Product Features:

• UNO R3 Development Board, USB Interface, With USB Cable, PCB Mount, Expert Version
• UNO R3 board is 100% compatible with the original board;
• It is an open source physical computing platform based on a simple I/O board and a development environment that implements processing/wiring language;
• Can be used to develop independent interactive objects, and can also be connected to software on a computer;
• Improve the transfer rate, without Linux or Mac driver;
• High Quality with 30 days 100% Money back; 
• From the OEM Original Factory, same quality with much better price. 

Module Parameters:

• Digital quantity I/O digital quantity input/output terminal: 0 to 13;
• Analog quantity I/O analog quantity input/output: 0 to 5;
• Support ISP download function;
• Input voltage: No external power supply is needed when connected to the computer USB, the external power supply input 5V~9V DC voltage;
• Output voltage: 5V / 3.3V DC;
• Use Atmel Atmega328 microprocessor controller.

Where is your products origin? Are they certificated?

wxconn have long-term cooperation agreements with many OEM factory in China to reduce the intermediate channel cost and help you save money. Our products all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality. 

What forms of payment do you accept?

Our main payment method include Paypal, Credit Card, Bank Transfer and so on. You could choose anyone at your convenience

When will you arrange shipment?

After confirming receipt of your payment, we will arrange the shipment as soon as possible and upload the courier number to the website for your easy tracking.

Under normal circumstances, the product will be sent out within 48 hours, if the package cannot be send out timely due to special circumstances, we will contact you in advance and inform the specific reasons.

How to exchange or return?

1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and products is in original condition. We will arrange your refund according to the relevant provisions once package received.

2. Return process: You Apply for Return - Approve Return - You Arrange Return - Receive Products and make Inspection - We arrange Refund;

3. We will bear the freight charges for returns caused by us, for instance the quality problem; As to returns caused by the client, customer should be responsible for the shipping fee;