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16 ir transmitter and reciver should be in parallel but should not be interfer with each other

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This topic has 2 replies, 3 voices, and was last updated 8 years, 10 months ago by Ashutosh Bhatt.

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November 3, 2015 at 8:54 am #4078

Vinod kumar Warudkar
Participant

I want to place 16 ir transmitters and recivers parallel lenght between transmiter and reciver is 30 centimeter. here each transmiter and reciver should be work for its pair not to others.. please provide referances and trick please.. please

November 3, 2015 at 12:23 pm #13449

Prabakaran P M
Participant

Hi,

If my guess is correct you may be trying to build a Infrared touch screen based application. google about Infrared touch screen and allignment of IR Led's is the trick there i don't find any other

November 13, 2015 at 6:20 pm #13485

Ashutosh Bhatt
Participant

to get 30 cm range u must use high power and directive IR LED and use TSOP IR sensor at receiver side

for removing interference use TDM technique. means at a time only one IR LED and sensor are active. all other are deactive.
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