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yeah it got really messy on that board and once i added some more stuff i had to move on to my final revision of the circuit on my latest breadboard (one section bigger) so i could see what i was doing again and add more stuff like all of my led indication. i like making the larger breadboards...

i wasnt planning on getting into feedback and trying to get it to move to any specific position. LSRFAQ i can isolate and see how i would wire the "damping" part of the circuit but what exactly would that do and what do you mean when you say ringing? would this effect the duty cycle of my sqaure...

thanks thats what i figured but i dont have any time right now to mess with the arms that would have to be after my competition but i am going to prototype a sort of galvo later on and ill keep that in mind. right now i think with just a few more modifications i can get about 210hz possibly more...

as of today i now have 3 operating modes 1. standard (variable frequency) 1 control circuit for each axis 2. audio L/R between each axis 3. hybrid mode or audio/standard. the standard axis by default will be one of the two standard control circuits which will be determined by the layout of the...

driving the arms with audio for the first time. the audio input is to the right and my zune is the audio source. showing off the set screw front view of the mirrors right here i did have a pretty lengthy paragraph going into detail about how the audio was along some pro's and con's for...

just sandblasted and mounted my mirror slides and arms a few hours ago i should have a few more pics up later after i get out of work. i tested them with a 30mw green and i got some good results i just have to shorten the travel of the arms a bit more to obtain higher speeds.

:crackup:

thanks. i do have a working circuit but im still waiting to get my mirrors mounted and once i do ill put a video up. until then i could put up a picture of my circuit if anyone would like to see that.

wow this is old. i was wondering about that also but isnt there alot of trouble if you dont have clean signal to your diode? im pretty sure a transistor wont muck it up but ive never tried.

:anyone:

this might help i had the same problem i think. http://laserpointerforums.com/f45/greenie-weirdness-49555.html

this is a pic of the the hdd's with the mirror rails. the rails aren't permanently secured yet because i have to make the mirror slides. im waiting for those so i can check to see if i get good x and y alignment. however the body of the hdd's are quit sturdy which i have mounted together...

i know its been a while but i have a new circuit in the works and should have a video up once i get my hard drives mounted and work out some audio problems. my new circuit has increased speeds and multi-speed and alternating speed settings along with a smooth transition between audio and...

xbox fail :p

im building way smaller version for someone and one for a competition next year. that one got a first in regional and in state competition.

thanks and yeah i built it ------> YouTube - Green laser spirograph

im hoping to make some kno3 (potassium nitrate) and sugar crystals sort of my own idea i guess. just think rock candy but not for eating lol. and ill use some to make some great smoke bombs.

yeah i built it thanks

:thinking:

ok no problem