This simple mod allows the slide to be mounted to most cell phones, turning them into digital spectrometers.
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Step 1: Salvage Springs From an Old Floppy Disk
You need four floppy disk ( 3"1/2).
Step 2: Modify Springs
With a pince, modify springs to get arms parallel. Do it for each spring
Step 3: Use an Old Photo Slide
Step 4: Soldering Springs
with a candle ( or something else ) turn springs very hot ( red ), and quickly solder it on the slide.
put glue on each spring ( and in all corners )
Step 5: Side2
close the slide with the other part. Press it for 3 seconds.
Step 6: Rubber Band
take an old mouse pad and cut four parts ( 1cm x 4.5cm )
Step 7: Glue Rubber
put one rubber part under spring. put glue. put the second part on it and press hardly for 5 seconds.
do it again.
Step 8: Finish !!!
now you finish it ...
Step 9: Diffraction Grating Slide
put a diffraction grating slide in front of it ( glue or other ).
Step 10: Be Mounted to Most Cell Phones
you can use it on most cell phones
Step 11: Make Spectro Picture
Now you can make this kind of picture