v1.2.0 to fix `poor-timer-accuracy` bug

Releases v1.2.0

1. Fix poor-timer-accuracy bug. Check Poor accuracy on timer interrupt frequency or interval. #4

v.1.1.2 using `float` instead of `ulong` for better interval accuracy

Releases v1.1.2

1. Using float instead of ulong for better interval accuracy

v1.1.1 to remove redundant function call

Releases v1.1.1

1. Remove redundant function call

v1.1.0 to fix multiple-definitions linker error, to add support to new RP2040-based boards, to fix bug, etc.

Releases v1.1.0

1. Fix multiple-definitions linker error. Drop src_cpp and src_h directories
2. Add example multiFileProject to demo for multiple-file project.
3. Optimize library code by using reference-passing instead of value-passing
4. Update all examples

v1.0.1 to update platform in `library.json`

Releases v1.0.1

1. Fix platform in library.json

Release v1.0.0 to to support RP2040-based boards such as Nano_RP2040_Connect, RASPBERRY_PI_PICO, etc. using [Arduino-mbed RP2040 core](https://github.com/arduino/ArduinoCore-mbed)

Initial Releases v1.0.0

1. Initial coding to support RP2040-based boards such as Nano_RP2040_Connect, RASPBERRY_PI_PICO, etc. using Arduino-mbed RP2040 core