ESP8266 Community Forum

- Wed Dec 26, 2018 7:20 pm #79730 I got a generic esp8266 breakout board, identical to [this one](https://www.ebay.com/itm/202465146997). The only markings on the front or back of the board are "HW-625". I can't find any information regarding this specific device, let alone how to program it.

I installed the NodeMCU boards manager into the arduino IDE, and I went through and tried the boards that it added, but most of them did nothing. The one that looked most promising was the board "NodeMCU 0.9 (ESP-12 Module)". When I clicked "upload" for that board. This output appeared:

Uploading 303712 bytes from /tmp/arduino_build_178271/test.ino.bin to flash at 0x00000000
..................................................................... [ 26% ]
..................................................................... [ 53% ]
..................................................................... [ 80% ]
......................................................... [ 100% ]

It seemed to upload *something*, and the blue light on the board flashed during the upload, but the sketch didn't execute on the board at all. I would really appeciacy any help with this. Thanks!

- Wed Jan 02, 2019 7:14 pm #79834 The board you're referring to is a NodeMCU (it only has a different USB-UART convertor and doesn't have the NodeMCU markings since it's simply a copy/clone) and you can use it as is.

If you sketch doesn't seem to work, you did something wrong in your sketch.

Assumption is the mother of all f*ckups. At least: that's what I'm assuming.