NodeMCU V2 Lua Based ESP8266 Development BoardThe NodeMcu is an open-source firmware and development kit that helps you to prototype your IOT product within a few Lua script lines.Features Low-cost WiFi solution programmable with the Lua scripting language On-board USB-serial adaptor PCB antenna (no external antenna required) 10 GPIO pins, each GPIO can be PWM, I2C, 1-wire Breadboard compatible Powered via microB USBSpecifications Operating voltage: 5 VDC (USB) Dimensions: 5.8 x 3.2 x 1.2 cm Weight: 12 g
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