It's time for hacking in Ben and Felix's Great Clock-Off! How can we keep track of the time without using a personal computer or mobile phone? Well, Ben utilises discrete electronics and encoders with an LED matrix to keep stock of the time, where as Felix puts together a microcontroller with an LCD display and Real-Time Clock crystal as an alternative and more high tech' option - have you made a clock from scratch? What would you do differently? Let the team know on the element14 Community.