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1  Using Arduino / Project Guidance / Re: Advice on measuring signal strength on: April 04, 2014, 10:13:02 am
 those last ones are more approx as what i am searching.
In the end what i am searching is a sensor that would track or be stimulated form a some kind of point and let me know different distance in order to be capable of orienting the destination point to center the source.

Thank you.
2  Using Arduino / Project Guidance / Re: Advice on measuring signal strength on: April 03, 2014, 12:17:07 pm
Thank or the answers.

So there is no way to use them as a kind of proximity sensors.
I wil have to go on a proximity ir sensors. wich are different i guess.
I will go to check this point. Advices are welcome about wich are the cheaper and best proximity sensors to use for a orientation project with two step motors tracking a point. wich i would like to be a ir remote controller.

3  Using Arduino / Project Guidance / Advice on measuring signal strength on: April 02, 2014, 04:49:44 pm
Hi all!

I've been searching around but without success.
My goal is to measure the signal strength of a tyical 38 khz ir receiver.
I thought that the analogRead function should give me the output voltage and this could give me an idea of how intense the signal is being received.
I have done a simple sketch for reading this input but i think things work different that i expected.

The thing is that sensor is always  showing a 5v value 1023 and dropping to 1  to 5 value but i am not sure that is consequence of my ir ir signal coming to the sensor, as if i don't push any button the behaviour is similar.

attached you can find some results from the serial output with a 220 ohm resistor into the output sensor but maybe is completely useless.

Thanks in advance.
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