IR TACHOMETER request | Electronics › Electronics › IR TACHOMETER request This topic has 2 replies, 3 voices, and was last updated 10 years, 8 months ago by Anonymous. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts April 16, 2012 at 12:05 pm #1496 yaheeParticipant Hi ! have you any IR Tachometer (Speed Counter RPM) using ATMEGA16? July 17, 2012 at 11:53 am #8268 sathyamoorthyParticipant Hi Yahee Why cant you go proximity sensor.What my suggestion is You can fix the sensor on shaft of the dc motor.Then Keep on LDR or photodiode in oppsite .It will count the rotations and you can easliy calibrate the same …………… July 21, 2012 at 4:49 am #8297 AnonymousGuest I will try it , Thank you! Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In