WeMos D1 R2 WiFi UNO Based ESP8266 for Arduino Without MIcro USB Cable
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020
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WeMos D1 R2 WiFi UNO Based ESP8266 for Arduino Without MIcro USB Cable

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  • Product SKU: KG754
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Highlights
  • Original, High Quality
  • KitsGuru Warranty
  • ESP8266 WiFi Board
  • UNO Form Factor
  • Arduino IDE Support
  • 4MB Flash Memory
  • Built-In WiFi
  • IoT Ready Board
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  • Video Support to be purchased separately
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Specification

Description

WeMos D1 R2 WiFi Development Board (ESP8266 UNO Compatible) – Without Micro USB Cable

The WeMos D1 R2 ESP8266 WiFi Development Board is an Arduino UNO–form-factor board powered by the ESP8266EX WiFi microcontroller. It combines the familiar Arduino layout with built-in WiFi capability, making it ideal for IoT, automation, and wireless control projects.

Operating at 3.3V, the board features 11 digital I/O pins and 1 analog input pin, along with a larger 4MB flash memory compared to a standard Arduino UNO. It is fully compatible with both the Arduino IDE and NodeMCU firmware environments.

The D1 R2 includes an onboard switching power supply, allowing it to be powered from an external 9V–12V DC source. Programming and power via USB require a Micro-B USB cable (not included).

Features

  • Based on ESP8266EX 32-bit WiFi microcontroller
  • Arduino UNO form factor for easy shield compatibility
  • Fully compatible with Arduino IDE
  • Supports NodeMCU firmware
  • Built-in WiFi for IoT and wireless projects
  • Onboard switching power supply
  • External power input support up to 12V
  • Micro-USB interface for programming and power (cable not included)

Technical Specifications

  • Item Type: Development Board / WiFi Module
  • Microcontroller: ESP8266EX
  • Operating Voltage: 3.3 V
  • Flash Memory: 4 MB
  • Digital I/O Pins: 11
  • Analog Input Pins: 1
  • Digital I/O Capabilities: PWM, Interrupt, I2C, One-Wire (except D0)
  • IDE Support: Arduino IDE, NodeMCU

Power Specifications

  • USB Input: 5 V (via Micro-USB)
  • External Input Voltage: 9 V – 12 V DC
  • Onboard Regulated Output: 5 V (up to 1 A max)

Physical Attributes

  • Dimensions (L × W × H): 68 × 54 × 12 mm
  • Net Weight:  23 g

Applications

  • IoT and WiFi-enabled projects
  • Home automation systems
  • Wireless sensor networks
  • Arduino-based development and prototyping
  • Educational and DIY electronics projects

Package Includes

  • 1 × WeMos D1 R2 ESP8266 WiFi Development Board

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