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2 layers60 × 42 mmUINIO Storage, the printed circuit board in 3D

A multi-function module that supports EEPROM, Flash and MicroSD Card.

Size
60 × 42 mm
Copper layers
2
Thickness
1.6 mm
Parts
55
Nets
36
Pads
153
Tracks, vias
175, 36
Pours
150
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
28 Dec 2023
Updated
9 Mar 2024

Overview

UINIO Storage is an open-source printed circuit board by uinika, from the uinika/UINIO-Storage repository on GitHub. It is a 2-layer board of 60 × 42 mm with 55 parts on 36 nets, routed with 175 tracks and 36 vias.

Its parts include 14 resistors, 6 capacitors, 5 ICs, 5 diodes and 5 connectors.

README

README.md

UINIO-Storage 低速存储器模组

UINIO-Storage 是一款同时支持 EEPROM、Flash、MicroSD 三种类型存储器的多功能模组,采用了拼板设计,每一片模组都添加有独立的 1mm 直径固定螺丝孔,可以单独拆分进行使用。

应用介绍

  1. EEPROM 存储器 AT24Cxxx:支持 SOIC 和 TSSOP 两种封装形式,使用 I²C 总线通信。
  2. Flash 存储器 W25Qxxx:支持 SOIC 和 WSON 两种封装形式,使用 SPI 总线通信。
  3. MicroSD 读卡器:同时支持 SPI 和 SDIO 两种通信方式,独立 5V 线性稳压芯片供电,支持读写大容量 TF 卡。

注意: 针对每个模组都进行了单独的分区覆铜,其中两片 AT24Cxxx EEPROM 模组分别被配置为不同的 I²C 地址。

设计概要

  1. 每一片模组都单独添加有 1mm 直径的固定螺丝孔;
  2. 每一片模组的 3.3V 外部供电端都添加了 0.1uF 滤波电容;
  3. 已经为 EEPROM 存储器的 I²C 总线添加了 10KΩ 的上拉电阻;
  4. 为了提升 MicroSD 读卡器 在读取大容量存储卡时的电流驱动能力,单独添加了一枚 3.3V 线性稳压芯片进行供电;
  5. 配合串行协议转换器 UINIO-USB-Serial 以及相应的上位机程序,可以方便的对模组上的存储器进行读写操作;

参考技术文档

UinIO.com 电子技术实验室 为 UINIO-Storage 开源项目提供了如下一系列技术参考资料:

Parts

55
QtyValueFootprintReferences
14Hole-1mmUinio:Hole-1mmHOLE**, HOLE**, HOLE**, HOLE**, HOLE**, HOLE**, HOLE**, HOLE**, HOLE**, HOLE**, HOLE**, HOLE**, HOLE**, HOLE**
510KResistor_SMD:R_0603_1608MetricR8, R9, R10, R11, R14
5LED RedLED_SMD:LED_0603_1608MetricD1, D2, D3, D4, D5
40.1uFCapacitor_SMD:C_0402_1005MetricC1, C2, C3, C4
410KResistor_SMD:R_0402_1005MetricR1, R2, R3, R4
42KResistor_SMD:R_0402_1005MetricR5, R6, R7, R13
4Hole-2mmUinio:Hole-2mmHOLE**, HOLE**, HOLE**, HOLE**
21uFCapacitor_SMD:C_0603_1608MetricC5, C6
2Conn_01x04_PinConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ1, J2
2Conn_01x06_PinConnector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_VerticalJ3, J5
12KResistor_SMD:R_0603_1608MetricR12
1Conn_01x08_PinConnector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_VerticalJ4
1I2C-24-EEPROM-SOIC8Package_SO:SOIC-8_3.9x4.9mm_P1.27mmU1
1I2C-24-EEPROM-TSSOP8Package_SO:TSSOP-8_4.4x3mm_P0.65mmU2
1LOGOLOGO
1ME6211Uinio:SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BRU4
1SPI-25-Flash-SOIC8Package_SO:SOIC-8_5.23x5.23mm_P1.27mmU3
1SPI-25-Flash-WSON8Package_SON:WSON-8-1EP_6x5mm_P1.27mm_EP3.4x4.3mmU5
1TF_Card_02AUinio:TF-SMD_TF-02Card1

Questions

How big is the UINIO Storage PCB?

It measures 60 × 42 mm and has 2 copper layers, 1.6 mm thick.

What parts does the UINIO Storage use?

55 parts. 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 Storage KiCad files?

From the uinika/UINIO-Storage repository on GitHub, at the commit this page was made from: the board is UINIO-Storage.kicad_pcb and its schematic UINIO-Storage.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the UINIO Storage 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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