Q
Quack
- Jan 1, 1970
- 0
Hi Everyone,
Anyone know of an easy way to get power to an array (100+) of spinning
LED's (and their Mcu's) in a display circuit ?
I was thinking of inducting the current through a setup of coils, but i
cant find any good examples of this, and it will need a couple amps@5v
dc.
Another suggestion was to run some AC through ball-bearings, but i
wonder how this would hold up after being run for 24 hours a day, 7
days a week at 1800 rpm ... Any examples of this being used ? It doesnt
sound too reliable to me.
I pulled apart a couple of little spinning led clocks, and found they
had motors in them which also had a coil assembly for transmitting the
power to the circuit above (kind of a contactless slip-ring. No
Commutator).
This coil/induction setup was 'inside' the motor casing, so i dont
think it was added by the display/clock manufacturer, which comes to my
real question.
Where do these motors come from, i cant find them anywhere! does
anyone have any tips for hunting these down ? (also i need something a
little bigger than what i can find in a spinning led clock ).
Thanks for any help!
Alex.
Anyone know of an easy way to get power to an array (100+) of spinning
LED's (and their Mcu's) in a display circuit ?
I was thinking of inducting the current through a setup of coils, but i
cant find any good examples of this, and it will need a couple amps@5v
dc.
Another suggestion was to run some AC through ball-bearings, but i
wonder how this would hold up after being run for 24 hours a day, 7
days a week at 1800 rpm ... Any examples of this being used ? It doesnt
sound too reliable to me.
I pulled apart a couple of little spinning led clocks, and found they
had motors in them which also had a coil assembly for transmitting the
power to the circuit above (kind of a contactless slip-ring. No
Commutator).
This coil/induction setup was 'inside' the motor casing, so i dont
think it was added by the display/clock manufacturer, which comes to my
real question.
Where do these motors come from, i cant find them anywhere! does
anyone have any tips for hunting these down ? (also i need something a
little bigger than what i can find in a spinning led clock ).
Thanks for any help!
Alex.