I once built an elevator for a vacuum robot in my old dorm which had two floors....

		Huhuhn on Aug 7, 2023 \| parent \| context \| favorite \| on: Ask HN: What's the coolest physical thing you've m... I once built an elevator for a vacuum robot in my old dorm which had two floors. The elevator was moving twice per day to each floor. Was as cheap as buying a second vacuum robot. Video of the device in action: https://youtu.be/F_gTlU9w7dQ Image documentation of the build: https://imgur.io/gallery/y1dB4zr

ha! that's too good.