Ir Pulse To Audio Converter Circuit

  
If your ear is good, you can use this IR-pulse-to-audio converter to troubleshoot infrared remote-controls. It is also a good project for detecting infrared-light sources. A photo cell module (Radio Shack P/N 276-137) detects IR radiation and drives audio IC Ul.
Ir Pulse To Audio Converter Circuit - schematic

This circuit is useful for troubleshooting IR remote controls.




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