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Engineer

UNITED STATES OF AMERICA • + Follow Edit Project

Engineer

UNITED STATES OF AMERICA
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Screen Shot 2023-03-01 at 5.08.03 PM.png

Components

	01x06 Pin Header Right Angle 2.54mm THT #22-28-8065 Molex	x 1
	01x03 Pin Socket Right Angle 2.54mm THT #801-83-003-20-001101 Preci-dip	x 1
	449 Ohms SMD Resistor 3216 Metric #CRCW1206449RFKTA Vishay / Dale	x 1

Tools, APP Software Used etc.

	KiCAD Kicad
	Autodesk Fusion 360 Autodesk

Description

FTDI to UPDI Converter

This device allows you to take in an FTDI connection with 6 pins and uses the GND, VCC, TXD, and RXD pins to convert the FTDI connection to a UPDI connection. It achieves that by connecting TXD to RXD with a 449 Ohms resistor.

Here is the link explaining how to do it created by SpenceKonde on Github:

https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md

This device is created according to SpenceKonde's descriptions and for the use of the MegaTinyCore Library that allows UPDI programming for ATtiny series microcontrollers.

Code

MegaTinyCore ATtiny Series Library

https://github.com/SpenceKonde/megaTinyCore

Schematic and Layout

Schematics

Schematic_Diagram.pdf

Circuit Diagram (Footprint)

Footprint_Diagram.pdf

CAD-Custom parts and enclosures

UPDI Converter Top Cover

UPDI_Case_Top.stl

UPDI Converter Bottom Cover

UPDI_Case_Bottom.stl

UPDI Converter Cover STEP

UPDI Casing.step

UPDI Converter STEP

UPDI.step

Download Gerbers Download BOM(Bill of materials)

Mar 02,2023

785 views

FTDI to UPDI Converter

2 Layers PCB 17.3 x 19.8 mm FR-4, 1.6 mm, 1, HASL lead free, Green Solder Mask, White silkscreen

This is a simple converter that takes in FTDI and converts it to UPDI. This can be used to program ATtiny series microcontrollers.

785

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Published: Mar 02,2023

Download Gerber file 9

BOM(Bill of materials)

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Copyright Info

Attribution-ShareAlike (CC BY-SA) License

Under the Attribution-ShareAlike (CC BY-SA) License.

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Topic

DIY Electronics

Programmable Logic Projects

Arduino DIY ATtiny USB FTDI UPDI

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