M5StickC ESP32 Oscilloscope

A fully functional oscilloscope based on ESp32 M5StickC ported from https://github.com/botofancalin/M5Stack-ESP32-Oscilloscope

Changes from original

• Channel 1 Input: Pin 26
• Channel 2 input: Pin 36
• PWM signal Output: Pin 33
• SignaDelta Output: Pin 32
• Key B: Menu selection
• Key A: Next Selected item (loop)