![]() ![]() Windows – ESP8266 NodeMCU Firmware Programmer Download the NodeMCU flasher program. These names are the default names that the Arduino IDE creates, with the version number added. -32s-3.4.bin – for the NodeMCU-32S development kit. ![]() -3.4.bin – for the NodeMCU ESP8266-12E development kit.Download this firmware image here: The versions will be named as follows: Customized Zimodem Firmware images I have a customized version of the Zimodem firmware on my server pre-built for the NodeMCU ESP8266-12E devkit, NodeMCU-32S devkit, and ESP-1 module. Here are the steps as I know them, for Windows (with a nice GUI), or Mac OS X/Linux (command line). But, if you aren’t a developer and don’t really want to go through that many hoops, you can take an existing firmware binary file and just load it directly. I have been providing steps on how to install and configure the Arduino IDE so you can download the Zimodem source, build it, and load it. One of the challenges users face is how to get this firmware installed on their module to begin with. The excellent by Bo Zimmerman turns a low-cost ESP8266 module into a WiFi smart modem. Customized Zimodem firmware for all three of these platforms is now being created. ![]() Updating ESP8266 / ESP32 Firmware NOTE: These instructions are currently limited to devices like the NodeMCU ESP8266-12E and the NodeMCU-32S development kits. : Removed second Windows option until I have confirmed how it works.If it works, I may update this just to use that one tool for both module types. : Added link to Espressif tool for Windows that is supposed to do ESP32 modules (and also does ESP8266).: Added notes about versions for ESP-1, NodeMCU ESP8266-12E, and NodeMCU-32S modules.: Clarification on what ESP devices these instructions are currently limited to, per a comment from James J.The blank.bin file: INTERNAL://BLANK The esp_init_data_default.bin file(for 26MHz crystal): INTERNAL://DEFAULT. Tips: You could use some special path to do something interesting. File not exist), the line will become red. Before you doing it, GPIO0 MUST LOW.Īnd wait a moment. ![]() Usage Just click flash and you can burn firmware to ESP8266. It will be cross platform and open source. We are working on next version and will use QT framework. Alternatively you con look on the back of the printed circuit (on most versions) for the recommended rate. My ESP 8266 was listed as /dev/cu.wchusbserial1410 (yours may be different). Select the ESP 8266 from the drop down menu labeled serial port. You MUST set GPIO0 to LOW before programming, and NodeMCU DEVKIT V0.9 will do it automatically. You can use it to program NodeMCU DEVKIT or your own ESP8266 board. NodeMCU Flasher NodeMCU flasher is a firmware programmer for NodeMCU DEVKIT V0.9. ![]()
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