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UsbI2cSpiAdapter

hnz1102·UsbI2cSpiAdapter

UsbI2cSpiAdapter PCB layout, top view — open source board by hnz1102
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About the UsbI2cSpiAdapter PCB

UsbI2cSpiAdapter is an open source PCB design by hnz1102, published on GitHub. It is a 2-layer board measuring 55 × 30 mm, with 40 components from 18 distinct parts.

Other key parts include the 93LC56BT-I/OT and FT232HL. By type, the board carries 18 capacitors, 12 resistors, 3 inductors, 2 ICs, 2 connectors and 1 crystal.

It belongs with the usb & debug tools and sensors designs in this gallery.

From the project

A USB-I2C/SPI adapter based on the FTDI FT232H chip. The adapter enables USB connectivity for I2C and SPI communication with various embedded devices and sensors.

This directory contains the hardware design files for a USB-I2C/SPI adapter based on the FTDI FT232H chip. The adapter enables USB connectivity for I2C and SPI communication with various embedded devices and sensors.

- USB Interface: USB 2.0 Full Speed (12 Mbps) - Main Controller: FTDI FT232H (MPSSE capable) - Protocols Supported: I2C, SPI, GPIO - USB-C Connector: Modern USB Type-C connection - Operating Voltage: 3.3V I/O (5V USB powered) - Compact Design: Optimized PCB layout for ease of use

UsbI2cSpiAdapter, from the project README
From the project README

Main components on the UsbI2cSpiAdapter

93LC56BT-I/OTFT232HL

UsbI2cSpiAdapter bill of materials (BOM)

40 components, 18 distinct parts.

QtyPartRefs
1
93LC56BT-I/OT
U101
1
FT232HL
U102
1
12MHz
Y101
1
USB_C_Receptacle_USB2.0_5077CR
J101
1
PinHeader Conn_01x08
J102
1
SW_DIP_x04
SW1
1
LED RED
D101
3
BK2125HS601-T
FB101, FB102, FB103
10
0.1uF
C101, C102, C103, C106, C107, C108, C110, C111 +2
2
27pF
C104, C105
4
4.7uF
C113, C114, C115, C119
2
0.01uF
C116, C120
1
12K 1%
R101
4
10K
R102, R103, R105, R107
1
2K
R106
2
5.1K
R108, R109
1
1K
R113
3
4K7
R114, R115, R116

UsbI2cSpiAdapter design files

The KiCad project lives in the hnz1102/UsbI2cSpiAdapter repository on GitHub; these links point at the commit this page was built from.

UsbI2cSpiAdapter: common questions

How big is the UsbI2cSpiAdapter PCB?

The UsbI2cSpiAdapter measures 55 × 30 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the UsbI2cSpiAdapter?

40 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the UsbI2cSpiAdapter design files?

From the hnz1102/UsbI2cSpiAdapter repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the UsbI2cSpiAdapter design in my own project?

The repository has no license, so all rights stay with hnz1102. Use it as a reference, and ask the author before reusing the design.

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