Compatible Arduino UNO R3 CH340 USB-C

Name: Compatible Arduino UNO R3 CH340 USB-C
Brand: Αντωνιάδης | antoniadis.com.cy
SKU: ARD007
Price: 10.95 EUR
Availability: InStock

Arduino Compatible Boards

Reference: ARD007

€10.95

In Stock

Immediate Dispatch

The Compatible UNO R3 CH340 USB-C delivers the same functionality as the Arduino UNO R3 — ATmega328P @ 16MHz, 14 digital I/O, 6 analog inputs — with a modern USB-C connector. Includes a USB-C cable and 40-pin header — ready to get started right away.

🔌 USB-C connector — same cable as your laptop & smartphone
⚙️ ATmega328P @ 16MHz, 14 digital I/O (6 PWM), 6 analog inputs, 5V
📦 Includes USB-C cable + 40-pin header
⚠️ Not a genuine Arduino board. Genuine UNO Rev3 here.

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Description
Product Details

Compatible UNO R3 CH340 USB-C — UNO R3 Functionality with a Modern Connector

⚠️ Important Note: This board is compatible with the Arduino UNO R3 but is not a genuine Arduino board. If you want the official, genuine board, choose the Arduino UNO Rev3 (A000066).

The Compatible UNO R3 CH340 USB-C (SKU: AA743) is functionally identical to the Arduino UNO R3: same ATmega328P microcontroller @ 16MHz, same pinout, full compatibility with sketches, libraries, and shields via the standard Arduino IDE (Windows, Mac, Linux). The key difference from other compatible UNO versions is the USB-C connector — the same cable you use for your laptop or smartphone, no need for a separate USB-B cable. The board ships with a USB-C cable and 40-pin header included in the box.

Technical Specifications

Feature	Specification
Microcontroller	ATmega328P
USB-to-Serial Chip	CH340 (may require a driver)
USB Connector	USB-C (cable included)
Operating Voltage	5V
Input Voltage (VIN)	7–12V (recommended) / 6–20V (limit)
Clock Speed	16 MHz
Flash / SRAM / EEPROM	32 kB (0.5kB bootloader) / 2 kB / 1 kB
Digital I/O Pins	14 (6 PWM)
Analog Input Pins	6
DC Current per I/O / 3.3V Pin	20 mA / 50 mA
Communication	1× UART, 1× SPI, 1× TWI
Extras	Reset button, LED on pin 13, ICSP header, 14-pin expansion header
Dimensions / Weight	68.4mm × 53.1mm × 10mm / 25g

Which compatible UNO version should I choose?

	AA002 DIP ATmega328P	AA003 SMD CH340	AA743 CH340 USB-C (this version)	Genuine UNO Rev3
USB Connector	USB-B	USB-B	USB-C ✓	USB-B
USB Chip	ATmega16U2-style	CH340	CH340	ATmega16U2
Chip Mount	DIP (removable)	SMD	—	SMD
Cable included	✗	✗	✓	✗
Official Arduino	✗	✗	✗	✓
Best for	Experimentation, chip swap	Budget prototyping	Modern USB-C setup	Official support

Who is it for?

Modern laptop & MacBook users: If your computer only has USB-C ports, this board eliminates the need for an adapter — connect directly with the same cable you use for your phone.
Beginners & students: Comes with everything you need in the box — cable and header — ready to use from the first moment. Same functionality as the genuine UNO at a lower cost.
Schools & educational institutions: A cost-effective option for bulk purchase with no extra cable costs — reduces total equipment cost per student. Pairs with shields and sensors.

Frequently Asked Questions

Does the CH340 chip require a driver?
In some cases, yes — mainly on Windows and Mac; rarely on Linux. First check whether the board is automatically recognised in the Arduino IDE (a COM port appears). If not, a CH340 driver needs to be installed, freely available for Windows, Mac, and Linux.

What is the difference from your other compatible UNO boards?
The key difference is the connector: this version (AA743) has USB-C and ships with a cable included. Our other compatible versions use a classic USB-B connector (no cable included). Functionally, all of them run the exact same Arduino code.

Does it run the same code as the genuine Arduino UNO?
Yes, absolutely. The ATmega328P is the same microcontroller — all Arduino sketches, libraries, and tutorials work exactly the same. In the Arduino IDE select: Board → "Arduino Uno".

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