Start Using Wemos D1 Mini NodeMCU WiFi ESP8266 module with Arduino

Learn step by step how to use Wemos D1 Mini Development board

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Jump to different section of this video by clicking on the time:
00:00 Start
00:35 Introduction
01:44 Hardware Explained
05:20 Preparing IDE (install boards)
06:32 Blink LED demo
09:43 Pin mapping demo
10:44 HTTP Request demo (using Wifi to connect to the internet and send data)

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Tutorial by Ahmad Shamshiri form Canada
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[shortCasttv-emcy]

You covered a lot in so little time. Love it! Keep up the good work, brother!

[englishrupe]

Works a treat! Many thanks for your help Robojax!

[scottstevens]

I enjoy and appreciate your videos. They are very educational. Thanks

[MrBobWareham]

First time using Wemos D1 mini I did the led blink then the WiFi test both worked first time so now I know my D1 works fine thank you, so onwards and upwards cheers for your help "Bob in the UK"

[dannyjensen]

Great detail. Many details here not covered by other people. Thanks.

[christopherroa]

Great video! thank you so much! I am learning this to program an RGB light display, a Christmas present for my girlfriend :) This is my first time programming in arduino, and your tutorial is so helpful!

[AsiriDissanayaka]

Awesome, all the things that I was looking for...

[homelessrobot]

its actually 4MB of external flash for things like program storage. Its something like 128kb of sram, including whatever gets used by the firmware for running the wifi stuff.

[bozotheclown]

NIce video... Helpful and politely delivered.
Well done..

[janvermond]

Thank you for the video, very instructive. One problem that I encounter is the very bad wifi-connection of this board in your video( and mine). It is totally unpredictable if the board connect yes or no, and if it has connection, it looses connection(90% of the time it is searching for connection). My other is working fine with the same sketch in the same router environment. Do you have suggestions?

[buddyliem]

Thanks for the video. Just have one question. Can we use pin 5V pin as vcc meaning the power input to operate the device?

[patrickpat]

when I want to erase it on Windows and Python installed, with command ESPTOOL.PY -P COM2 ERASE_FLASH it gives me error: no data received

Do I have to put it in DOWNLOAD MODE or something like that? Thanks for answer me

[fanhe]

What's that relay you have? I need one of those to control my appliances!

[davidhopkins]

I am confused by how we refer to PIN numbers on the esp boards. If I put a sensor wire into pin D8 on the Wemos can I just say in setup: pinMode(D8, INPUT); and later in my code: attachInterrupt(D8, Flow, RISING); ? Do I need to include some kind of a legend to say D8 is some other number? Are the numbers different for interrupts? Thank you.

[smartassist]

Can I control 1 sensor and results control 5v water pump on /off as needed by sensor?with this?

[Dstrct]

Great video, thanks for the share. Can the Arduno also run on sim module, to work where there isn't wifi?

[jeremiasdapipeta]

hi sir! how to connect wemos d1 mini with l293d motor drive?

[davidhopkins]

I'll try one more time. I recently purchased a robojax Wemos D1 Mini board off Amazon. I am trying to use it with a Hall effect water flow sensor. I know the sensor works because it functions fine with my nano. I just cant get it working with Wemos. Can you point me to a project on the web that can walk me through the code of getting the Wemos board to work with this sensor? The sensor basically sensor a pulse every time the water wheel spins.The code needs to keep track of the pulses, which can come very fast. On the nano I set up a simple project using an interrupt. The same code won't work on the Wemos. Please help.

[Brainstorm]

Correct me if I'm wrong but isn't the ADC of ESP8266 only rated for voltages of 1 volts and lower?

[ademkazkondu]

I have a forklift that has a 60V battery. I would like to measure and write the voltage into a database via WiFi. How can I measure the voltage?