More stable

• Using microphone to capture beating more accurate. (only used accelerometer previously)
• Fine adjustment of various parameters.
• Added version restrictions for FreeRTOS.
  • Because be confirmed that using FreeRTOS versions newer than 10.4.4-2 causes crashes due to memory usage issues.
• Change the dependency library for NeoPixel.
  • for saving Flash & RAM usage.
  • See: https://blog.ja-ke.tech/2019/06/02/neopixel-performance.html

First release

Enjoy chanting!