MCP2221A - USB to GPIO ADC I2C - Stemma QT / Qwiic - Adafruit 4471

Index: ADA-21053
The module is based on the MCP2221A system, equipped with GPIO ports, ADC analog inputs and I2C interface, to which access is possible via the USB type C connector. On the converter board you can also find one Qwiic / Stemma QT connector, which allows for quick and easy connection of I2C modules with the same connector. The built-in regulator allows you to operate modules operating with 3 V logic. Logic voltage can be changed to 5 V by cutting the 3 V jumper and soldering with 5 V on the bottom of the board.
MCP2221A - USB to GPIO ADC I2C - Stemma QT / Qwiic - Adafruit 4471
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Manufacturer: Adafruit

Product description: MCP2221A - USB to GPIO, ADC, I2C converter - Stemma QT / Qwiic - Adafruit 4471

The module is based on the MCP2221A system, equipped with GPIO ports, ADC analog inputs and I2C interface, to which access is possible via the USB type C connector. On the converter board you can also find one Qwiic / Stemma QT connector, which allows for quick and easy connection of I2C modules with the same connector. The built-in regulator allows you to operate modules operating with 3 V logic. Logic voltage can be changed to 5 V by cutting the 3 V jumper and soldering with 5 V on the bottom of the board.

Leads of the MCP2221 board

* 3.3 V or 5 V selectable with a jumper.

** same DAC output on both pins.

What can the MCP2221 converter do?

The board with the MCP2221 chip can be connected to the computer via the USB type C connector and operate the LEDs , motor drivers and other modules and sensors via GPIO, 10-bit analog input (ADC), 5-bit DAC output and I2C and UART interface. The pins of the board work with a voltage of 3 V or 5 V, selected with a jumper on the bottom of the board. The module can be programmed in Python.

The manufacturer has prepared a user guide with sample programs, which makes it much easier to start working with the module.

Board specification

  • Chip: MCP221
  • Communication with the computer: USB type C connector
  • Supported interfaces:
    • GPIO
    • I2C
    • UART
    • 10-bit analog input (ADC)
    • 5-bit output (DAC)
  • Logic: 3 V / 5 V - selected with a jumper on the bottom of the board
  • Conclusions:
    • 2.54 mm goldpin connectors - the goldpin strip is included in the kit for self-soldering
    • Stemma QT / Qwiic connector
  • Dimensions: 27 x 17.7 x 5 mm
  • Weight: 2.2 g

Kit contents

  • 1x MCP2221A - USB to GPIO, ADC, I2C converter - Stemma QT / Qwiic - Adafruit 4471
  • 1x goldpin strip, 1x 12-pin, 2.54 mm pitch
Zawartość zestawu Kit contents.

Converter - chip MCP2221
Converter - Interface I2C / UART / SPI / GPIO
Package width 5.5 cm
Package height 1.5 cm
Package depth 4.5 cm
Package weight 0.005 kg

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Product reviews

MCP2221A - USB to GPIO ADC I2C - Stemma QT / Qwiic - Adafruit 4471

5/5

Average grade

6

Customers opinion
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Zdjęcia użytkowników

Daniel 01.02.2024 Confirmed purchase Translated review
He met my expectations.
Mateusz 21.03.2023 Confirmed purchase Translated review
It does its job and thanks to its dimensions it is very useful.
Maciej 27.11.2022 Confirmed purchase Translated review
A great and very small converter
Marek 04.10.2022 Confirmed purchase Translated review
Works great. I recommend.
Adam 02.10.2023 Confirmed purchase
Kai 26.12.2022 Confirmed purchase

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