Entendu ici : https://www.youtube.com/watch?time_continue=7&v=DPU2Ge7EeAs

It’s a new year and the landscape of possibility is limitless for Linux. Whereas 2017 brought about some big changes to a number of Linux distributions, I believe 2018 will bring serious stability and market share growth—for both the server and the desktop.

AMG8833 GridEye and FeatherWing TFT

Linux can have a somewhat split personality. If you use it as a desktop OS, it has a lot of GUI tools, although sometimes you still need to access the command line. If you use it as a headless serv…

My WiFi access point is remote from the cable modem and router. They have a traditional AC UPS (with large batteries that can power them for several hours). I wanted to also provide back-up power for the AP but an AC UPS was too large and felt inefficient. I found an old app-note from Maxim that made clever use of a reset supervisor IC to detect power failing and fashioned my own circuit with parts on-hand. The circuit is fairly efficient and only switches on the local DC-DC converter when power has failed. Otherwise it supplies power from the AP's original AC-DC power supply.