I am looking forward to two embedded system courses in EdX.
Electronic Interfaces: Bridging the Physical and Digital Worlds: https://www.edx.org/course/electronic-interfaces-bridging-ph...
Embedded Systems - Shape The World: https://www.edx.org/course/embedded-systems-shape-world-utau...
EdX has got some nice electronics courses: https://www.edx.org/course
Between, I am from compsci background