The IR receiver's field of view on the Circuit Playground Express is very narrow.
Is it possible to add a different IR receiving sensor and get a much wider, ideally 360, FOV?
I was trying to build a little robot that would work off the mini remote. My only problem now, is that I have to pointing directly down at the Circuit Playground Express for it to work.
IR Field Of View
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- adafruit_support_bill
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Re: IR Field Of View
The datasheet for the IR receiver does not specify a field of view. https://www.vishay.com/docs/82748/vsop383.pdf
But planar sensors like that typically have a Lambertian sensitivity pattern. That means the sensitivity is proportional to the cosine of the angle from the main axis. So the sensitivity at 45 degrees off-axis should be about 70% of what it is straight-on. From there is will rapidly fall-off to zero as you approach 90 degrees.
We have the larger through-hole version of the sensor: https://www.adafruit.com/product/157
The plastic case has a molded lens which makes it slightly more directional. So that would not help. https://cdn-shop.adafruit.com/datasheets/tsop382.pdf
The other approach would be to se a more powerful remote. You could use something like the TV B Gone kit: https://www.adafruit.com/product/73
But planar sensors like that typically have a Lambertian sensitivity pattern. That means the sensitivity is proportional to the cosine of the angle from the main axis. So the sensitivity at 45 degrees off-axis should be about 70% of what it is straight-on. From there is will rapidly fall-off to zero as you approach 90 degrees.
We have the larger through-hole version of the sensor: https://www.adafruit.com/product/157
The plastic case has a molded lens which makes it slightly more directional. So that would not help. https://cdn-shop.adafruit.com/datasheets/tsop382.pdf
The other approach would be to se a more powerful remote. You could use something like the TV B Gone kit: https://www.adafruit.com/product/73
Please be positive and constructive with your questions and comments.