你是樂高迷嗎？你喜歡潛艇嗎？兩個合在一起會有什麼新滋味呢？
Brick Experiment Channel 正在搭建由樂高集團提供動力的 Submarine 4.0 - 自動深度控制！
這種無線電遙控潛艇可以保持一定的深度、或與底部有一定的距離。它配備了壓力傳感器和激光距離傳感器。 Raspberry Pi 和 PID 控制用於自動化。在游泳池和小河中進行了測試（在影片的最後）。就算不是工程背景的看了也覺得非常療癒。
Are you a Lego fan? Do you enjoy submarine? What’s gonna happen if we combine them two?
Brick Experiment Channel's building the LEGO Group-powered Submarine 4.0 - automatic depth control
This radio-controlled submarine can maintain a steady depth or a certain distance from the bottom. It is equipped with a pressure sensor and a laser distance sensor. Raspberry Pi and PID control are used for automation. Tested in a swimming pool and a small river (at the end of the video). Enjoy!
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