Large Wall Clock with subscript digits

Functionality

Hardware:

• Segments are lit using single WS2812 modules
• Temperature and humidity measurements using SHT31 sensor
• Adaptive brightness using BH1750 light sensor
• ESP8266 microcontroller
• 3d printed using PLA fillament without the need of support structures
• 3d models are written in OpenSCAD
• Segments interconnect using dovetail joints

Software

• Smooth visually pleasing segment updates
• Periodic real time clock synchronisation to internet time
• MicroPython with asynchronous update loop (using uasyncio)

3d printed parts overview

Segment wiring

Subscript digit