http://www.uelectronics.info/taxonomy/term/162/0 en http://www.uelectronics.info/infra-red-proximity-sensors <p>Based on a simple basic Idea, this proximity sensor, is easy to build, easy to calibrate and still, it provides a detection range of 35 cm.</p> <p><a href="http://www.uelectronics.info/infra-red-proximity-sensors" target="_blank">read more</a></p> 8051 8052 Infra LED proximity sensor Sat, 12 Apr 2008 21:36:02 +0000 admin 69 at http://www.uelectronics.info