Wemos NodeMCU V3 Lua ESP8266 with 4MB Flash Memory MicroUsb

The NodeMCU V3 Lua ESP8266 WiFi Development Board is a powerful and easy-to-use microcontroller board designed for Internet-of-Things (IoT) and smart automation projects.
It is based on the ESP8266-12E WiFi module, featuring a Tensilica 32-bit LX106 microcontroller, built-in WiFi, and 4 MB of Flash Memory — perfect for your advanced IoT applications.

The board includes an onboard CH340 USB-to-Serial converter for stable USB connectivity and power. It is 100% compatible with Arduino IDE, Lua scripting, and MicroPython, giving you flexibility in development.

⚙️ Key Features

• ESP8266-12E WiFi module (Tensilica LX106 CPU)

• Clock Speed: 80 MHz / 160 MHz

• Flash Memory: 4 MB

• Operating Voltage: 3.3 V (5 V input via Micro-USB)

• WiFi Standard: 802.11 b/g/n (Integrated TCP/IP stack)

• CH340 USB Interface Chip

• 10 GPIO pins + UART, SPI, I2C, PWM support

• Breadboard friendly and compact design

• Fully compatible with Arduino IDE, Lua and MicroPython

• Auto programming and reset support

🧠 Applications

• IoT and Smart Home Projects

• WiFi Sensors and Switches

• Cloud data logging and automation

• Wireless monitoring and control

• DIY and student electronics projects

✅ Why Choose NodeMCU V3

NodeMCU V3 offers a perfect balance between power, size, and simplicity. Its 4 MB flash memory allows you to run complex firmware such as ESPHome, Tasmota, or custom Arduino sketches.
In Bangladesh, it’s one of the most affordable and widely supported WiFi development boards for hobbyists and professionals alike.