Before drawing a picture with music box and tapping the LM386 NE555 music do I shared this very nice application and similar projects in the writings of the author of the first version of the circuit is very nice work, especially a great boxing made him the music box CD4017 and based on cmos integrated circuits CD4093 audio signal is given out if the speaker on a variety of rhythm is set up with LM386 gradients with music being made.
Cmos Oscillator With Music Box circuit v1
Cmos Oscillator With Music Box circuit v2
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FILE DOWNLOAD LINK LIST (in TXT format): LINKS-19571.zip
Published: 2012/08/27 Tags: audio control circuits
Tetris game circuit with PIC18F4520
A tetris game circuit to play Tetris costly software and hardware part of the business, but may be useful for the persons concerned could limp PIC18F4520 microcontroller circuit board on the transform matrix to create a chart on display, xy coordinates, pixel calculations, etc.. described in detail ..