Author Topic: infrared detector/emitter  (Read 1581 times)

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Offline nckspecTopic starter

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infrared detector/emitter
« on: March 30, 2008, 06:49:25 PM »
when you are reading the output through your microcontroller for object avoidence would you just use code like : if porta=0 then go straight else reverse). I mean would it matter what it outputs or would you write the code based on if it ouputs anything.

Offline superchiku

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Re: infrared detector/emitter
« Reply #1 on: March 31, 2008, 06:15:50 AM »
plzz post a little clearly

and what do u mean by portd=0???????????
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Offline nckspecTopic starter

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Re: infrared detector/emitter
« Reply #2 on: March 31, 2008, 03:06:26 PM »
sorry i meant does your controller have to know the exact voltages your detector sends to act upon avoiding an obstacle

Offline airman00

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Re: infrared detector/emitter
« Reply #3 on: March 31, 2008, 05:34:41 PM »
sorry i meant does your controller have to know the exact voltages your detector sends to act upon avoiding an obstacle

analog sensors give a value within a certain range ( you use Analog to Digital conversion)
digital sensors tell you if  a value of 0 or 1

search google for more details, and if any other questions ill answer
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