Hello steemit community !
Today I will show you how to make a laser communicator.
For a start let's see shematic for transmitter and reciever:
Transmitter:
Reciever:
For this project you will need these elements:
Here is how board should look like:
To make board using photo process you will need these mirrored images:
After a photo process you need to remove excess copper from the board with acid :
After removing the copper you should get something like this:
At this point we are ready for soldering elements. Here is how board should look like after soldering:
After this point I made one change in this project. I put audio jack in exchange for microphone and then I mounted both transmitter and receiver on plexiglass with some hot glue.
At the end let's test it out:
Thanks for your attention!
All photos are taken by me.
