Voice changer toy

Lo-fi sampler based on the ISD1820 IC and module.

Voice recorder with pitch/speed modulation.
Press one button to start recording the module’s onboard microphone. The other button plays back the sample.
Turn the potentiometer to increase or decrease pitch and speed. You can sound like a chipmunk or a monster in a cave!
Recordings can be about 10″ long. Powered by a rechargeable lithium-ion 550mAh battery.