All
Product keywords
Please enter the email address account

Customer Q&A

  • All(10)
  • Product Information(6)
  • Stock Status
  • Payment(2)
  • About Shipping(1)
  • Others(1)
Q

What is the delivery time for Poland?

By Maks Korwiel Feb-10/2018 16:14:52

A

Hello Maks,


Generally, most of our items will be shipped within 3-7 business days after payment. However, the exact processing time varies depending on the item.


Please refer to our shipping estimations below:

1) Expedited Shipping: 3-7 business days 

2) Unregistered Air Mail & Registered Air Mail: 10-40 business days

3) Priority Line: 5-25 business days (Only available for certain countries)


Learn more information about our shipping methods here: http://www.gearbest.com/about/shipping-methods.html

 


Q

How much is shipping to Mexico?

By Alejandro Mariles Buendía Sep-04/2017 01:35:47

A

Hello Alejandro,

You can see the shipping cost and delivery time during the checkout. 


Simply add the items you wish to purchase to your cart and select your delivery country. The available shipping methods and cost will then be displayed.


The delivery cost depends on the shipping method chosen, along with other factors such as weight, shipping time and the destination country.  


Q

Hi im interested in this product, but the company ask me for an invoice if I bought one. can you make invoice ?

By Ignacio Viche Jul-04/2017 15:10:10

A

Hello Ignacio,
After we ship out the package, we will offer you invoice.

Q

Hi, I was wondering how I connect this to a power source. Is there an adapter to connect to a USB port? If so, what is it called? Thanks

By Dave May-14/2017 01:23:23

A

Hello Dave,

It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I / O pins available and its connectors is USB


Let me know if you need any help.

Q

are returns free?

By Peter May-03/2017 23:07:48

A

Hello Peter
Please read our full warranty terms here: http://www.gearbest.com/about/warranty-and-return.html

Q

can this board be programmed from a pc or is it only for mac? (i have windows 10 laptop)

By fred Apr-26/2017 17:39:30

A

Hello fred, 


This is a 2.4GHz WiFi development board NodeMCU that is based on ESP-12E. It adopts modern mature LUA technology. It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I / O pins available.

Q

Can you code this using a program like audrino.

By Benjamin steinbock Apr-24/2017 09:49:15

A

Hello Benjamin,

This is a 2.4GHz WiFi development board NodeMCU that is based on ESP-12E. It adopts modern mature LUA technology. It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I / O pins available.


Please be free to order it if you like this item.

Q

How much on-board memory does this board have? For example, if I were to load a program onto the board, how much could it save (e.g. 512KB, 1MB, 2MB etc.)

By Tweakly Apr-20/2017 05:26:18

A

Hello, Tweakly

Thank you for the inquiry.

The RAM is 8MB.

Please feel free to contact us if you have additional questions.

Q

What is the main connector to power the board?

By Jay Apr-18/2017 14:05:02

A

Hello Jay,

Description:
This is a 2.4GHz WiFi development board NodeMCU that is based on ESP-12E. It adopts modern mature LUA technology. It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I / O pins available.

Main Features:
● Modern Internet development tools, such as Node.js, can take the advantage of the NodeMCU to achieve your ideal immediately.
● NodeMCU is built based on the mature ESP8266 technology to take advantage of the abundant resources available on the web. 
● NodeMCU has ESP-12E serial WiFi on board, which is integrated with GPIO, PWM, ADC, I2C and 1-WIRE resources.
● NodeMCU has built-in super reliable industrial CP2102 USB to TTL serial circuit to support all platforms.

Q

I bought it and was wondering if this could jam WiFi signals. I bought it and I didn't know if it was the right kind and im worried i wasted 5 dollars. Please give me an honest answer.

By Jonah Oscendosky Apr-18/2017 11:52:42

A

Hello Jonah
For after sales issue, please go to our  Support Center here: http://support.gearbest.com/
For a faster reply, please select the right question type.We kindly ask you to submit one ticket per topic(i.e order).We will reply you within 24 hours except on weekends and public holidays.

