I meet Lori Stotko and Stuart Nafey http://lightdoodles.com/ at this years Makers Faire Auditions.
They had these cool Light pens they had made to doodle with.
I decided to make some when I got home, and remembered the old Sun three buttoned mouse I had saved in my parts bin .
Step 1: Sun Mouse
Here is the mouse, I had removed the cable years back for so other project.
Step 2: Sun Mouse Opened.
Here is the mouse opened and the three buttons I will use.
Step 3: Removing All Hardware.
I decided to remove all unneeded hardware to make room for the battery holders.I also added a ground wire for the batteries.
Step 4: Battery Holders.
I am using two 2032 battery holders for power.
Step 5: LED Holder.
From my parts bin of old computer and electronic parts I found a 6 wire pin cable to connect the 3 LEDs to the switches .
Step 6: Soldering the 6 Wire Connector.
The six wire connector was soldered to the three switches and a common ground.
Step 7: Completed RGB Board.
Here is the board after soldering ready to test.
Step 8: Reassembiling Sun Mouse.
Now to see if it fits back in the casing.
Step 9: It Works!
Using the red LED that was in the mouse and adding the green and a blue I fired it up.
Step 10: Dont Forget the Camera Remote....
During the same build I made a remote for my Canon so I would not shake the camera while exposing the shot.
Step 11: Drawing in the Dark....
Make the room dark, (I waited for night) push the remote shutter, draw!
I found the Blue and Red were really over powered the green, perhaps I will put a pair of resistors
on those.also I could buy a RGB led with all the emitters in one , but this was made with parts "mined" for old Tech waste.