Node.JS library for using HT16K33 backpacks with I2C.

Makes backpacks by Adafruit tick.

Benefits of this implementation versus others:
* Uses promises.
* Uses the newer i2c-bus package.
* Few dependencies.
* Type-completion using TypeScript.

Credit
Heavily based on:
- https://github.com/MagnusNordin/ht16k33-sevensegment-display