On the clock part 1

Lesson 3: Building a JavaScript Clock Part 1. Singles and the Biological Clock – Part 1 of this blog is going to describe the system's architecture. Bistable 555 - 8-bit computer clock - part 2. Link to my first video on this grandfather clock http://www.toddfun.com/2016/01/10/howard-miller-grandfather-clock-part-1/. At this level students can read both digital and analogue clocks to find out information about the hour.