miniDenko - A portable messaging device

miniDenko (Denko = 電光 is from "an electric scoreboard" in Japanese) is a portable messaging device.
Or LED Matrix + esp8266 + MPU6050 + Modern Web framework(Vue.js + Buefy) = A hackable LED messaging platform

Features

Edit & save your message and show it up instantly.(Sub-second booting)
- Also supports Japanese characters thanks to Arduino-misakiUTF16 lib written by [Tamakichi] san.
Easily connectable with Phones, Laptops, etc. via WiFi.
- Supports STA, AP, AP_STA modes to collaborate with the devices.
Made from easily-obtainable parts. (See #BOM)
Its portable and slim shape fits in your (large) pocket.
And as a latest gadget should be, equipped with the Type-C charging port.