Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece of cardboard. This step-by-step tutorial covers mounting the motors, wiring ...

Abstract: This paper presents a pinning-based switching control approach for the charging and cell balancing of supercapacitors. The developed supercapacitor energy storage system is modeled as a ...

If you’ve got a decent CRT monitor, you can usually adjust the settings to make sure the image scans nicely across the whole ...

Using a single microcontroller port to drive a multi-digit LED display to help engineers with those last-minute design ...

Abstract: The paper presents an original realization of a CMOS active resistor circuit, very useful in VLSI designs, proposed as an alternative for classical very expensive large values resistors. The ...