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In this video I bring yo you my latest project: a digital sand clock. Persistence of vision, small precision parts machined in the workshop, a homemade PCB and millisecond timing.

Links and social networks
Website: http://gomezgimenez.com
Project Details: http://gomezgimenez.com/electronica/2...
PCBWay Project: https://www.pcbway.com/project/sharep...

Index
00:00 Introduction
01:19 Persistence of vision
05:50 Sand numbers
13:11 Clock assembly
17:57 Final result