Built-in Micro-USB, with flash and reset switches, easy to program
Full I/O port and Wireless 802.11 supported, direct download no need to reset
Arduino compatible, works great with the latest Arduino IDE/Mongoose IoT/Micropython
Arduino compatible, works great with the latest Arduino IDE/Mongoose IoT/Micropython
Firmware link: https://github.com/nodemcu/nodemcu-firmware