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Usba connector
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2 layers68.6 × 25.4 mm
UINIO MCU ESP32C3
uinika/UINIO-MCU-ESP32C38the Evaluation Board base on ESP32-C3 with RISC-V.
- Size
- 68.6 × 25.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 50
- Nets
- 48
- Pads
- 219
- Tracks, vias
- 299, 252
- Pours
- 235
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 8 Nov 2022
- Updated
- 25 Nov 2024
Overview
UINIO MCU ESP32C3 is an open-source printed circuit board by uinika, from the uinika/UINIO-MCU-ESP32C3 repository on GitHub. It is a 2-layer board of 68.6 × 25.4 mm with 50 parts on 48 nets, routed with 299 tracks and 252 vias.
It is built around the ESP32-C3, CH343P and ME6211C33M5G-N, with the LESD5D5.0CT1G and S8050 among its other parts. Its parts include 19 capacitors, 8 resistors, 4 ICs, 4 diodes and 2 connectors. It belongs with the ESP32 and RISC-V boards of this library.
Main components
5
ESP32-C3
QFN-32-EP(5x5)12bit 160MHz 22 3V~3.6V Others QFN-32-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHSEspressif SystemsMicrocontrollers (MCU/MPU/SOC)
CH343P
TQFN-16-EP(3x3)-40℃~+85℃ 3.3V、5V 3mA 6Mbps 90uA USB 2.0 USB to UART TQFN-16-EP(3x3) USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
ME6211C33M5G-N
SOT-23-5-40℃~+150℃ 1 120mV@(100mA) 3.3V 500mA 50uVrms 60uA 6V 70dB@(1kHz) Fixed Over Current Protection、Enable、Short Circuit Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMICRONEVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
LESD5D5.0CT1G
SOD-523-55℃~+150℃ 100W 12pF 16V 1uA 5V 7A 7V Bidirectional ESD IEC 61000-4-2 SOD-523 ESD and Surge Protection (TVS/ESD) ROHSGOODWORKUncategorised
S8050
SOT-23-55℃~+150℃ 1 NPN 100MHz 100nA 120 25V 300mW 500mA 5V 600mV NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
README
README.mdUINIO-MCU-ESP32C3 核心板
UINIO-MCU-ESP32C3 是一款采用 上海乐鑫科技 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。
设计概要
- 完整兼容官方的 Arduino-ESP32 板级支持包；
- 采用 LDO 低压差线性稳压芯片
ME6211C33M5G提供3.3V电源； - 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；
- 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； - 预留有 4 个
2mm沉头螺丝开孔，可以用于固定核心板；
注意事项
- 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； 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；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；- 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； 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；
参考技术文档
UinIO.com 电子技术实验室 为 UINIO-MCU-ESP32C3 开源项目提供有如下一系列技术参考资料：
Parts
50| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C7, C9, C11, C13, C14, C18 |
| 5 | 10K | Resistor_SMD:R_0402_1005Metric | R2, R4, R5, R6, R7 |
| 5 | 1uF | Capacitor_SMD:C_0402_1005Metric | C1, C5, C10, C16, C19 |
| 4 | Hole-2mm | Uinio:Hole-2mm | HOLE**, HOLE**, HOLE**, HOLE** |
| 2 | 15pF | Capacitor_SMD:C_0402_1005Metric | C15, C17 |
| 2 | 1uF | Capacitor_SMD:C_0603_1608Metric | C2, C3 |
| 2 | 5.1K | Resistor_SMD:R_0603_1608Metric | R3, R8 |
| 2 | Conn_01x22_Pin | Connector_PinHeader_2.54mm:PinHeader_1x22_P2.54mm_Vertical | J1, J2 |
| 2 | LESD5D5.0CT1G | Diode_SMD:D_SOD-523 | D2, D3 |
| 2 | NC | Capacitor_SMD:C_0402_1005Metric | C6, C8 |
| 2 | S8050 | Uinio:SOT-23-3_L2.9-W1.6-P1.90-LS2.9-BL | VT1, VT2 |
| 1 | 10nF | Capacitor_SMD:C_0402_1005Metric | C12 |
| 1 | 10uF | Capacitor_SMD:C_0402_1005Metric | C4 |
| 1 | 1N4007 | Diode_SMD:Nexperia_CFP3_SOD-123W | D4 |
| 1 | 2K | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 40MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | 60V 2A | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | Antenna_Chip | RF_Antenna:Texas_SWRA117D_2.4GHz_Right | AE1 |
| 1 | CH343P | Uinio:TQFN-16_L3.0-W3.0-P0.50-BL-EP1.7 | U4 |
| 1 | ESP32-C3 | Uinio:QFN-32_L5.0-W5.0-P0.50-TL-EP3.7 | U3 |
| 1 | L | Inductor_SMD:L_0402_1005Metric | L1 |
| 1 | LED_Red | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | ME6211C33M5G-N | Uinio:SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR | U1 |
| 1 | USB_Type_C_16Pin | Uinio:USB-C-SMD_TYPEC-304J-BCP16 | USB1 |
| 1 | W25Q128JVSSIQ | Uinio:SOIC-8_L5.3-W5.3-P1.27-LS8.0-BL | U2 |
| 1 | 下载按键 | Uinio:KEY-SMD_4P-L4.2-W3.4-P2.15-LS4.7 | SW2 |
| 1 | 复位按键 | Uinio:KEY-SMD_4P-L4.2-W3.4-P2.15-LS4.7 | SW1 |
Questions
How big is the UINIO MCU ESP32C3 PCB?
It measures 68.6 × 25.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the UINIO MCU ESP32C3 use?
50 parts, built around the ESP32-C3, CH343P, ME6211C33M5G-N and LESD5D5.0CT1G. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the UINIO MCU ESP32C3 KiCad files?
From the uinika/UINIO-MCU-ESP32C3 repository on GitHub, at the commit this page was made from: the board is UINIO-MCU-ESP32C3.kicad_pcb and its schematic UINIO-MCU-ESP32C3.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the UINIO MCU ESP32C3 design in my own project?
Its repository states no licence, so its author keeps all rights: ask uinika before reusing the design.
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