Posted in clock hacks, Microcontrollers Tagged ESP32, ESP8266, microcontroller, ntp, oled, rtc, web server, wifi ← Hacking A Metallurgical Microscope FM Snake Feeds Off Radio Waves → ...

Powered by an Arduino, the clock uses an articulated arm with a UV LED to write out the current time on a piece of glow-in-the-dark material.

Adapter for Arduino Micro/Nano, RTC real time clock and NPS nixie power supply modules are included. Before buying, read project description.” Watch this video on YouTube.