Framed Washington Metro map uses Raspberry Pi Pico W and WMATA departure API to light 144 LEDs live. Laser-cut matboard masks 144 LEDs; data refreshes so you can see every train's position from home.

Abstract: Sound is a physical phenomenon in the form of vibration that contains information. This information is perceived by humans using auditory senses to contextualize their surrounding ...

Raspberry Pi MicroSD Card (32GB or larger) MicroUSB Cable (data-capable) Computer with Windows, macOS, or Linux and internet access Now you are all set! The app is straightforward. You can either send ...

Abstract: This paper introduces a novel single-loop control scheme for voltage regulation in islanded inverters, using a proportional-integral-lead (PI-Lead) controller designed within the synchronous ...

The TrooperAI project was a test to see if I could build a low-latency, local (non-networked) voice assistant in Python for the Raspberry Pi. The system combines real-time speech recognition, ...

The Raspberry Pi is a small-factor PC that can easily fit in your palm, but despite its miniature size, these computers can still pack a punch, with the latest Raspberry Pi 5 featuring 16GB of RAM and ...

Waveshare PCIe TO 2.5G ETH Board (C) low-cost PCIe x1 adapter adds a 2.5GbE port to the Raspberry Pi 5 using the board’s 16-pin PCIe interface. It’s plug-and-play ...