Our hacker [John Duffy] wrote in to let us know about a video he put together to explain the design of his open-source multimeter, the HydraMeter. If you’re interested in how the circuitry ...

The concept of an All Digital Phase Locked Loop (ADPLL) with an up-down counter is conceived and presented here. The phase error of a Phase Detector (PD) in a Digital PLL is delivered in bits.

This paper describes the design, simulation in open loop and closed loop system and hardware implementation of buck converter which converters 12V DC to 6V DC at 31 kHz for 5 Watt load. Digital ...

NEWS 23 June 2025 First images from world’s largest digital camera leave astronomers in awe The Rubin Observatory in Chile will map the entire southern sky every three to four nights.