Arduino Infrared Module Kit As Table Top Edge Sensor?

Question

in the video below i think the guy is using the arduino infrared module kit (link to ebay item below too)

i wanted to see if anyone here know if we can use this kit as edge detection. so my wall-e doesn't fall of the table.

in the video it shows that if even one sensor (either the transmitter or receiver ) go off the table the bot stops and reverses....

Can i assume the 2 sensors are always communicating the same voltage/value? and once that value changes (table is no longer there) the scrip command is to back up?

thanks in advance

ebay link to transmitter and receiver sensors

hoolagen1 · Answer

video of guy using these sensors as edge sensors

Niek · Answer

This is not what you're looking for, those are 38Khz IR receivers for TV remotes etc. I think this is more what you're looking for, they even output a analog signal based on the IR reflectance!

hoolagen1 · Answer

thanks for the heads up........how about this link this is a transmitter and led......so this is essentially both pieces melted into one? anywho this is what i found is this comperable to the one you pointed out? linky!

Niek · Answer

Yes, that one looks fine, but there you have to adjust sensitivity on the board itself, not via software, looks like it also just outputs a ADC value.

hoolagen1 · Answer

actually this one is a 3 pin connector, im trying to avoid having to solder..... check this one out. new sensor on ebay

hoolagen1 · Answer

to be able to adjust sensitivity on software, would the sensor have to be a digital vs analog? thanks again for your help... Mr. Netherlands

Niek · Answer

For software sensitivity you could also choose digital, but it would be much harder than analog because you'll have to measure time for a capacitor to discharge so i would go with the one i just sent to you, can't be that hard, 3 wires?

hoolagen1 · Answer

yeah maybe your right, im going to have to solder when i get the mp3 trigger and the wifi cam.... thanks man

hoolagen1 · Answer

also, can this one be uses as a microphone? for voice commands? found it on the same site you posted...3 wires too... what do you think? link

Niek · Answer

No, you can't hook up a microphone directly to the EZ-B, you need a wireless microphone that is connected to your PC blush

hoolagen1 · Answer

i was hoping that wasnt the case, well you saved me 50 bucks in sensors....thats man... going tithe mp3 trigger and the sensor you posted...

Niek · Answer

Glad to have helped

Bookmaker · Answer

@hoolagen1, Generally you don't want a mic in the robot because the robot is too loud. DJ recomends using the computer mic or table top mic. I use the one on my web cam. Works great!

hoolagen1 · Answer

gotcha, thanks man

hoolagen1

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