Some useful links/resources we've found. This is a contributable list, why not submit a pull request?
Edinburgh Centre for Robotics - A joint initiative between the University of Edinburgh and Heriot Watt. Offers PhD training programme.
Arduino - The site for Arduino, a series of boards that are very accessible to people unfamiliar with embedded programming.
Raspberry Pi - Raspberry Pi is a cheap linux computer with GPIO pins that you can use to interact with other electronics. Another good way for someone new to get into embedded.
Embedded.com - A site with a lot of articles about various topics within embedded development.
Getting started with C/C++ on the Micro:bit - A good resource with information on writing low level code on the Micro:bit.
BeagleBone - A Raspberry Pi like board.
hobbyprojects.com - A site with lots of electronics resources and projects.