usually, arduino IDE uses CPP, ESP32C3 is RiscV device and ESP-IDF is usually used for FreeRTOS, experiement and uses Arduino ESP32C3 compiler to build a c-program like even it is named with extension ...

testing under v1002/v1003 Luatos_EPS32_C3, CH343 USB-UART chip is used. Luatos_EPS32_C3-L, GPIO18 and GPIO19 used for USG-JTAG, no CH343 used. tested with a few LCD ST7735 libray, but no luck. there ...