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Path: ...!news.nobody.at!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Don Y <blockedofcourse@foo.invalid> Newsgroups: sci.electronics.design Subject: Re: IR detector system, biasing of photo diode Date: Sun, 27 Oct 2024 06:05:02 -0700 Organization: A noiseless patient Spider Lines: 23 Message-ID: <vfldpv$er7j$2@dont-email.me> References: <vfk0u0$3u9en$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sun, 27 Oct 2024 14:05:04 +0100 (CET) Injection-Info: dont-email.me; posting-host="5b998538948c688c7483e57c5a315b85"; logging-data="486643"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+R4UcD/WMBOp559LTFpX6H" User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.2.2 Cancel-Lock: sha1:4Ko68RmicCEkwafToHbRFKVn5J8= Content-Language: en-US In-Reply-To: <vfk0u0$3u9en$1@dont-email.me> Bytes: 1929 On 10/26/2024 5:19 PM, Klaus Vestergaard Kragelund wrote: > Hi > > I am working on an IR detector that will guide a robot into a docking station. > > A IR transmitter on the docking station transmits a beam, and 2 IR detectors on > the robot detects the beam and lets the robot navigate towards the target. The > working distance is a couple of meters. Can the robot ALWAYS see the docking station? What happens if an obstacle (wall?) comes between the two? Can either device (robot/dock) ever slip out of the shared plane? Can the docking station be moved, from day to day, site to site, etc.? Is the arena indoors? I have become particularly fond of using cameras to interface with the real world. Of course, it requires a bit more horsepower but seems to be able to overcome all of the issues that have crept up...