WEEK 3

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 WEEK 3

RESEARCH AND FINDINGS


In this week I’m continuing my research about NodeMCU ESP8266 (Wi-Fi Module) buzzer, LED indicator and the servo motor. In my project, I would like to interface NodeMCU ESP8266 (Wi-Fi Module) and the servo motor by using Blynk Apps through IoT technology.


Introduction of NodeMCU ESP8266

NodeMCU is an open-source Lua based firmware and development board specially targeted for IoT based Applications. It includes firmware that runs on the ESP8266 Wi-Fi SoC from Espressif Systems, and hardware which is based on the ESP-12 module. 




NodeMCU ESP8266 Specifications & Features

  • Microcontroller: Tensilica 32-bit RISC CPU Xtensa LX106
  • Operating Voltage: 3.3V
  • Input Voltage: 7-12V
  • Digital I/O Pins (DIO): 16
  • Analog Input Pins (ADC): 1
  • UARTs: 1
  • SPIs: 1
  • I2Cs: 1
  • Flash Memory: 4 MB
  • SRAM: 64 KB
  • Clock Speed: 80 MHz
  • USB-TTL based on CP2102 is included onboard, enabling Plug n Play
  • PCB Antenna
  • Small sized module to fit smartly inside IoT projects




Circuit diagram that consist of NodeMCU ESP8266, buzzer, LED indicator, voltage regulator and servo motor.








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