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SparkFun RedBoard Qwiic

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  • Product Code: ARD-REDB-QW
  • Warranty Period: 12 months

The SparkFun RedBoard Qwiic is an Arduino-compatible development board that uses a few of the features that we have loved about Arduinos of the past.. The best part about the RedBoard Qwiic is that (as the name implies) it utilizes Sparkfun's handy Qwiic Connect System which means no soldering or shields are required to connect it to the rest of your system!

Of course, we didn't just add a Qwiic Connector to the board, lets go over all the new additions that make the SparkFun RedBoard Qwiic unique! With the improved AP2112 voltage regulator, this Reboard gains a more robust 3.3V regulator that provides it more power to daisy chain multiple Qwiic boards and sensors, sourcing up to 600mA of current. To help support the micro USB connector (updated from a Mini USB), the CH340C Serial-USB converter IC allows the RedBoard Qwiic should reduce the need for you to manually install drivers allowing for newer operating systems to recognize and install the drivers for the board automatically. Lastly, we have made sure to add a few solder jumpers to the board. The jumpers for the A4 and A5 pins are tied directly to the I2C bus and can be used to disconnect the logic level converters from the pins while the voltage level jumpers can switch the RedBoard Qwiic from a 3.3V device to a 5V device (no logic level converter needed).

The SparkFun RedBoard Qwiic can be programmed over a USB Micro-B cable using the Arduino IDE: Plug in the board, select "Arduino UNO" from the board menu and you're ready to upload code. RedBoard Qwiic has all the hardware peripherals you know and love: 20 Digital I/O pins with 6 PWM pins, UART, SPI, and external interrupts. We've also broken out the SDA, SCL and IOREF pins that showed up on the UNO R3, so the RedBoard Qwiic will be compatible with future shields (if you choose to use them). You can power the SparkFun RedBoard Qwiic over USB or through the barrel jack. The onboard power regulator can handle anything from 7 to 15VDC. Check out the related items below for a compatible wall-wart power supply.

 

Hardware overview:

  • Serial-USB Converter Chip
    The new CH340C IC allows the SparkFun RedBoard Qwiic to utilize the USB micro-B connection and should reduce the need for users to manually install drivers. Newer operating systems should automatically recognize and install the drivers for the board.
  • AP2112 Voltage Regulator
    The AP2112 is a more robust 3.3V regulator to provide more power to daisy chain multiple Qwiic devices. Unlike the MIC5205, which could only source about 150mA of current; the AP2112 can source up to 600mA of current and should be able to handle most of your Qwiic device needs.
  • Qwiic Connector
    This connector allows the SparkFun RedBoard Qwiic to seamlessly interface with SparkFun's Qwiic Ecosystem.
  • A4/A5 Jumpers
    Pins A4 and A5 are tied directly to the I2C bus. These jumpers can be used to disconnect the logic level converters from pins A4 and A5 so that they might be used independently from the Qwiic system for analog readings.
  • Voltage Level Jumpers
    These jumpers allow users to easily switch from a 3.3V to 5V board. This allows the user to convert the board (and I/O pins) to either 3.3V or 5V based on their needs. You no longer need a logic level converter to interface directly to a 3.3V device or sensor.
  • Reset Button
    The board also includes a new, more pronounced reset button that is easier to push. Anyone with "fat fingers" can relate to this struggle.

 

Features:

  • ATmega328 microcontroller with Optiboot (UNO) Bootloader
  • CH340C Serial-USB Converter
  • AP2112 Voltage Regulator
  • A4/A5 Jumpers
  • 3.3V to 5V Voltage Level Jumper
  • Input voltage - 7-15V
  • 1 Qwiic Connector
  • 20 Digital I/O Pins (6 PWM Outputs and 6 Analog Inputs)
  • ISP Header
  • 32k Flash Memory
  • 16MHz Clock Speed
  • All SMD Construction
  • R3 Shield Compatible
  • Improved Reset Button

Dimension:

 

Packing list:

  • 1 x SparkFun RedBoard Qwiic

 

Resources:

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Tags: Arduino, Development, I2C, Qwiic, Qwiic Standard Dev Boards, R3, Redboard