• 32-bit Embedded Development Board 4MB Flash 11 GPIO IoT Open Source Board
  • 32-bit Embedded Development Board 4MB Flash 11 GPIO IoT Open Source Board
  • 32-bit Embedded Development Board 4MB Flash 11 GPIO IoT Open Source Board
  • 32-bit Embedded Development Board 4MB Flash 11 GPIO IoT Open Source Board
  • 32-bit Embedded Development Board 4MB Flash 11 GPIO IoT Open Source Board
  • 32-bit Embedded Development Board 4MB Flash 11 GPIO IoT Open Source Board

32-bit Embedded Development Board 4MB Flash 11 GPIO IoT Open Source Board

No.MR-276
32-bit embedded dev board with standard R3 pinout, 80MHz CPU, 4MB Flash, 11 GPIO, 1 ADC. Supports open source IDE, USB plug-and-play. Perfect for IoT, smart home, wireless projects and maker DIY.

Description

This 32-bit embedded development board adopts the standard R3 pin layout, is equipped with a high-performance 32-bit processor with a main frequency of 80 MHz, and comes with 4MB Flash storage. It has built-in wireless communication capabilities, 11 digital I/O ports, 1 ADC, and is compatible with I2C/SPI/UART communication interfaces. It supports mainstream open-source development environments, is USB plug-and-play, and has flexible power supply options. It is widely applicable to various scenarios such as IoT projects, smart home control, wireless sensor networks, DIY for makers, and embedded system development.

kernel parameter

1、Processor:32-bit 80MHz
2、Memory:4MB Flash
3、Digital IO:11 Channels
4、Analog Input:1 Channel
5、Communication:I2C / SPI / UART
6、Power Supply:USB / DC Input
7、Pin Layout:Standard R3
8、Operating voltage: 3.3V










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.

 

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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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