Description

The Wemos ESP8266 NodeMCU is a compact and powerful development board featuring the ESP8266EX microcontroller, offering integrated Wi-Fi and a 0.96-inch OLED display (128×64 resolution) for displaying real-time data and system status updates. It’s ideal for creating IoT solutions, home automation systems, sensor networks, wearable electronics, and more.

Key Features & Benefits

• Wi-Fi Connectivity: Easily connect to wireless networks for IoT applications.
• OLED Display (128×64): High-resolution screen for clear visual output of data.
• Compact Design: Small form factor (59mm x 31mm) suitable for embedded projects and wearables.
• Multi-Interface Support: Includes GPIOs, I2C, SPI, and UART for connecting external devices.
• Easy to Program: Compatible with Arduino IDE and Lua scripting for versatile development.
• Low Power Consumption: Supports deep sleep mode for energy-efficient operation.
• USB-C Interface: Reliable USB-C connection for power and programming.

Applications

• Home Automation: Build smart systems for controlling devices like lights and thermostats.
• Sensor Networks: Develop wireless networks for monitoring environmental data like temperature and humidity.
• Wearable Electronics: Create small, battery-powered wearable devices for health or fitness tracking.
• Smart Displays: Use the OLED screen for real-time data visualization and notifications.
• Prototyping & Development: Rapidly prototype and test IoT solutions with minimal setup.

Specifications

• Microcontroller: ESP8266EX (32-bit RISC CPU)
• Wi-Fi Standard: 802.11 b/g/n (2.4 GHz)
• Operating Voltage: 3.3V
• Input Voltage: 5V (via USB-C or Micro USB)
• Digital I/O Pins: 11
• Analog Input Pins: 1
• Flash Memory: 4MB
• SRAM: 64KB
• Clock Speed: 80 MHz
• OLED Display: 0.96-inch, 128×64 resolution (SSD1306 driver)
• I2C Interface: SDA (GPIO14/D5), SCL (GPIO12/D6)
• Power Consumption: Low power with deep sleep mode
• USB Interface: CH340G USB-to-Serial
• Software: Arduino IDE, Lua scripting
• Dimensions: 59mm x 31mm