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VCC and GND
Extruder is the most important component for 3D printer
Battery Capacity : 5000 mAh
upgrade-ability and expansion
NodeMCU Based ESP8266 Development Kit (With Original CP2012 Chip) IRF640 VCC and GNDIntroduction : Wi fi module, based on ESP8266 system. On Board 10 GPIO ports (each of which can handle PWM, I2C and 1 wire), built in 10 bit ADC and a converter USB UART. It has installed software NodeMCU which enables programming with the Lua script language or using the Arduino IDE. NodeMCU (ESP8266 WiFi) is a highly integrated module It offers a complete and self contained Wi Fi networking solution, allowing it to either host the application or to