Update files.

platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:rymcu-esp32-s3-devkitc-1]
+platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip
+board = rymcu-esp32-s3-devkitc-1
+framework = arduino
+board_build.flash_mode = dio
+monitor_speed = 115200
+lib_deps = 
+	olikraus/U8g2
+	RobTillaart/KT0803
+	https://github.com/pschatzmann/arduino-libhelix.git
+build_unflags = 
+	-std=gnu++11
+	-std=gnu++14
+	-std=gnu++17
+	-std=c++11
+	-std=c++14
+	-std=c++17
+build_flags = 
+	-std=gnu++20
+	-D CORE_DEBUG_LEVEL=0
+	-D BOARD_HAS_PSRAM