>getting software control of the webcam LED on ThinkPad X230 without physical access to the laptop.

adding an LED implant control by flashing a USB, internally on an "8051-based" CPU, where the value's dependence is a feature of a dynamic memory allocator.

going one step further with cron tasks scheduled at irregular intervals would be interesting.

used to be able to do the inverse with an old TV set using a RFID controller back in the early 90's.