DIY Hitechnic IR Beacon

Introduction: DIY Hitechnic IR Beacon

This is my own version of the IR Beacon from Hitechnic.  It outputs a square wave of 1200 hz.  It uses an Attiny25v microcontroller, programmed in C with AVR Studio.  It "bursts" the LEDs, much like in a TV remote, to increase range.  

The LEDs do appear faint in these pictures; this is because the battery goes really quickly due to the extreme current drain (about 30 - 45 minutes of continuous use).  This beacon proved to reach out about 7 feet during testing.

The schematic was made in Eagle.  It says "TINY22P", it is actually a TINY25v.  Also, the LEDs should be facing the other way, I messed up the polarity.

Be the First to Share

    Recommendations

    • Clocks Speed Challenge

      Clocks Speed Challenge
    • Toys & Games Contest

      Toys & Games Contest
    • Big vs Small Challenge

      Big vs Small Challenge

    Comments