Accessories

Image	Part Number	Description / PDF	Quantity	Rfq
	321070014 Seeed	BUS PIRATE CABLE	0
	110990443 Seeed	CRAZYFLIE 2.0 MALE CONN 10POS	0
	102990003 Seeed	BUS PIRATE LCD ADAPTER V3	0
	114990228 Seeed	MAKESENSE MAX WITH USB MICRO CAB	0
	104990164 Seeed	LIGHTVIEW 201K DIGITAL MODULE	0
	114990175 Seeed	MICRO/NANO/STND SIM CARD CONV	0
	114990176 Seeed	MICRO SIM CARD CONVERTER	0
	114990009 Seeed	86DUINO ONE CABLE KIT	0
	103990024 Seeed	LCD EXT BREAKOUT OF 0.5MM FPC	0
	114990008 Seeed	86DUINO ZERO CABLE KIT	0
	105990004 Seeed	USB AND SERIAL LCD BACKPACK	0
	114110005 Seeed	RASPBERRY PI ENCLOSURE	0
	109990425 Seeed	DSLOGIC PLUS USB-BASED LOGIC ANA	0

Accessories

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

Type	Functional Features	Application Examples
Interface Cables	High-speed data transfer, hot-plugging support	USB-UART converters, HDMI breakout cables
Power Modules	Regulated voltage output, battery management	Lipo battery packs, DC-DC converters
Sensor Modules	Digital/analog signal acquisition, calibration-free	Temperature/humidity sensors, IMUs
Expansion Boards	Peripheral interface extension, protocol conversion	Motor drivers, LoRaWAN shields
Debugging Tools	Real-time tracing, voltage measurement	JTAG probes, logic analyzers

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

Parameter	Description
Interface Compatibility	Supports USB 3.0, SPI up to 10MHz, I2C 400kHz
Power Handling	1.8V-24V input range, 5A max current
Signal Integrity	12-bit ADC resolution (0.01% error), 1ns jitter
Environmental Rating	Operating temp: -40 C to +85 C, IP54 dust/water resistance
EMC Compliance	FCC Part 15 Class B, CE EN55032

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

Manufacturer	Representative Products
Arduino	Arduino MKR Shield, Nano I/O Breakout
Raspberry Pi	Pico W Expansion Board, HAT+ Prototyping
STMicroelectronics	ST-Link/V2 Debugger, X-NUCLEO Expansion
Texas Instruments	LaunchPad SensorHub, BoosterPack MKII

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