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Help us with programming a spinning LED display

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lwilliams

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We're making a spinning LED display which consists of 8 LEDs connected to a spinning arm on a DC motor, the LEDs are connected to a PIC16F88 microcontoller with an optical sensor triggering every revolution. The idea is the LEDs will flash on and off while the arm spins to provide an image, we need some help with the programming to set the sequences for the LEDs to light, can anyone help?
 

Re: Spinning LED Display

you want to
1. make any animation on your circular screen?
2. any time controlled colour changer etc?
do a thing , control speed of motor
then make a circle on graph paper
now draw ledz on your paper then calculate rpm with 360 degree and then get right sequenced coding
thats the right way to make this type of things such as clock or any alphabets or numbers who cares,
if have any doubt ,reply(i also have used this graph paper technique with motor speed control,,,but there is also second way as of yours to get motor speed by sensor then calculate the time for sequence,but i like to make something clear,,
it demands more code space and also slows the program loop)
 

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