- Add another canvas tag. It should have the id dial2 and the nx type of dial. Check that it changes the sound when you move the dial.
- Add a line to the dial1Changed function so that moving the dial changes the value of the lfo's frequency. Put it in an appropriate range for the LFO.
- Challenge: add another dial to control the 'depth' of the lfo. The depth is how much it adds or subtracts from the frequency of osc.
Hit below for smartphone start