This is a distro I wrote to provide a backend for a bedstand LED clock. The goal is to make a clock that never has to be set. I gutted the clock on my nightstand and replaced its guts with a ESP8266 ...
En esta entrada https://micro57.wordpress.com/2020/04/11/la-hora-en-arduino-con-servidor-ntp te mostré como conectarse a un servidor NTP por medio del protocolo UDP ...
Making a microcontroller perform as a frequency counter is a relatively straightforward task involving the measurement of the time period during which a number of pulses are counted. The maximum ...
Part1では,インターネットで使われる時刻合わせ用のプロトコル「NTP」について説明する。パソコンOSやUNIX系OSに標準搭載されている技術だ。 NTPは,UDPの123番ポートを使ってやりとりする,アプリケーション・プロトコル。その考え方は難しくないが,奥の ...