 | | Re: IR concept —Chuck McManis
| | | | (...) [Digitize the output from an IR LED with and without a signal present to achieve some common mode noise rejection.] This type of system is susceptible to being 'blinded' by high intensity IR sources (try it outside :-) I used a similar (...) (27 years ago, 29-Mar-97, to lugnet.robotics.handyboard)
| | | | | | | | | | Re: IR concept —Adam
| | | | | Chuck, If you have the scematics for the IR sensor that uses the 555 and opamp, Iw oudl be interested in looking them over. I understand your theory, but the scematics would save me some time in ironing out the nitty gritty stuff. Thanks. (...) (27 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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