Peter Demchenko studied math at the University of Vilnius and has worked in software development.
Peter Demchenko
Peter Demchenko
Areas of interest of the author: Microcontrollers Usage Digital Analogue Design Amplifiers Games Measurement Supply Automation Security Power
Publications on RadioLocman by the author Peter Demchenko:
- An LED display adapted for DIY projectsThis expandable LED display for a microcontroller in Figure 1 has a simple interface with only...14-09-2023
- Low-distortion discrete buffer amplifier handles bipolar signalsSometimes, the need arises for a low-distortion buffer amplifier capable of handling bipolar...04-09-2023
- Extending the resolution of a peripheral DACThe 8-bit resolution of a peripheral DAC (such as the ATtiny family, for instance) is often...10-08-2023
- A safe adjustable regulatorFigure 1 shows a typical using of LM350 (LM317) adjustable regulator when you need to...13-04-2023
- Using a MOSFET as a thermostatic heaterThe MOSFET in Figure 1 is used as both a heater and a temperature sensor in a thermostatic...30-03-2023
- Shunt circuit clips large transients or regulates voltageThe circuit in Figure 1 is a high-power analog of the popular TL431 programmable shunt...24-11-2022
- Alarm monitors rotational speed of dc motorYou can use the circuit in Figure 1 to monitor the rotating speed of a dc fan motor and sound...19-09-2022
- A simple ratiometric technique for measurement of very low resistancesMaybe the most common applications for very-low-value resistors (i.e., milliohms (mΩ) and...11-08-2022
- Simple switchable filterFigure 1 shows how a Sallen-Key high pass filter (HPF), can be switched on/off using only one...14-07-2022
- Very Simple Amplifier with Phantom PowerThe circuit in Figure 1 is suited for inductive sources such as a dynamic microphone,...26-05-2022
- Improved Optocoupler Circuits Reduce Current Draw, Resist LED AgingIt seems deceptively simple to establish galvanic isolation with the help of optocouplers between...17-03-2022
- Mains-driven zero-crossing detector uses only a few high-voltage partsYou can get isolation with low power consumption using this simple circuit The circuit in this...17-04-2012