Joy-IT ARD-ONE-C Arduino UNO R3 Compatible Microcontroller Development Board with ATmega328P, 14 Digital I/O, 6 PWM, 6 Analog Inputs, USB-B, DC Jack

The Joy-IT ARD-ONE-C is a microcontroller development board fully compatible with the Arduino UNO R3, built around the ATmega328P processor. Its standout capability is the seamless integration into the Arduino ecosystem, allowing immediate use with the vast array of existing shields, libraries, and example code. This board delivers reliable performance for both prototyping and educational projects.

Advantages

The ARD-ONE-C mirrors the classic UNO R3 layout, ensuring effortless drop-in replacement for existing projects. It features 14 digital I/O pins (6 with PWM), 6 analog inputs, a 16 MHz clock, and 32 KB of flash memory. The board includes onboard USB-B connectivity for programming and power, plus a DC jack for external supply. Overcurrent protection via a resettable fuse safeguards the board and connected components.

Suitable for

• Arduino beginners learning microcontroller programming
• Educators and students in STEM classrooms
• Hobbyists prototyping interactive electronics
• Engineers developing proof-of-concept devices
• Makers integrating sensors, motors, and displays

Key specifications

• Microcontroller: ATmega328P
• Operating voltage: 5V
• Input voltage (recommended): 7-12V
• Input voltage (limit): 6-20V
• Digital I/O pins: 14 (6 provide PWM output)
• Analog input pins: 6
• DC current per I/O pin: 20 mA
• DC current for 3.3V pin: 50 mA
• Flash memory: 32 KB (0.5 KB used by bootloader)
• SRAM: 2 KB
• EEPROM: 1 KB
• Clock speed: 16 MHz
• USB connector: USB-B
• Power connector: DC jack (2.1mm center-positive)
• Onboard LED: Pin 13
• Overcurrent protection: Resettable fuse
• Included accessories: USB-A to USB-B cable

Recommendations

For a dependable UNO R3 compatible board with all essential features and a bonus USB cable, the Joy-IT ARD-ONE-C is an excellent choice. It offers the same performance as the original at a competitive price, making it ideal for both learning and production.