HiLetgo 1PC ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Small)

(234 Reviews)

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$7.99

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(20000 available )

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  • Dario D.

    > 24 hour

    You can actually program this thing from Arduino IDE even without pushing the reset and program buttons on the board. It seems to have 4MB (the big B = Bytes, 32 Mbits) of flash memory. Its worth looking into SPIFFS (mounting file system on the part of the flash). Didnt try that just yet, but I do plan to move Arduino Mega2560 + ethernet shield web app to this platform. Did try several examples using it as WiFi access point, and captive portal.

  • MachMyDay

    > 24 hour

    I bought these to experiment with WLED for Christmas and holiday lighting. I purchased the JSAUX (2-Pack 6.6FT) Micro USB Android Charger Cable, and I did not have any issues flashing these NodeMCUs with that cable. I did have to download the UART driver to get my Windows PC to recognize this board. I found the driver at the SILABS website and downloaded, unzipped and installed. I used esphome-flasher and it recognized my board as COM3. I installed the WLED ......ESP8266.bin file (see pic), and that worked like a charm. I did not have to hit the reset button on the board, but if yours does not work right away, give that a shot. Your LED will remain illuminated blue if your flash was successful. I am running 12V WS2811 LEDs and 5V to the board. I am having a little bit of flashing and flickering with my current setup because of the length of my data wire. I have ordered some logic level shifters HiLetgo 5pcs TXS0108E High Speed Full Duplex. Im optimistic that these will stop the flickering. Ill let you know when I get them. If you are working on a WLED setup and this review helped you, please hit the helpful button so that this moves up in the results. Thanks.

  • Jon W.

    > 24 hour

    Excellent device! One correction or tip in the Arduino set-up directions for new users: 3. Set up your Arduino IDE as: Go to File->Preferences and copy the URL below to get the ESP board manager extensions: arduino.esp8266.com/stable/package_esp8266com_index.json Add the prefix http:// to the beginning the board manager extension link given above.

  • Justin Kendall

    > 24 hour

    Delivery was quick and came in perfect condition. Came packaged in static proof bag pins were fine labels were fine worked flawlessly. Excellent quality product. Got myself into coding now Im building stuff with esp8266.

  • Pauline Hudson

    > 24 hour

    Shipped quickly and in an anti-static bag. Appears to be a functioning NodeMCU 1.0 board.

  • Waleed

    > 24 hour

    It works well,but its kinda hard to use,and diffidently you can get a one like these for about $3.

  • joey zielinski

    > 24 hour

    Great little board. Cant beat the price for something so useful. Tons of GPIO and perfect for MQTT use. Do yourself a favor though. Forget about LUA if you already have a little background messing with arduino code. You should check out PlatformIO(not affiliated) as an IDE for these boards. It has esptool built in and the board drivers are already there. Use pio to install the ESP8266wifi library (pio lib install 1101) and your good. I had this board up and posting to my MQTT server in a couple hours using the PubSubClient.h library(pio lib install 89).

  • PFD

    > 24 hour

    This board does not work with an Arduino board. You get the following error during upload of any Arduino IDE: Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1/python3: no such file or directory. So, you go to the web for help and get many comments about this error. But no one has really resolved it as of 11/24/19, especially for any normal user. Caveat Emptor!

  • A. Young

    > 24 hour

    Works great, and nicely compatible with ESPHome, although the need to manually flash it first time around with its own software, rather than being able to flash it the normal generic-serial way, was a little confusing. (Hence the four-star review.)

  • Jeff Rescignano

    > 24 hour

    This board works great for my development needs on the ESP8266 platform. Works great in the Arduino IDE.

Description:
ESP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained networking solution, allowing it to either host the application or to offload from another application processor.

Instruction & Steps of How to use:
1. Download the Arduino IDE, the latest version.
2. Install the IDE
3. Set up your Arduino IDE as: Go to File->Preferences and copy the URL below to get the ESP board manager extensions: arduino.esp8266.com/stable/package_esp8266com_index.json
4. Go to Tools > Board > Board Manager> Type "esp8266" and download the Community esp8266 and install.
5. Set up your chip as: Tools -> Board -> NodeMCU 1.0 (ESP-12E Module) Tools -> Flash Size -> 4M (3M SPIFFS) Tools -> CPU Frequency -> 80 Mhz Tools -> Upload Speed -> 921600 Tools-->Port--> (whatever it is)
6. Download and run the 32 bit flasher exe at Github(Search for nodemcu/nodemcu-flasher/tree/master/ at Github) github.com/nodemcu/nodemcu-flasher/tree/master/Win32/Release Or download and run the 64 bit flasher exe at: github.com/nodemcu/nodemcu-flasher/tree/master/Win64/Release
7. In Arduino IDE, look for the old fashioned Blink program. Load, compile and upload. 8. Go to FILE> EXAMPLES> ESP8266> BLINK, it will start blinking.

Data download access to the website: http://www.nodemcu.com/index_en.html
Firmware link: https://github.com/nodemcu/nodemcu-firmware

Note: Please contact us if you need the driver or meet any issue when using. We provide 100% satisfication service for customers.

Package included:
1* HiLetgo ESP8266 NodeMCU LUA CP2102 Development Board

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