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HiLetgo 2pcs ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module (Pack of 2PCS)

(1868 Reviews)
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$12.69
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(10000 available )
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202 Ratings
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Reviews

  • Ward Okuneva

    > 24 hour

    Easy to configure using mongoose os.

  • G Singh

    > 24 hour

    1 of the pieces came damaged. It powers on but the wifi never connects. Apart from that the other one works excellent.

  • Nunyabiz

    > 24 hour

    Easy to progam and the small size makes it easy to put anywhere.

  • C S.

    > 24 hour

    I mistakenly left feedback about the driver not working, found instructions on their web site that solved the problem

  • Giancarlo

    > 24 hour

    Worked fine with Arduino IDE.

  • Jesse Nelson

    > 24 hour

    I don’t have a clue how to use them , I just bought them because I could

  • David H. Glass

    > 24 hour

    Ill try later on a WIndows machine, but Ive downloaded the drivers in SiLab and followed all the instructions several times. I get all the options on the Arduino IDE to select the board, CPU speed, etc, just not the port. When I connect it, the blue light blinks once and thats it. EDIT: After attempting with several cables, even ones that had worked with a NANO, I found one that worked and am giving this 5 stars Ive tried several cables and even different USB ports... No glory I hate giving this a 1 star review, but it just doesnt work

  • Dritan

    > 24 hour

    Got a first blink then web server to turn on/off the built-in LED via APIs called on web browser. Use the provided examples in Arduino IDE after installing esp8266 board. Pretty straight forward and neat! Theres a teeny tiny bug when using the Arduino IDE and executing digitalWrite(LED_BUILTIN, LOW); will actually cause it to be HIGH and turn ON the LED. Executing digitalWrite(LED_BUILTIN, HIGH); will toggle a LOW execution. But this appears to be only for LED_BUILTIN and the other output PINs seem to respect LOW to send a LOW signal and HIGH for the HIGH output. Great product so far!

  • Jeremiah

    > 24 hour

    Built with quality components and super clean. The manufacturer is definitely performing detailed quality control on these boards. Its has a convenient flash button on it so no more jumping pins to upload to the board. Uploaded program to it the first try, ran the code perfectly and WiFi was stable and responsive. Will be getting more for future projects.

  • Angelo Klocko

    > 24 hour

    I like the chips but there power hogs.

Product 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 all networking functions 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: http://arduino.esp8266.com/stable/package_esp8266com_index.json Placing the http:// before the URL lets the Arduino IDE use it...otherwise it gives you a protocol error.
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.

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

Package included:
2* HiLetgo ESP8266 NodeMCU CP2102 Development Board

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