Any ideas on best way to do this?
A very easy way to do it is by using the mp3 trigger from sparkfun. You only have to solder the buttons to the board and add a microsd with the sounds. I used it for a project with buttons and soundeffects and it works great. You can us upto 18 external buttons.
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You can use a PICAXE microcontroller there will be 4 buttons and each button when pressed sounds a melody.The Code--------- main:if pinc.4 = 1 then main2 if pinc.3 = 1 then main3 if pinc.2 = 1 then main4 if pinc.1 = 1 then main5 goto mainmain2:play 0,0 pause 2000 goto mainmain3:play 0,1 pause 2000 goto main main4:play 0,2 pause 2000 goto mainmain5:play 0,3 pause 1000 goto main
Use a 555 timer as an oscilator and use different resistors in series with different switches (buttons). It will be like an electronic piano.
Do you want to choose the sound or will any sound do? Are these natural sounds or bleeps.What is your skill level witth electronics.Where in the world are you so we know what you can access easilyTime scale