Ever want to find your device on the map? Think we all do sometimes. The technology you’ll generally use for that is called ...

It also uses a DS3231 real-time clock module as a backup, keeping accurate time even when a network connection is unavailable. Time is displayed via a 60-pixel ring of WS2812B addressable LEDs.

Arduino Nano frequency counter with atomic clock accuracy Project description and test setup With this project you can measure a frequency from less than 1 Hz to about 6.4 MHz, with atomic clock ...