{"id":18656510,"url":"https://github.com/uinika/uinio-mcu-esp32c3","last_synced_at":"2025-10-03T15:42:08.754Z","repository":{"id":115220421,"uuid":"563163473","full_name":"uinika/UINIO-MCU-ESP32C3","owner":"uinika","description":"the Evaluation Board base on ESP32-C3 with RISC-V.","archived":false,"fork":false,"pushed_at":"2024-11-25T07:24:38.000Z","size":48214,"stargazers_count":7,"open_issues_count":0,"forks_count":2,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-05-13T14:40:34.253Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"HTML","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/uinika.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2022-11-08T03:09:57.000Z","updated_at":"2024-11-25T07:24:42.000Z","dependencies_parsed_at":"2024-03-30T15:22:58.693Z","dependency_job_id":"2076e823-57a5-4b7f-960e-d6a8489a8edc","html_url":"https://github.com/uinika/UINIO-MCU-ESP32C3","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/uinika/UINIO-MCU-ESP32C3","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uinika%2FUINIO-MCU-ESP32C3","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uinika%2FUINIO-MCU-ESP32C3/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uinika%2FUINIO-MCU-ESP32C3/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uinika%2FUINIO-MCU-ESP32C3/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/uinika","download_url":"https://codeload.github.com/uinika/UINIO-MCU-ESP32C3/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/uinika%2FUINIO-MCU-ESP32C3/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":274879426,"owners_count":25367095,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-09-12T02:00:09.324Z","response_time":60,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-07T07:23:48.965Z","updated_at":"2025-10-03T15:42:08.676Z","avatar_url":"https://github.com/uinika.png","language":"HTML","funding_links":[],"categories":[],"sub_categories":[],"readme":"# UINIO-MCU-ESP32C3 核心板\r\n\r\n[**UINIO-MCU-ESP32C3**](https://gitee.com/uinika/UINIO-MCU-ESP32C3) 是一款采用 [上海乐鑫科技](https://www.espressif.com.cn) **ESP32-C3** 微控制器的核心板电路设计，该微控制器基于开源的 **RISC-V** 指令集，主频高达 `160MHz`，并且同时具备有 **2.4GHz Wi-Fi** 与 **Bluetooth5** 两种无线接入能力。片上载有 `384KB` 容量的 **ROM**，以及 `400KB` 容量的 **SRAM** 和 `8KB` 容量的 **RTCSRAM**。\r\n\r\n![](./Images/PCB-3D-1.png)\r\n\r\n![](./Images/PCB-3D-2.png)\r\n\r\n## 设计概要\r\n\r\n- 完整兼容官方的 [Arduino-ESP32](https://docs.espressif.com/projects/arduino-esp32/en/latest/) 板级支持包；\r\n- 采用 LDO 低压差线性稳压芯片 `ME6211C33M5G` 提供 `3.3V` 电源；\r\n- 预留 **TQFN** 封装的 USB 转 UART 串口芯片 **CH343P** 位置，可以按需进行贴装，不贴装时可以采用右上角的 4 线杜邦针外接串口下载模块；\r\n- 预留有 2.4G 微带天线 **π 型阻抗匹配电路**位置，如果对于信号的收发功率没有严格要求，则可以将位号为 `L1` 的串联电感替换为 `0R` 电阻；\r\n- 预留有 4 个 `2mm` 沉头螺丝开孔，可以用于固定核心板；\r\n\r\n## 注意事项\r\n\r\n1. 上电之前不能下拉 `IO9/BOOT` 的电平状态，否则 **ESP32-C3** 将会进入**下载模式**；\r\n2. `IO8` 引脚默认进行了上拉，因为如果其为低电平状态，则不能使用串口进行固件下载；\r\n3. `GPIO11` 默认为 SPI 接口 Flash 存储器的 `VDD` 引脚，需要配置之后才能作为 GPIO 使用；\r\n4. 外置的 `W25Q128JVSSIQ` 型 Flash 存储器，其 `VDD` 已经连接至 `3.3V` 电源，使用时无需再行配置，Flash 采用普通的两线制 SPI 总线进行通信；\r\n5. `IO12`、`IO13` 在 **QIO** 模式下被复用为 SPI 信号线 `SPIHD` 和 `SPIWP`，本开发板采用两线制 SPI 的 **DIO** 模式，使用时需要注意将 Flash 配置为 **DIO** 模式；\r\n\r\n## 参考技术文档\r\n\r\n[UinIO.com 电子技术实验室](http://uinio.com/) 为 UINIO-MCU-ESP32C3 开源项目提供有如下一系列技术参考资料：\r\n\r\n1. [《UINIO-MCU-ESP32 核心板电路设计》](http://www.uinio.com/Project/UINIO-MCU-ESP32/)\r\n2. [《基于 UINIO-MCU-ESP32 的 Arduino 进阶教程》](http://www.uinio.com/Project/Arduino-ESP32/)\r\n3. [《运用 U8G2 与 TFT_eSPI 玩转 UINIO-Monitor 显示屏》](http://www.uinio.com/Project/UINIO-Monitor/)\r\n4. [《BOM 交互式物料清单与 PCB 布线在线预览》](http://uinio.com/archives/BOM/UINIO-MCU-ESP32C3.html)\r\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fuinika%2Fuinio-mcu-esp32c3","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fuinika%2Fuinio-mcu-esp32c3","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fuinika%2Fuinio-mcu-esp32c3/lists"}