Archive for March 2021

Windows 10 built-in video editor

Windows 10 has a hidden video editor as part of part of the Photos app. How to Use Windows 10’s Hidden Video Editor article gives instructions how to use this simple but useful for many simple tasks video editor. While this isn’t the most powerful video editor you can get on Windows, it’s surprisingly capable.

Power supply electronics

A power supply unit (PSU) is an electronic circuit that converts device input voltage fed to the device being powered to the voltage or voltages needed internally by the electronics device. In typical computers a power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer. Depending

Mains power EMI noise filtering

Because of the presence of mains current in mains-powered audio equipment as well as ubiquitous AC electromagnetic fields from nearby appliances and wiring, 50/60 Hz electrical noise can get into audio systems, and is heard as mains hum from their speakers. In addition to mains frequency humming, the mains power can also contain higher frequency