¡Reloj de palabras para las masas! Véanlo en acción:

https://goo.gl/photos/CBKPQ7EGTzbZN4n29

Partes necesarias:
Tira de LED RGB direccionable:https://www.banggood.com/1M-WS2812B-5050-RGB-Non-Waterproof-60-LED-Strip-Light-Dream-Color-Changing-Individual-Addressable-DC-5V-p-998623.html?p=2@3021069489201207MV
Tornillos:https://www.banggood.com/Wltoys-A949-A959-A969-A979-M2_5x8mm-Round-Head-Screw-10Pcs-p-978870.html?p=2@3021069489201207MVo
https://hobbyking.com/en_us/metal-flat-head-self-tapping-sharp-tail-phillip-screw-m2-5x8-10pcs-set.html
Arduino:https://www.banggood.com/Pro-Micro-5V-16M-Mini-Leonardo-Microcontroller-Development-Board-For-Arduino-p-1077675.html?p=2@3021069489201207MV
RTC:https://www.banggood.com/Tiny-RTC-I2C-AT24C32-DS1307-Real-Time-Clock-Module-Board-For-Arduino-p-90137.html?p=2@3021069489201207MV

Fuente:
https://cad.onshape.com/documents/06ad5622fe1de3eb4804e0ce/w/8b32674486159bd704b265ab/e/80e6c49cb706b359aea53496