Showing group : Schematics   

   Title  Read #   Posted 
 RS-232 Interface for text LCD displays 6120  14.03.2003 
 RS-232 Keypad interface with 16 buttons 4138  14.03.2003 
 Simple 5V 1A Switch mode power supply 4431  10.03.2003 
 12W Audio amplifier based on TDA-2008 3251  15.02.2003 
 Generate negative voltage from one 555 3794  15.02.2003 

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