Arduino library for I2C LCD displays e.g. 20x4 . Contribute to RobTillaart/I2C_LCD development by creating an account on GitHub.

Arduino Core for SAM D21 extensions to support fine grained power management, especially for the modules ADC, EIC, RTC and TC. Also supports reading Vcc, Vcore and internal temperature. - ...

Continue reading “Enigma Machine Wristwatch”→ Posted in Arduino Hacks, clock hacks, Wearable Hacks Tagged Cipher, code, enigma, enigma machine, wristwatch ...

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.