1. Overview

Development board accessories are essential components that extend the functionality of microcontroller/processor development platforms. These accessories include interface cables, power modules, sensor modules, expansion boards, and debugging tools that enable rapid prototyping and system integration. As core enablers for embedded system development, IoT prototyping, and industrial automation, these accessories significantly reduce development time while improving hardware compatibility and measurement accuracy.

2. Main Types and Functional Classification

3. Structure and Composition

Typical accessories feature: - Hardware Shell: Flame-retardant ABS or CNC-machined aluminum for mechanical protection - Interface Circuits: Level shifters and ESD protection components - Communication Modules: SPI/I2C/UART protocol converters - Power Conditioning: Voltage regulators and current limiting circuits - Mechanical Components: Mounting brackets and anti-vibration pads

4. Key Technical Specifications

5. Application Fields

• IoT Development: Smart home sensor nodes
• Industrial Automation: PLC expansion modules
• Consumer Electronics: Prototype gaming controllers
• Education: Robotics training platforms
• Medical Devices: Portable diagnostic equipment

6. Leading Manufacturers and Products

7. Selection Guide

Key considerations: - Project requirements: Match sensor types and communication protocols - Compatibility: Verify voltage levels and physical dimensions - Expandability: Check available GPIO and bus interfaces - Cost-effectiveness: Balance performance vs. budget - Environmental factors: Temperature range and vibration resistance - Support ecosystem: Availability of libraries and community resources

8. Industry Trends

Emerging trends include: - Wireless integration (Bluetooth/WiFi 6 modules) - AI-enabled sensor fusion algorithms - Modular system-in-package (SiP) designs - Open-source hardware standardization - Energy-harvesting power solutions - Increased adoption of 2.54mm standardization