Free Space Optics (FSO) utilising an LED as an alternative to Lasers for data transmission



The PIC16F887 Microcontroller on the left sends a binary signal through the RS232 Peripheral Transmitter (TX Pin) to the LED which transmits light directly onto the Diode/light Transistor to then be converted back into electrical signals for the Receiver Microcontroller to convert back into binary format to be displayed onto the LEDs. This is the most basic principle of how FSO works. Note: It is possible to change the LED for a Laser Diode to achieve longer distances.

If you would like the code that has been compiled for the PIC16F887 Microcontrollers, please don’t hesitate to contact me.

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Post time: Sep-11-2017
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