Simone
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Description
Isolated USB to UART Converter with Arduino pro mini connector
This project is available on KickStarter!
https://www.kickstarter.com/projects/1351830006/isolated-usb-to-uart-converter-for-arduino-pro-min
Description
It's a USB to UART converter with a digital isolator at the UART side.
It has a micro USB for connecting to the PC and a 6 pin header with the same pin-out of the Arduino Pro mini board.
The chip FT231XQ is used as interface between the USB and the UART protocol, while the Si8642 is used for isolate the board from the PC.
This converter is very useful if you are working on some projects and worrying about short circuit with the main power supply. Because the isolator isolates the two sides therefore there is no electrically connection.
Advantages
- You don't burn your PC in case of some accidents between your project and the main power supply. Check our test!
- The noise from your PC doesn't enter in your project.
- Your project and the PC have isolated ground.
- Voltage levels of the UART are the same of the power supply of your project.
- Your project is not powered from the USB of the PC, so you don't have power issue when you power off your project.
Technical data
- Original FT231XQ: Compatible with almost all the operating systems and capable of variety baud rates from 300 baud up to 3 Mbaud
- Original Si8642BB-B-IS1: Low-Power Quad-Channel Digital Isolators with isolation rating up to 2.5kV
- Size of 40 x 17 mm
- 4.1 mm isolation between the two sides guarantee an electrical isolation up to 1kV
- Working between 2.5V to 5V.
- TX and RX LEDs indicators.
- Micro USB connector.
- Standard 2.54mm 6 pins female header.
- Protected by a transparent heat shrink sleeve.
Code
Jan 12,2018
1,874 views
Isolated USB to UART Converter with Arduino pro mini connector
2 Layers PCB 97 x 98.7 mm FR-4, 1 mm, 1, HASL with lead, White Solder Mask, Black silkscreen
1874
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0
Published: Jan 12,2018
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File Last Updated: 2024/02/19 (GMT+8)
File update record
2024-02-1905:20:11
Centroid file is updated.
2024-02-1905:20:11
Parts List (BOM) is updated.
2024-02-1905:20:11
Gerber file is updated.
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