In SX Microcontrollers, SX/B Compiler and SX-Key Tool, markuster wrote: Hi , I am using no resistor because I need to increase the detection range. The same circuit works better using a Basic Stamp ( 3 feet) but using SX28 is about 2 inches only. Do you know why ? thanks, Mark PS: Please help. DEVICE SX28, OSC4MHZ, TURBO, STACKX, OPTIONX FREQ 4_000_000 PROGRAM Start INI: DO FREQOUT RB.1, 20, 38500 'RB.1 OUT LED IR IF RB.2= 0 THEN 'RB.2 OUT from sensor IR HIGH RB.0 'RB.0 LED INDICATOR PAUSE 500 LOW RB.0 PAUSE 500 ENDIF LOOP ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=283893#m283946 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2008 (http://www.dotNetBB.com)