Categories

Posts Tagged ‘IRED’

Parallax Propeller discriminates Walsh-modulated IREDs

Sunday, April 7th, 2013

Parallax Propeller guru Phil Pilgrim has posted this IR sensor/discriminator project on the Parallax Propeller forums. "Almost everyone here is aware of the advantages of modulated IREDs for rejection of background IR fluctuations and line-frequency noise from artificial lighting. Typically, the IRED modulation occurs at 38 kHz, to which the...

Tags: ,
Posted in infrared, LEDs, Parallax Propeller, sensors | 2 Comments »

Recent Comments

  • KH: I think no plague. Both failed capacitors are on the same side. Look at the backplane, it's likely the failed caps were on the left...
  • Glendon: Free is always GOOD!
  • Wilyb: Gotta catch them all!
  • Tepa: Me me
  • TheOtherNick: Greetings!