The node mcu is an open-source firmware and development kit that helps you to prototype your iot product within a few lua script lines. Wi-Fi module: Esp-12e module similar to esp-12 module but with 6 extra gpios usb: Micro usb port for power, programming and debugging headers: 2x 2.54mm 15-pin header with access to gpios, spi, uart, adc and power pins miscellaneous: Reset and flash buttons dimensions: 49 x 24.5 x 13mmwith cp2102 ic, wi-fi module: Esp-12e module similar to esp-12 module but with 6 extra gpiosusb: Micro usb port for power, programming and debugging headers: 2x 2.54mm 15-pin header with access to gpios, spi, uart, adc and power pins miscellaneous: Reset and flash buttons Use ch340g replace the cp2102. Open source, interactive, programmable, low cost, simple, smart, Wi-Fi enabled Arduino like hardware io advanced api for hardware io, which can dramatically reduce the redundant work for configuring and manipulating hardware. Code like Arduino, but interactively in lua script. Nodejs style network api event driven api for network applications, which facilitates developers writing code running on a 5mm x 5mm sized mcu in nodes style. Greatly speed up your iot application developing process. Lowest cost Wi-Fi less than $3 Wi-Fi mcu esp8266 integrated and essay to prototyping development kit. We provide the best platform for iot application development at the lowest cost. Dimensions: 49 x 24.5 x 13mm

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