Read this: http://www.national.com/an/AN/AN-31.pdf (useful ways to connect an OP-amp)
They have 3 suggested circuits for photodiodes and I suggest you look at them and figure out if you can use them. There is a reason why these circuits are made :-)
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Re: Simple Photodiode On/Off circuit
Read this: http://www.national.com/an/AN/AN-31.pdf (useful ways to connect an OP-amp)
They have 3 suggested circuits for photodiodes and I suggest you look at them and figure out if you can use them. There is a reason why these circuits are made :-)
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Re: Simple Photodiode On/Off circuit
If I just accepted that when the laser hits the diode that the target has been hit, there is nothing stopping people just using a standard laser pointer and triggering the targets. If they use the proper 'gun', it will pulse say 5-10 times in quick succession, or some other pattern that I can recognize, I don't think people will be able to flash their laser pointer that fast. I also will probably use a slightly different pattern each time.
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Re: Simple Photodiode On/Off circuit
If you use different patterns for each gun, you can easily keep score for each player
-Bert
The glass is not half full or half empty, Its twice as big as needed for the job!
http://foamcasualty.com/ - Warbird R/C scratch building with foam!
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