NodeMCU ESP8266 WiFi Module IoT Development Board

SKU: DSM172
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Product Specification:

  • Package contains:  1 x  NodeMCU
  • Power source: Micro USB port, this port is also used for uploading or updating the sketch and debugging
  • Size of Board: 49 x 24.5 x 13mm
  • Output power: 5V
  • Wifi Module inbuilt: ESP266

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NodeMCU stands for Node MicroController Unit. It is an open-source platform; its hardware design is open for edit/modify/build as being an open-source IoT platform. NodeMCU refers to firmware rather than a development board. Its software is based on firmware and this firmware runs on ESP266 Wifi Module from Espressif Systems. Its hardware is based on ESP-12 Modul. NodeMCU uses Lua script language.

The ESP-12E module containing ESP8266 chip has Tensilica Xtensa 32-bit LX106 RISC based MPU. This MPU supports RTOS and operates at 80MHz to 160 MHz with adjustable clock frequency. NodeMCU has 128 KB RAM and 4MB of Flash memory to store data and programs. Its high processing power with in-built Wi-Fi / Bluetooth and Deep Sleep Operating features make it ideal for IoT projects.

Specifications
  • 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, CP2102 onboard chip enables Plug n Play
  • PCB Antenna
Features
  • Simple programming languages like Lua script and Arduino IDE
  • Completely programmable
  • Open-source platform
  • Small size
  • Easily available in the market
  • A large number of project scope
Applications
  • Prototyping of IoT devices
  • Low power battery operated applications
  • Network projects
  • Multiple input-output interfaces with Wi-Fi and Bluetooth functionalities
Pinout Configuration
Pin Category Name Description
Power Micro-USB,

3.3V,

GND,

Vin

Can be powered through the micro USB port

3.3V: Regulated 3.3V can be supplied to this pin to power the board

GND: Ground pins

Vin: External Power Supply

Control Pins EN,

RST.

The enable/reset pins and the button resets the board.
Analog Pin A0 To measure an analog voltage range of 0v – 3.3V
GPIO Pins GPIO1 to GPIO16 Has 16 general purpose input-output pins on board.
SPI Pins SD1,

CMD,

SD0,

CLK.

Has four pins available for SPI communication.
UART Pins TXD0,

RXD0,

TXD2,

RXD2.

Two UART interfaces, UART0 (RXD0 & TXD0) and UART1 (RXD1 & TXD1).

UART1 is used for uploading the firmware and program.

I2C Pins Any GPIO NodeMCU has internal software I2C functionality support, So any GPIO can be converted into i2c pin.
SKU: DSM172 Category: Tags: , ,

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