Electronics Projects.

Updated May 30, 2025.




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 Some PIC circuits : December 9, 2014
     SMD Holding Device :Jan, 2007
     Some DDS circuits :Updated January 11, 2024
     Home Made Test Equipments :Updated May 30, 2025
    SMD Test Tweezers
     Audio Equalizer
     Crystal Filters : Updated October 16, 2023
     Low Noise Audio Preamplifier : Updated May 4, 2011
     Audio Switchbox