Keyboard instrument change childhood dream

[8/23, 04:52] Harish Ravi: interrupt pin 1:

k1=1.3

k2=2.9

interrupt pin 2:

k1 = 1.9

k3=4

while 1:

if(pin3=1):

for(t in range(200)):

pin3=DAC(5sint(k1wt)+5sint(k2wt))

changing instruments

[8/23, 04:52] Harish Ravi: Keyboad childhood dream