Add Adafruit-7segment Driver

README.md

@@ -564,6 +564,7 @@ have achieved the "released" status (published on crates.io + documentation / sh
 1. [SHTCx] - I2C - Temperature / humidity sensors - [github][42] - ![crates.io](https://img.shields.io/crates/v/shtcx.svg)
 1. [ST7789] - SPI - An embedded-graphics compatible driver for the popular lcd family from Sitronix used in the PineTime watch [github][44] ![crates.io](https://img.shields.io/crates/v/st7789.svg)
 1. [DW1000] - SPI - Radio transceiver (IEEE 802.15.4 and position tracking) - [Article][45] - ![crates.io](https://img.shields.io/crates/v/dw1000.svg)
+1. [Adafruit-7segment] - I2C - Driver for Adafruit 7-segment LED Numeric Backpack based on the ht16k33 chip - [github][47] - ![crates.io](https://img.shields.io/crates/v/adafruit-7segment.svg)
 
 [1&2]: http://blog.japaric.io/wd-1-2-l3gd20-lsm303dlhc-madgwick/
 [3]: http://pramode.in/2018/02/24/an-introduction-to-writing-embedded-hal-based-drivers-in-rust/
@@ -609,6 +610,7 @@ have achieved the "released" status (published on crates.io + documentation / sh
 [44]: https://github.com/almindor/st7789
 [45]: https://braun-embedded.com/dw1000/
 [46]: https://lonesometraveler.github.io/2020/03/20/max6955.html
+[47]: https://github.com/kallemooo/adafruit-7segment
 
 [AD983x]: https://crates.io/crates/ad983x
 [adafruit-alphanum4]: https://crates.io/crates/adafruit-alphanum4
@@ -660,6 +662,7 @@ have achieved the "released" status (published on crates.io + documentation / sh
 [SHTCx]: http://crates.io/crates/shtcx
 [ST7789]: http://crates.io/crates/st7789
 [DW1000]: https://crates.io/crates/dw1000
+[Adafruit-7segment]: https://crates.io/crates/adafruit-7segment
 
 *NOTE* You may be able to find even more driver crates by searching for the [`embedded-hal-driver`]
 keyword on crates.io!