CloudZao / Metalio-E-INK4-Plus

Metalio E-Ink4-Plus 是一款面向阅读与 AI 助手场景的开源墨水屏实体设备。整机搭载 4.7 寸 1216×684 并行电子纸（ED047TC2 / EPDiy + TPS65185）、FT6336U 电容触控、盖板虚拟键、冷暖双色前光、I2S 麦克风与扬声器（经外置蓝牙音频芯片）、microSD、片上 Wi‑Fi、SC7A20H 三轴加速度计、PCF8563 RTC、BQ27220 电量计、震动马达，以及 USB 摄像头 / 烧录通路切换能力。设备可通过语音与云端 AI 交互，并支持本地书库阅读、云端资源推送、待机壁纸、SD/U 盘存储与低功耗管理。

CloudZao / Metalio-E-INK4

Metalio E-Ink 4 是一款面向阅读与 AI 助手场景的开源墨水屏实体设备。整机搭载 **3.97 寸 800×480** 电子纸（GDEM0397T81 / SSD1677）、CST816S 电容触控、盖板虚拟键、I2S 麦克风与扬声器（经外置蓝牙音频芯片）、microSD、片上 Wi‑Fi、SC7A20H 三轴加速度计、PCF8563 RTC、BQ27220 电量计、震动马达，以及 USB 摄像头 / 烧录通路切换能力。设备可通过语音与云端 AI 交互，并支持本地书库阅读、云端资源推送、待机壁纸、SD/U 盘存储与低功耗管理。

php-baremetal / php-esp32

The official PHP 8.3-8.5 engine running on an ESP32-P4/ESP32-S3. No emulation, no clone: reads a PHP file from microSD and runs it.

mochimochi-man / Aquarium_Espresso

A planted tropical aquarium for the ESP32-S3 and a 320x240 ST7789 - and a microSD slot, so a transparent PNG on the card swims in it too. / Arduino IDE

jlcjak / astra_piNas

Six-layer CM5 Lite dual-NVMe carrier with PCIe switch, Ethernet, microSD, USB-C PD and PoE. Review design; fabrication hold documented.

LOCOSP / WDGWMarauderV8

Wardriving firmware for Marauder V8 (ESP32-C5) with an optional 5-node Seeed XIAO ESP32-C5 cluster — WiFi 2.4/5GHz + BLE + GPS, WigleWifi-1.6 to microSD, uploads to wdgwars.pl. Binary releases only.

akospasztor / stm32-bootloader

Customizable Bootloader for STM32 microcontrollers. This example demonstrates how to perform in-application-programming of a firmware located on an external SD card with FAT32 file system.