Update README.md

Author: khoih-prog

README.md

@@ -109,8 +109,8 @@ But if you need to write codes to be used in both [**Arduino-mbed RP2040** core]
 ## Prerequisites
 
 1. [`Arduino IDE 1.8.15+` for Arduino](https://www.arduino.cc/en/Main/Software)
-2. [`Arduino mbed_rp2040 core 2.1.0+`](https://github.com/arduino/ArduinoCore-mbed) for Arduino RP2040-based boards, such as **Arduino Nano RP2040 Connect, RASPBERRY_PI_PICO, etc.**. [![GitHub release](https://img.shields.io/github/release/arduino/ArduinoCore-mbed.svg)](https://github.com/arduino/ArduinoCore-mbed/releases/latest)
-3. [`Earle Philhower's arduino-pico core v1.8.6+`](https://github.com/earlephilhower/arduino-pico) for RP2040-based boards such as **RASPBERRY_PI_PICO, ADAFRUIT_FEATHER_RP2040 and GENERIC_RP2040**, etc. [![GitHub release](https://img.shields.io/github/release/earlephilhower/arduino-pico.svg)](https://github.com/earlephilhower/arduino-pico/releases/latest)
+2. [`Arduino mbed_rp2040 core 2.4.1+`](https://github.com/arduino/ArduinoCore-mbed) for Arduino RP2040-based boards, such as **Arduino Nano RP2040 Connect, RASPBERRY_PI_PICO, etc.**. [![GitHub release](https://img.shields.io/github/release/arduino/ArduinoCore-mbed.svg)](https://github.com/arduino/ArduinoCore-mbed/releases/latest)
+3. [`Earle Philhower's arduino-pico core v1.9.4+`](https://github.com/earlephilhower/arduino-pico) for RP2040-based boards such as **RASPBERRY_PI_PICO, ADAFRUIT_FEATHER_RP2040 and GENERIC_RP2040**, etc. [![GitHub release](https://img.shields.io/github/release/earlephilhower/arduino-pico.svg)](https://github.com/earlephilhower/arduino-pico/releases/latest)
 
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