BlackBoard ATmega328 compatible with Arduino - SparkFun SPX-14669

Index: SPF-12040 EAN: 5904422340612

A module made by SparkFun is fully compatible with the Arduino Uno. It has 14 digital input/outputs, 6 PWM channels, 6 analog inputs, as well as popular communication interfaces. On the board is Qwiic and microUSB connector.

BlackBoard ATmega328 compatible with Arduino - SparkFun SPX-14669
€17.48 tax excl.
Discontinued product
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Manufacturer: SparkFun


The product has been discontinued. Check other products in category.


RedBoard is fully compatible with popular Arduino Uno module. This means that it can be programmed through the Arduino IDE using available libraries. The so-called Arduino Shields also collaborate with SparkFun module. Thanks to the SDA, SCL and IOREF connectors, board will be compatible with future shields.

On board is the Atmega328 microcontroller with the distribution of pins compatible with Arduino Uno. Changes that you may notice when using the module, are:

  • MicroUSB connector - the large USB-B connector was replaced by a small convenientmicroUSB slot
  • Qwiic connector - allows you to directly attach the sensor with Qwiic connector
  • The board color was changed from blue to black

The manufacturer does not recommend the conversion of the analog A4/A5 pinson digital because they were pulled up to a 2.2k resistor of the connector of I2C Qwiic



The module can be powered via the microUSB cable and the external device, for example, the AC adapter, the battery or the rechargeable battery. Switching power sources is automatic. The power supply is connected to a standard DC slot. Rechargeable battery or other source should be connected to the pins of the POWER connector.


  • Supply voltage: 7 V to 15 V
  • Fully compatible withArduino Uno Rev3
  • The whole is made in SMD technology
  • Microcontroller: ATmega328P
  • Maximum clock frequency: 16 MHz
  • SRAM: 2 KB
  • Flash memory: 32 KB (5kB reserved for bootloader)
  • EEPROM: 1 KB
  • I/O ports: 14
    • Working with voltages of 5 V
    • The inputs tolerate 3.3 V voltage
  • PWM outputs: 6
  • Number of analog inputs: 6 (channels of A/C converter)
  • Serial interfaces: UART, SPI
  • External interrupts
  • Connector: microUSB (microUSB cable not included)
  • Soldered ISP connector
  • Soldered Qwiic connector

Arduino Uno vs. BlackBoard

The similarities Differences
Atmega328 - both boards has the same popular main microcontroller. USB Connector - Arduino Uno uses the big USB-B connector, while SparkFan placed on the board, miniUSB connector.

The choice of board in the Arduino environment - for both systems, in the options select the Uno module.

Qwiic connector that allows direct connection of sensors to the board through Qwiicconnector.

Digital and analog pins - both plates have the same number of pins located in the identical way.

Arduino Board is manufactured with the THT, BlackBoardwas made in the SMD - soldered on surface.

Operating voltage - both modules operate with voltages of 5 V and have a built-in 3.3 V voltage regulator.

The BlackBoard is black, the Arduino is blue


Examples of accessories

Voltage output from 3.3 V
Output voltage to 5.0 V
Nominal output voltage 5.0 V
UC - Microcontroller ATmega328
UC - Core 8-bit AVR
UC - Flash 32 kB
UC - RAM 2 kB
UC - core 1. Single Core
UC - Digital pins 14
UC - analog in 6
UC - freq 16 MHz
UC - A/C 10-bit
UC - PWM 6
UC - USB microUSB
UC - I2C yes
UC - UART yes
UC - SPI interface yes

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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