Bring sound and visual expression to your Raspberry Pi and unleash unlimited creativity! Whisplay HAT is a versatile expansion board integrating high-fidelity audio, 1.96-inch color LCD screen, RGB indicator lights, and programmable buttons.
This page details how to control shopping cart wheels using audio signals from a phone, exploiting the 7.8 kHz signal used for locking/unlocking. It provides audio files to lock, unlock, arm, and perform purchase checks on Gatekeeper Systems and Rocateq wheels.
Nathan Ladwig has got the ESP32 decoding SPDIF quite effectively, using an onboard peripheral outside its traditional remit. The project allows an ESP32 to work as a USB audio device or take an S/PDIF signal as input, and then transmitting that audio stream over RTP.
This repository contains the source code for the summarize-and-chat project. This project provides a unified document summarization and chat framework with LLMs, aiming to address the challenges of building a scalable solution for document summarization while facilitating natural language interactions through chat interfaces.
How to run Gemma 3 effectively with our GGUFs on llama.cpp, Ollama, Open WebUI and how to fine-tune with Unsloth! This page details running Gemma 3 on various platforms, including phones, and fine-tuning it using Unsloth, addressing potential issues with float16 precision and providing optimal configuration settings.
This article details how to rip CDs using the abcde command-line tool in Linux, providing instructions, options, and a sample configuration file for efficient and high-quality audio ripping.
This article details a dsPIC-driven radio build by Minh Danh that receives FM and AM (all bands, SW, MW, LW), plays MP3s from USB, and records incoming signals. It highlights the use of Si4735 for radio functionality, TDA1308 and NS8002 for audio, and a resistor ladder for front panel button input. The project is praised for its thorough documentation.
This article provides a detailed table of musical pitch frequencies in Hertz, based on an even tempered scale with A = 440 Hz. It covers the full range of musical instruments, with a utility for calculating and playing notes in different tunings. The document also explains octave numbering and mentions various specific notes and instrument string frequencies.
MarkItDown is a utility for converting various files to Markdown, including PDF, PowerPoint, Word, Excel, Images, Audio, HTML, text-based formats, and ZIP files.
LLM 0.17 release enables multi-modal input, allowing users to send images, audio, and video files to Large Language Models like GPT-4o, Llama, and Gemini, with a Python API and cost-effective pricing.