Uploaded August 2015 | Updated September 2026, 3 weeks ago

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Using my homemade laser communicator so transmit sound to a photoresistor/photocell. This is instead of sending to a solar cell as I'd previously done.

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Some more explanatory calculations to do with voltage ranges can be found on my webpage here:
rimstar.org/science_electronics_projects/laser_communicator_to_photoresistor_photocell.htm

See also:

How to Make a Laser Communicator (to Solar Cell)
youtube.com/watch?v=yZ7PrWUVWP8&list=PLFsZmHTZL-zn3jrI0X0e0aRijWlyvfg8h

How to Make Crystal Radio Amplifier for Speaker
youtube.com/watch?v=JtPwxbOgBHw&list=PLFsZmHTZL-zlSltC6ELZW9PK4ks7wgPRz

How to Read a Schematic
youtube.com/watch?v=_HZ-EQ8Hc8E&list=PLFsZmHTZL-znMsTduihhoYU21XL-d3p3K

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Music used throughout:
Sneaky Snitch Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
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