ESP8266: flashing NodeMCU V1.0 on Mac OS X (or ESP8266 ESP-12E in general?) +1. Once the driver is properly installed, you can connect the board to a USB port on mac. ![]() The driver can be downloaded from this link. Install CH340G Driver for Flashing the board. 2 mins read Install Linux Flasher Tool.To write this article, I used the binary nodemcu_integer_0.9.6-dev_20150704.bin Download the version that corresponds to your project. Now that esptool is ready, download the latest firmware NodeMCU ESP8266 by visiting github. ![]() We are working on next version and will use QT framework Update firmware ESP8266 NodeMCU with esptool.py on macOS. 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 is a firmware programmer for NodeMCU DEVKIT V0.9. Since we need to install a unsigned driver for the USB to Serial Communication. On this feature the protection system is to disable the installation of non-certified KEXT (Kernel Extension) such as drivers. Apple OSX introduce the system integrity protection that disabled the modification system location of the user privileges. NodeMCU devkit can be flashed with latest firmware using your MAC OS, before you going to start you need to disable the OSX KEXT SIGNING feature.
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