v1.101 using `float` for interval

### Releases v1.10.1

1. Using `float` instead of `ulong` for interval
2. Prevent overflow of SAMD51 TCx by flagging error

v1.10.0 to avoid conflict with `Servo library`

### Releases v1.10.0

1. Avoid conflict with Servo library. Check [Cannot use TimerInterrupt_Generic Library in the same time than Servo Library #11](khoih-prog/TimerInterrupt_Generic#11)
2. Prevent overflow of TCx by flagging error
3. Modify all examples
4. Update `Packages_Patches`

v1.9.0 to add more Timers to SAMD21

### Releases v1.9.0

1. Add TC4, TC5, TCC1 and TCC2 Timers to SAMD21
2. Add example [SAMD21_MultiTimers](examples/SAMD21_MultiTimers) to demo the how to use all 6 SAMD21 timers simultaneously.
3. Add functions `attachInterruptInterval_MS()` and `setInterval_MS()`
4. Rewrite examples to take advantage of new functions and timers

v1.8.0 to fix bug

### Releases v1.8.0

1. Fix bug introduced in v1.7.0 to SAMD21 TC3. Check [Do I have a brick? I'm unable to upload sketches after using this library! #21](#21)

v1.7.0 to optimize code for `setInterval`

### Releases v1.7.0

1. Optimize code for setInterval() of SAMD21 TC3. Check [setInterval on a running timer results in a period significantly longer than the specified period #17](#17)
2. Update `Packages_Patches`

v1.6.0 to fix `multiple-definitions` linker error

### Releases v1.6.0

1. Fix `multiple-definitions` linker error. Drop `src_cpp` and `src_h` directories
2. Add example [multiFileProject](examples/multiFileProject) to demo for multiple-file project.
3. Add support to many more boards, such as `SAMD21E1xA`, `SAMD21G1xA` and`SAMD21J1xA`
4. Optimize library code by using `reference-passing` instead of `value-passing`
5. Update all examples
6. Update `Packages_Patches`

v1.5.0 to improve frequency precision

### Releases v1.5.0

1. Improve frequency precision by using float instead of ulong, Check PR [change variable period from unsigned long to float #7](#7)
2. Remove compiler warnings
3. Update `Packages' Patches`
4. Add `strict` option for PIO `lib_compat_mode`
5. Split `changelog.log` from `README.md`

v1.4.0 to fix SAMD21 Prescaler bug

### Releases v1.4.0

1. Fix SAMD21 rare bug caused by not fully init Prescaler. Check [**Bug when going from a >20000us period to a <20000us period. The timer period become 4 times greater.** #3](#3)

v1.3.1 to fix compiler error

### Releases v1.3.1

1. Fix compile error to some SAMD21-based boards, such as ADAFRUIT_FEATHER_M0, ARDUINO_SAMD_FEATHER_M0, ADAFRUIT_METRO_M0_EXPRESS, ARDUINO_SAMD_HALLOWING_M0 and ADAFRUIT_BLM_BADGE. Check [Doesn't compile with Adafruit Feather M0 #2](#2).

v1.3.0

### Releases v1.3.0

1. Add support to **Sparkfun SAMD21 boards** such as **SparkFun_RedBoard_Turbo, SparkFun_Qwiic_Micro, etc.**
2. Add support to **Sparkfun SAMD51 boards** such as **SparkFun_SAMD51_Thing_Plus, SparkFun_SAMD51_MicroMod, etc.**
3. Update examples to support Sparkfun boards.