* [Introduction to Embedded Systems, Second Edition](https://ptolemy.berkeley.edu/books/leeseshia/releases/LeeSeshia_DigitalV2_2.pdf) - Edward Ashford Lee, Sanjit Arunkumar Seshia (PDF)
* [Introduction to Embedded Systems, Second Edition](https://ptolemy.berkeley.edu/books/leeseshia/releases/LeeSeshia_DigitalV2_2.pdf) - Edward Ashford Lee, Sanjit Arunkumar Seshia (PDF)
* [Introduction to Microcontrollers](http://www.embeddedrelated.com/showarticle/453.php) (HTML)
* [Introduction to Microcontrollers](http://www.embeddedrelated.com/showarticle/453.php) (HTML)
* [Mastering the FreeRTOS Real Time Kernel - a Hands On Tutorial Guide](https://freertos.org/Documentation/RTOS_book.html) - freertos.org ([PDF](https://freertos.org/fr-content-src/uploads/2018/07/161204_Mastering_the_FreeRTOS_Real_Time_Kernel-A_Hands-On_Tutorial_Guide.pdf))