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Hey all,
Wow, thanks for all the input!
This is the sensor I bought > http://www.ebay.co.uk/itm/Pyroelectric-IR-Infrared-PIR-Motion-Sensor-Detector-Module-HC-SR501-Arduino-New-/131305435900?pt=UK_Computing_Other_Computing_Networking&hash=item1e9269f2fc
So I understand there should be no problem when connected on a 50 - 60 cm wire? All it needs to do is really send a signal when it senses the ball and then wait atleast 4 - 5 sec (just a timeout) before it can start sensing again.
Would connecting multiple 20cm male to female wires do the job, or should I look for one single wire?
Thanks so much!
Fox
Foxhoundn
Hi, as others have said you'll be absolutely fine for most signals. Even on things like SPI and I2C, you can control the clock speed of the signal so if you have problems you can just lower it.
For sensing when the ball goes through the goal, you could use an LED and a light sensor so you'd know when something had got in the way of the LED's light. You could even use Infrared so you couldn't see it.
Something like that would work fine over longer distances. There's not much current drawn either, so the thickness of wires wouldn't be an issue,