i want to measure distance with infrared diodes Help me ?

[rikie_rizza]

use ir to determine distance

True for kender... the ir should reflect to a flat surface, other wise the signal will be lost. Do you ever notice the Leica distance meter? I wonder how it works.

 

[kender]

distance measurement ir

True for kender... the ir should reflect to a flat surface, other wise the signal will be lost. Do you ever notice the Leica distance meter? I wonder how it works.

The only class of IR range sensors that offers an accuracy at all is the triangulating range sensor such as these ones made by sharp

 

[tanuki]

distance measurement using infrared

take a look at these application notes for ACAM Time-to-Digital converters

http://www.acam.de/index.php?id=26&L=0