Q

Hi, I was wondering how I connect this to a power source. Is there an adapter to connect to a USB port? If so, what is it called? Thanks

By Dave May-14/2017 01:23:23

A

Hello Dave,

It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I / O pins available and its connectors is USB


Let me know if you need any help.

Q

can this board be programmed from a pc or is it only for mac? (i have windows 10 laptop)

By fred Apr-26/2017 17:39:30

A

Hello fred, 


This is a 2.4GHz WiFi development board NodeMCU that is based on ESP-12E. It adopts modern mature LUA technology. It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I / O pins available.

Q

Can you code this using a program like audrino.

By Benjamin steinbock Apr-24/2017 09:49:15

A

Hello Benjamin,

This is a 2.4GHz WiFi development board NodeMCU that is based on ESP-12E. It adopts modern mature LUA technology. It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I / O pins available.


Please be free to order it if you like this item.

Q

How much on-board memory does this board have? For example, if I were to load a program onto the board, how much could it save (e.g. 512KB, 1MB, 2MB etc.)

By Tweakly Apr-20/2017 05:26:18

A

Hello, Tweakly

Thank you for the inquiry.

The RAM is 8MB.

Please feel free to contact us if you have additional questions.

Q

What is the main connector to power the board?

By Jay Apr-18/2017 14:05:02

A

Hello Jay,

Description:
This is a 2.4GHz WiFi development board NodeMCU that is based on ESP-12E. It adopts modern mature LUA technology. It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I / O pins available.

Main Features:
● Modern Internet development tools, such as Node.js, can take the advantage of the NodeMCU to achieve your ideal immediately.
● NodeMCU is built based on the mature ESP8266 technology to take advantage of the abundant resources available on the web. 
● NodeMCU has ESP-12E serial WiFi on board, which is integrated with GPIO, PWM, ADC, I2C and 1-WIRE resources.
● NodeMCU has built-in super reliable industrial CP2102 USB to TTL serial circuit to support all platforms.

Q

I bought it and was wondering if this could jam WiFi signals. I bought it and I didn't know if it was the right kind and im worried i wasted 5 dollars. Please give me an honest answer.

By Jonah Oscendosky Apr-18/2017 11:52:42

A

Hello Jonah
For after sales issue, please go to our  Support Center here: http://support.gearbest.com/
For a faster reply, please select the right question type.We kindly ask you to submit one ticket per topic(i.e order).We will reply you within 24 hours except on weekends and public holidays.

Be the FIRST to Ask a question. Want G Points? Just Write a Review!

Q

How much is shipping to Mexico?

By Alejandro Mariles Buendía Sep-04/2017 01:35:47

A

Hello Alejandro,

You can see the shipping cost and delivery time during the checkout. 


Simply add the items you wish to purchase to your cart and select your delivery country. The available shipping methods and cost will then be displayed.


The delivery cost depends on the shipping method chosen, along with other factors such as weight, shipping time and the destination country.  


Q

Hi im interested in this product, but the company ask me for an invoice if I bought one. can you make invoice ?

By Ignacio Viche Jul-04/2017 15:10:10

A

Hello Ignacio,
After we ship out the package, we will offer you invoice.

Q

What is the delivery time for Poland?

By Maks Korwiel Feb-10/2018 16:14:52

A

Hello Maks,


Generally, most of our items will be shipped within 3-7 business days after payment. However, the exact processing time varies depending on the item.


Please refer to our shipping estimations below:

1) Expedited Shipping: 3-7 business days 

2) Unregistered Air Mail & Registered Air Mail: 10-40 business days

3) Priority Line: 5-25 business days (Only available for certain countries)


Learn more information about our shipping methods here: http://www.gearbest.com/about/shipping-methods.html

 


Q

are returns free?

By Peter May-03/2017 23:07:48

A

Hello Peter
Please read our full warranty terms here: http://www.gearbest.com/about/warranty-and-return.html