Analog projection clock
This clock is very simple and contain no lenses.
Take quartz clock:
To start it move backwards we need to flip iron core of coil (not polarity, iron core is asymmetric):
Next step - making of reflective face. I am use a piece of mirror, but you can use disk from HDD, but it may require extra length of clock hands.
Easy way to paint marks with permanent marker. I prefer to scratch reflecting surface to make my marks more permanent
As light source i am used SMD white LED, it worked better than LED in 5mm diameter package.
All adjustments come to change position of LED
We finished! Here is our projection:
see also (sorry, in russian, but photos quite informative)
warm greeting from yekaterinburg, russia.
|За основу взят:||Собственная разработка|
|Лицензия распространения:||СС 3.0 BY-NC-SA|