How many times do you have to forget your keys before you start hacking on the problem? For [Binh], the answer was 5 in the last month, and his hack was to make a gesture-based door unlocker.

The Ploopy Knob is available now through the company’s website for $49.99 CAD (around $37). Unlike many of the company’s other products, which can be purchased as cheaper DIY kits you build yourself, ...

Alternative Lab 3: PID control of an inverted pendulum with a reaction wheel. As of 6/30/2025, this repository has been refactored such that every demo is a standalone project. As such, you can ...

Plug-in electric vehicles (PEVs) interact with AC power grid the bidirectional nature, Vehicle-to-Grid (V2G) and Grid-to-Vehicle (G2V) operations effectively. In this article, a buck- boost converter ...

While the upstream wm8960 codec is not currently supported by current Pi kernel builds, upstream wm8960 has some bugs, we had fixed it. we must it build manually. Check that the sound card name ...