ocr: +12V MoUeMpUwEr Uscillator part < 20ms > 100n 2200u 100k - /16 -11V 5 TDA 2030 -1 2 - 100k 1u/10 100k 100k 100k 50 Hz square wave output from Pin 4 of TDA 2030 100n - 100n 100n Just another Plece of Cr*PPY hardware from... M1L Last onne was made on nidsummer.. Aechy this onne on Independence day... Hyvaa syntynapatvas SUOMI