ESP32是体积小巧却功能强大的微控制器，能够完成各种惊人的任务。其中最有力的应用之一是TinyML——一种轻量级机器学习框架，可用于构建异常检测、音频识别或图像分类等功能。图像分类举例来说非常容易，我只用了五分钟就完成了二元分类的搭建。二元分类是一 ...

There’s just some joy in an instant camera. They were never quality cameras, even in the glory days of Polaroid, but somehow the format has survived while the likes of Kodachrome have faded away.