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Product description: SparkFun BlackBoard C - ATmega328P - compatible with Arduino Uno - SparkFun SPX-16282
BlackBoard C is a module manufactured by SparkFun, which is fully compatible with Arduino Uno . It was equipped with an ATmega328P microcontroller with Optiboot (UNO) bootloader, 32 KB of Flash memory, 14 digital inputs / outputs , 6 PWM channels, 6 analog inputs and popular communication interfaces. The board also has Qwiic connectors and a USB type C connector with the CH340C chip. The supply voltage of the board is in the range from 7 V to 15 V.
The product is fully compatible with the Arduino Uno - more information about SparkFun BlackBoard C can be found on the manufacturer 's website.
SparkFun BlackBoard C - ATmega328P - compatible with Arduino Uno - SparkFun SPX-16282. 
The SparkFun BlackBoard C board has a USB type C connector and a DC connector.
Technical Specifications
- Supply voltage: 7 V to 15 V
- Fully compatible with Arduino Uno Rev3
- Everything is made in SMD technology
- Microcontroller: ATmega328P
- Maximum clock frequency: 16 MHz
- Flash memory: 32 KB (5 KB is reserved for bootloader)
- I / O Ports: 14
- Working with voltages of 5 V.
- The inputs tolerate a voltage of 3.3 V
- PWM outputs: 6
- Number of analog inputs: 6 (channels of A / C converter)
- Serial communication interfaces: UART, SPI
- External interrupts
- USB interface: USB Type-C connector (USB Type-C cable not included)
- USB chip: CH340C
- Additional connection couplings: Qwiic
- Built-in voltage regulator: 3.3 V / 600 mA
BlackBoard C module power supply
The module can be powered via a USB type C cable or an external power source, e.g. AC adapter, battery or accumulator. Switching the power source is automatic. The power supply connects to a standard DC socket. The battery or other source is connected to the pins of the POWER connector.
Arduino Uno or BlackBoard C - similarities and differences
- Similarities
- Atmega328 microcontroller used
- Number of pins and their arrangement
- Operating voltage - both modules work with 5V voltages and have a built-in 3.3V voltage regulator
- Differences
- USB connector - Arduino Uno uses a large USB B connector, while BlackBoard C has a USB Type-C connector
- BlackBoard C has an additional Qwiic connector
- Component soldering technology - Arduino: THT, BlackBoard C: SMD
SparkFun BlackBoard C is a board fully compatible with Arduino Uno.
