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Placing two Arduinos to talk to each other over IR

Two Arduinos talking to each other serially over infra-red. (no use of TSOP)

eduardo-zolaEduardo Zola
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  • eduardo-zolaEduardo Zola

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arduino ir infrared photodiode eduardo zola infra red serial zolalab Zola lab serial communication til32 til78 link 2018hackadayprize

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This project is submitted for

  • The 2018 Hackaday Prize
  • Open Hardware Design Challenge

This project was created on 01/03/2015 and last updated 10 years ago.

Description

Arduino Serial Communication Over Infrared


In this scheme, I would like to demonstrate how to perform the Serial communication over infrared photodiodes. So, I set up a simple scheme where it only uses photodiodes plus some resistors, and in this case, I chose not to use TSOP (to make it simple) once this works with a frequency of 38khz, and for that, would be necessary to build a carrier on the transmitter side. Soon I will show you how to make a similar circuit using TSOP, which makes it a more reliable communication.

Parts:
2x Arduino Uno
Photodiode TIL 32
Photodiode TIL 78
Resistor 220 Omh
Resistor 330 Omh
Resistor 1k Omh

Details and Scheme at: http://www.zolalab.com.br/references/serial2ir.php

Video: https://www.youtube.com/watch?v=TRbMfGUXVZo

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gfxbucket wrote 05/24/2015 at 13:39 • point

Amazing project. You used same pc to transmit datas. Can I use two pc ( one on transmitter side and other on reciever ) with this same layout and code?

  Are you sure? yes | no

Bruce Land wrote 01/04/2015 at 12:58 • point

You might want to look at https://hackaday.io/project/274-infrared-communication-for-microcontroller

  Are you sure? yes | no

Eduardo Zola wrote 01/04/2015 at 13:07 • point

hello Bruce Land, thank you for the tip ! By the way, thank you very much for the skull ! :-)

  Are you sure? yes | no

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