AVR-Chat

-----Mensagem original-----
De: rajesh parwani [mailto:rajesh_almighty@yahoo.co.in]
Enviada em: quarta-feira, 22 de dezembro de 2004 07:58
Para: AVR-Chat@yahoogroups.com
Assunto: [AVR-Chat] sensors...

hi friends,

im searching for the sensors which can detect barrier at a distance of upto 3 cm and not more . well my working condition have lot of ambient light . i would prefer to fix the setting once for any lighting so that need not change it from place to place. please suggest me some way . should i go for ultrasonic sensor or the normal opto. if possible send me some circuit

regards,

rajesh

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