diff --git a/README.md b/README.md
index 9b0233b..f7ef824 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,7 @@ This project is developed and maintained by the [Resources team][team].
 * [Rust forks](#rust-forks)
     * [AVR](#avr)
 * [Firmware projects](#firmware-projects)
+* [Old books, blogs and training materials](#old-books-blogs-and-training-materials)
 * [License](#license)
 
 ## Community
@@ -101,18 +102,12 @@ In 2018 the Rust community created an embedded working group to help drive adopt
 -   [The Embedded Rust Book](https://rust-embedded.github.io/book/) - An introductory book about using the Rust Programming Language on "Bare Metal" embedded systems, such as Microcontrollers.
 -   [Discovery](https://rust-embedded.github.io/discovery) by @rust-embedded — this book is an introductory course on microcontroller-based embedded systems that uses Rust as the teaching language. Original author: @japaric
 -   [Cortex-M Quickstart](https://docs.rs/cortex-m-quickstart/0.3.1/cortex_m_quickstart/) by @japaric – a template and introduction to embedded Rust, suitable for developers familiar to embedded development but new to embedded Rust.
--   [Exploring Rust on Teensy](https://branan.github.io/teensy/) by @branan — Beginner set of articles on getting into embedded dev in Rust.
--   [Pragmatic Bare Metal Rust](http://www.hashmismatch.net/pragmatic-bare-metal-rust/) A starter article about starting Rust development on STM32 microcontrollers (cubeMX + FFI).
--   [Using Rust in an Embedded Project: A Simple Example](https://spin.atomicobject.com/2016/07/08/rust-embedded-project-example/#.V3-os-6qlZw.hackernews) Article and some links on setting up Rust cross-compiling.
--   [Robigalia](https://robigalia.org) general purpose robust operating system in Rust running on secure seL4 microkernel.
--   [intermezzOS](http://intermezzos.github.io) A small teaching operating system in Rust. A book with some explanations is also included.
--   Raspberry Pi Bare Metal Programming with Rust
-    -   [32-bit Version (most Pi1 and Pi2 variants)](https://medium.com/@thiagopnts/raspberry-pi-bare-metal-programming-with-rust-a6f145e84024) A starter article on OSdev with Rust on RPi (cross-compiler setup and a very basic LED-blinking kernel).
--   [Fearless concurrency](http://blog.japaric.io/fearless-concurrency/) by @japaric — How to easily develop Rust programs for pretty much any ARM Cortex-M microcontroller with memory-safe concurrency.
+- [Writing an OS in rust](https://os.phil-opp.com/) A blog series creating a small operating system in Rust
 -   [MicroRust](https://droogmic.github.io/microrust/) Introductory book for embedded development in Rust on the micro:bit.
 -   [Physical Computing With Rust](https://rahul-thakoor.github.io/physical-computing-rust/) A (WIP) guide to physical computing with Rust on the Raspberry Pi.
 -   [Internet of Streams](https://www.youtube.com/playlist?list=PLX44HkctSkTewrL9frlUz0yeKLKecebT1) A video series  by [@jamesmunns] building a bare metal IoT Sensor Node Platform from (nearly) scratch in Rust
 -   [Writing an embedded OS in Rust on the Raspberry Pi](https://github.com/rust-embedded/rust-raspi3-OS-tutorials) A set of tutorials that give a guided, step-by-step tour of how to write a monolithic Operating System kernel for an embedded system from scratch. Runs on the Raspberry Pi 3 and the Raspberry Pi 4.
+-   [Writing embedded drivers in Rust isn't that hard](https://hboeving.dev/blog/rust-2c-driver-p1/) A guide to building an embedded-hal driver. [Part 2](https://hboeving.dev/blog/rust-i2c-driver-p2/)
 
 [@jamesmunns]: https://github.com/jamesmunns
 
@@ -920,6 +915,16 @@ Work in progress crates. Help the authors make these crates awesome!
 - [anne-key](https://github.com/ah-/anne-key): Alternate keyboard firmware for the Obins ANNE Pro
 - [e.ziclean cube vacuum cleaner](https://github.com/geomatsi/e.ziclean-cube): Experiments with open firmware for e.ziclean cube vacuum cleaner
 
+## Old books, blogs and training materials
+
+
+-   [Exploring Rust on Teensy](https://branan.github.io/teensy/) by @branan — Beginner set of articles on getting into embedded dev in Rust.
+-   [Pragmatic Bare Metal Rust](http://www.hashmismatch.net/pragmatic-bare-metal-rust/) A starter article about starting Rust development on STM32 microcontrollers (cubeMX + FFI).
+-   [Using Rust in an Embedded Project: A Simple Example](https://spin.atomicobject.com/2016/07/08/rust-embedded-project-example/#.V3-os-6qlZw.hackernews) Article and some links on setting up Rust cross-compiling.
+-   [Robigalia](https://robigalia.org) general purpose robust operating system in Rust running on secure seL4 microkernel.
+-   [intermezzOS](http://intermezzos.github.io) A small teaching operating system in Rust. A book with some explanations is also included.
+-   [Fearless concurrency](http://blog.japaric.io/fearless-concurrency/) by @japaric — How to easily develop Rust programs for pretty much any ARM Cortex-M microcontroller with memory-safe concurrency.
+
 ## License
 
 This list is licensed under