue ReadingFree Elektor Article: Line AC Switch Controlled by Bluetooth Low Energy
This article describes the electronics, the BL600 program and the Android program; the last being an Android smartphone application with which your mains switch circuit may be controlled wirelessly. You may notice an unusual detail for these pages — the transformerless power...
Continue ReadingFree Elektor Article: Improved Radiation Meter
Author: Burkhard Kainka All that’s required to measure radiation is a simple PIN photodiode and a suitable preamplifier circuit. We present here an optimised preamplifier and a microcontroller-based counter. The microcontroller takes care of measuring time and pulse rate, displaying...
Continue ReadingFree Article from Elektor: Aviation Scanner
Original publication: Elektor magazine January 2013. Author: Gert Baars, Free download expires: Friday 9 August, 2019. For aircraft enthusiasts and in particular plane spotters, it’s always interesting to listen to communications between aircraft and control towers. This receiver...
Continue ReadingSuperconductivity at –23 degrees Celsius?
Researchers at the University of Chicago have managed to beat the previous world record for high-temperature superconductivity (HTSC) by 50K. This new material reaches superconductivity at –23 °C (under very high pressure conditions). by Thomas Scherer @ elektormagazine.com Even...
Continue ReadingOscilloscope Differential Probe USB Power Supply
By Dr. Martin Oppermann (Germany) & www.elektormagazine.com In his article published in the July & August 2016 issue, Elektor author Alfred Rosenkränzer presented a wonderfully simple differential probe for oscilloscopes, based around the AD8479 precision differential...
Continue ReadingReview: Siglent SDS1204X-E four-channel oscilloscope
Here is a nice mini review of Siglent SDS1204X-E four-channel oscilloscope by Harry Baggen @ elektormagazine.com: A few years ago I wrote a review about the Siglent SDS1102X and back then I was very enamoured by the quality and extensive capabilities of this affordable instrument. In...
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