add hannobraun's crates

Author: japaric

content/2019-02-20-newsletter-15.md

@@ -162,6 +162,12 @@ If you have an embedded project or blog post you would like to have featured in
 [@thejpster]: https://github.com/thejpster
 [`embedded-sdmmc`]: https://crates.io/crates/embedded-sdmmc
 
+- [@hannobraun] has published two crates: [`ieee802154`], a partial implementation of the IEEE 802.15.4 standard, and [`dw1000`], an embedded-hal driver for the Decawave DW1000 wireless transceiver chip.
+
+[@hannobraun]: https://github.com/hannobraun
+[`ieee802154`]: https://crates.io/crates/ieee802154
+[`dw1000`]: https://crates.io/crates/dw1000
+
 ## `embedded-hal` Ecosystem Crates
 
 As part of the [Weekly Driver Initiative], crates that are part of the `embedded-hal` ecosystem are now tracked in the [Awesome Embedded Rust] repository. Here is a current snapshot of what is available there: