A DIY wall-mounted sound visualizer plots ambient audio as a smooth waveform on an RGB LED matrix, combining a Pico-class ...

Scientists have developed a low-cost visible light communication (VLC) system using commercially available hardware ...

Researchers have developed a low-cost visible light communication (VLC) system using commercially available hardware that ...

Turn your Raspberry Pi into a New Year's countdown centerpiece with custom LEDs, digital fireworks, and a midnight smart home ...

This app isn't really intended to be re-used -- it isn't very configurable. It was just built for my own use, and the code is shared so that anyone else who tries to do the same thing has some ...

Display live NHL game scores, future start times, standings, etc. on an LED matrix driven by a Raspberry Pi. Makes use of the unofficial, NHL API for all game ...

Raspberry Pi 4 and the latest Raspberry Pi 400 share the same Broadcom BCM2711 processor with four Cortex-A72 cores. However, the Pi 4 is clocked at 1.5GHz and the Pi 400 can go up to 1.8GHz. So it’s ...

I recently drove the new 2026 Audi Q3 and was amazed by how well-put-together it was, especially for an entry-level crossover from a German luxury automaker. One of the features that stood out was the ...

The Raspberry Pi 500+ is an upgrade to the Raspberry Pi 500 keyboard PC, getting a mechanical keyboard with RGB LED lighting, a 256GB NVMe SSD, and 16GB LPDDR4x memory. Apart from that, the rest of ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Originally defined as the ratio between the circumference of a circle and its diameter, pi — ...

When [Rodrigo Feliciano] realized that the reason his seven-segment LED wall clock wasn’t working was because the original TG1508D5V5 controller was fried, he had a decision to make. He could either ...

KIYOSU, Japan--(BUSINESS WIRE)--Toyoda Gosei Co., Ltd. (TOKYO:7282) has invested* in Pi Photonics, Inc., which develops and sells LED lighting equipment for industrial use that can project light ...