Add buymeacoffee

Finally, in need of some real coffee ;=))

Author: khoih-prog

README.md

@@ -6,6 +6,9 @@
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](#Contributing)
 [![GitHub issues](https://img.shields.io/github/issues/khoih-prog/STM32_PWM.svg)](http://github.com/khoih-prog/STM32_PWM/issues)
 
+<a href="https://www.buymeacoffee.com/khoihprog6" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>
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@@ -107,8 +110,8 @@ Functions using normal software-based PWM, relying on loop() and calling millis(
 
 ## Prerequisites
 
- 1. [`Arduino IDE 1.8.16+` for Arduino](https://www.arduino.cc/en/Main/Software)
- 2. [`Arduino Core for STM32 v2.1.0+`](https://github.com/stm32duino/Arduino_Core_STM32) for STM32F/L/H/G/WB/MP1 boards. [![GitHub release](https://img.shields.io/github/release/stm32duino/Arduino_Core_STM32.svg)](https://github.com/stm32duino/Arduino_Core_STM32/releases/latest)
+ 1. [`Arduino IDE 1.8.19+` for Arduino](https://github.com/arduino/Arduino). [![GitHub release](https://img.shields.io/github/release/arduino/Arduino.svg)](https://github.com/arduino/Arduino/releases/latest)
+ 2. [`Arduino Core for STM32 v2.2.0+`](https://github.com/stm32duino/Arduino_Core_STM32) for STM32F/L/H/G/WB/MP1 boards. [![GitHub release](https://img.shields.io/github/release/stm32duino/Arduino_Core_STM32.svg)](https://github.com/stm32duino/Arduino_Core_STM32/releases/latest)
 
  3. To use with certain example
    - [`SimpleTimer library`](https://github.com/jfturcot/SimpleTimer) for [ISR_16_Timers_Array example](examples/ISR_16_Timers_Array).
@@ -929,7 +932,6 @@ SimpleTimer (ms): 2000, us : 52974007, Dus : 10001000
 PWM Channel : 0, programmed Period (us): 50000, actual : 49999, programmed DutyCycle : 20, actual : 20.00
 PWM Channel : 1, programmed Period (us): 20000, actual : 20000, programmed DutyCycle : 30, actual : 30.00
 PWM Channel : 2, programmed Period (us): 2000, actual : 2000, programmed DutyCycle : 50, actual : 50.00
-```
 
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