esp32c3 clock st7735r 128x128 Toolchain rust target riscv32imc-esp-espidf ldproxy espflash esp-idf v5.2.1 python3 Pillow Build & Run $ cargo r -r $ esptool --chip esp32c3 -p /dev/ttyACM0 write_flash 0x300000 config.json screen shot License MIT License