M5Stack PaperMono Packs an ESP32 and LoRa in an E-Paper Gadget

M5Stack PaperMono brings ESP32 power to your pocket. Read books, use LoRa communication, and run custom firmware on an ...
GitHub

An ESP32 project driving a 64x32 HUB75 RGB LED matrix panel over I2S DMA, plus a small Python utility for converting images into C bitmap headers for display on the panel.

Note: Pin 9 (E) is an extra row-address line used on 1/32-scan panels. Leave it unconnected on standard 1/16-scan or lower panels, or wire it to a free GPIO if your panel requires it. The 'D' labels ...

OpenSpec, a lightweight framework for sharing specifications with AI coding agents, and more - 2026-09-16 Hacker News Summary

OpenSpec, a lightweight framework for sharing specifications with AI coding agentsPublished: 2026-09-16T23:06:39+00:00URL: IT/InternetTags: OpenSpec, Specification Management, AI Coding, Development ...
GitHub

micro-allocator

A tiny, deterministic, dual-ended fixed-block allocator for ESP-IDF. It manages one caller-provided arena as two independent pools of different fixed block sizes, with O(1) allocation, capacity ...
Yahoo Finance

Array Technologies, Inc. (ARRY)

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