https://huggingface.co/datasets/Beifengdo/Microcontrollers/resolve/main/shiyan4/4.1/Objects/4.hex
hf download hf://datasets/Beifengdo/Microcontrollers/shiyan4/4.1/Objects/4.hex
curl -L -o 4.hex https://huggingface.co/datasets/Beifengdo/Microcontrollers/resolve/main/shiyan4/4.1/Objects/4.hex
