• ESP8266 IoT Development Board - 16MB Flash + External Antenna, NodeMCU Firmware Compatible for Smart Home & Sensor Networks
  • ESP8266 IoT Development Board - 16MB Flash + External Antenna, NodeMCU Firmware Compatible for Smart Home & Sensor Networks
  • ESP8266 IoT Development Board - 16MB Flash + External Antenna, NodeMCU Firmware Compatible for Smart Home & Sensor Networks
  • ESP8266 IoT Development Board - 16MB Flash + External Antenna, NodeMCU Firmware Compatible for Smart Home & Sensor Networks

ESP8266 IoT Development Board - 16MB Flash + External Antenna, NodeMCU Firmware Compatible for Smart Home & Sensor Networks

No.MR-278
  • Small compact structure
  • USB data communication
  • Multiple digital I/O pins
  • Easy program uploading
  • Compatible with various sensor modules
  • Low power stable performance

Description

This ESP8266 IoT development board is designed for makers and engineers, featuring a high-performance ESP8266 chip with 16MB ultra-large flash memory for storing complex programs and data. It includes an external antenna connector to significantly enhance wireless signal range and stability. Equipped with a CH340G serial chip for stable communication with computers, it supports both Arduino IDE and Lua scripting environments to lower the development threshold. Its compact size makes it easy to embed in various devices, making it an ideal choice for IoT projects such as smart homes, remote monitoring, and sensor networks.

  • Main Chip: ESP8266EX
  • Clock Frequency: 80MHz / 160MHz
  • Flash Memory: 4MB
  • Wireless: WiFi 802.11 b/g/n 2.4GHz
  • Interface: Micro USB
  • Operating Voltage: 3.3V (IO level)
  • Power Input: 5V via USB / 5V pin
  • Digital I/O Pins: 11
  • Analog Input: 1 channel (Max 3.2V, 10-bit ADC)
  • Communication: I2C, SPI, UART, PWM
  • Antenna: Onboard PCB antenna
  • Dimensions: 34.2mm × 25.6mm
  • Support: Arduino IDE, MicroPython
  • Accessories: Pin headers









We focus on three core product categories to meet diverse market demands:

 

1、Passive Components: We offer a comprehensive range of resistors, capacitors, inductors, and connectors, backed by stable stock and competitive pricing to support your continuous production needs.

 

2、Integrated Circuits (ICs) & Microcontrollers: Our portfolio features high-performance chips, including the ESP32 series, MCUs, and logic ICs. All components are sourced from authorized distributors to ensure guaranteed quality and authenticity.

 

3、PCB & PCBA Solutions: We provide complete supply chain support for printed circuit boards, ranging from prototype fabrication to mass production assembly, serving the IoT, consumer electronics, and industrial sectors.

 

4、Quality & Service Commitment
At Muren Technology, we prioritize authenticity and traceability. Every batch undergoes strict quality inspection with full lot traceability and customs declaration support. Whether you require samples, small-batch trials, or large-volume orders, our professional team ensures accurate delivery and long-term stable cooperation.

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