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DIY Universal Robot Gripper
Make A Cheap Lithium Battery Pack
Reflective Prism
Nature Nanotechnology reports this DIY AFM (Atomic Force Microscope) / 自己動手做原子力顯微鏡 and DIY AFM controller get hacked
Sound Reactive LED Strip
How to Whiten Your Teeth with Common Household Materials
The Plasma Speaker
Awesome led cube