Introduction - If you have any usage issues, please Google them yourself
This program is the use of Quartus II design prepared by the use of CNC divider hardware keyboard, the main system consists of three modules, the top-level design documents within the three functional modules: SPEAKER.VHD and TONE.VHD and NoteTabs.vhd. TONE is the scale generator module, the module SPEAKER in the main circuit is a numerical divider, NOTETABS module used to generate beat signals to control and scale selection.