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Nano Mini USB With the bootloader arduino CH340

14 reviews
100% of buyers enjoyed this product! 15148 orders


Buyer protection
Safe shopping
Easy returns and refunds
Free shipping worldwide

Technical parameters:

1. 20 digital input/output port RX and TX, D2 ~ D13, A0 ~ A5

2. 8 analog input port A0 ~ A7

3. 1 to the TTL level a serial port to send and receive port RX/TX

4. 6 PWM port, D3, D5, D6, D9, D10, D11

5. Using Atmega328P microcontroller

6. Support serial download and ISP download

7. Support external 3.3V ~ 10V dc power supply

8. Support the Li-ion polymer batteries while direct connect Vcc Pin

9. 16 MHZ clock frequency


Voltage Regulator





Supply Voltage


Dissipation Power


Operating Temperature


Model Number






Brand Name


Shipping and delivery

We are proud to offer international shipping services that currently operate in over 200 countries and islands worldwide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says "no information available at the moment".

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you have specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

Refunds & returns policy

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • You do not receive them within the guaranteed time (45 days not including 2-5 day processing)
  • You receive the wrong item
  • You do not want the product you have received (but you must return the item at your expense and the item must be unused)

We do not issue the refund if:

  • Your order does not arrive due to factors within your control (e.g. providing the wrong shipping address)
  • Your order does not arrive due to exceptional circumstances outside our control (e.g. not cleared by customs, delayed by a natural disaster)
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on page.

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Real customer reviews

14 reviews
100% of buyers enjoyed this product!
5 stars
( 11 )
4 stars
( 3 )
3 stars
( 0 )
2 stars
( 0 )
1 star
( 0 )
  1. Customer

    Haven’t tested, but looks good!

  2. V***n

    I got to himki in 2 weeks. Everything works super!

  3. D***i

    Good store. I have ordered from this store a few times. Items are in good quality. But this time delivery took extra time, whole one month extra. But I hope this will not happen always.

  4. S***s

    In mo reached for 31 days, the quality of the fee is good, i will order more

  5. N***v

    Everything works fine, corresponds to the description. Hello from gaiver 🙂

  6. E***k

    All as in the description. Until i checked

  7. A***n

    Shipping 14 days.

  8. A***o

    It’s all right! Good store! Shipped quickly, all included (ordered five items by one parcel), shipping normal 14 days, no damage. The product is quality, corresponds to the description. Checked, everything works as it should, there are no complaints. Very satisfied with the seller and the goods!

  9. K***k

    Excellent!Delivered in 53 days.

  10. I***n

    fast shipping, it,s cool! blink is work, thanks

  11. A***n

    It’s okay!

  12. S***a

    I order a second time. Good mk. The first burned by stupidity (poorly cleaned quartz soldering acid-because of this burned quartz resonator). All the rules. Different from the old one is that the power led is now red, not green.

  13. K***O

    All good, took about 2 weeks to arrive to Finland

  14. D***v

    It seems to work, but too little experience to say for sure

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