ESP32-CAM是采集眼动数据的，接着通过串口或者网络把这个数据传到电脑里面，这个时候有一个Python后端在运行，把视频流解码，然后使用一个上位机来控制这个后端。

Take the ESP32-CAM, a board that started appearing on the market in early 2019. On paper, the thing is amazing: an ESP32 with support for a camera and an SD card, all for less than $10.

An ESP32-Cam module could do just that: with a 1600 x 1200 camera sensor, a 160 MHz CPU and an integrated WiFi adapter, [fhuable] just needed to write an Arduino sketch to have it take a picture ...