Evaluation Boards - Expansion Boards, Daughter Cards

Part Number	Description / PDF	Quantity
EVAL-AD7984-PMDZ Analog Devices, Inc.	EVAL BOARD 18BIT ADC AD7984	2
SEN-16466 SparkFun	ENVIRONMENTAL SENSOR BREAKOUT -	112
MIKROE-1648 MikroElektronika	BOARD LINEAR HALL SENSOR CLICK	0
SEN0101 DFRobot	TCS3200 RGB COLOR SENSOR BOARD	58
MIKROE-1528 MikroElektronika	DEV BOARD STEPPER	1
MIKROE-3427 MikroElektronika	ECG 4 CLICK	4
BOB-16842 SparkFun	SPARKFUN QWIIC BUTTON - GREEN LE	71
SEN-15440 SparkFun	ATMOSPHERIC SENSOR BREAKOUT - BM	112
4808 Adafruit	ADAFRUIT EMC2101 I2C PC FAN CONT	0
SEN0322 DFRobot	GRAVITY: I2C OXYGEN SENSOR	0
114991988 Seeed	POE HAT FOR ROCK PI 4	1
DFR0029-G DFRobot	GRAVITY: DIGITAL PUSH BUTTON (GR	4
BOOSTXL-ULPSENSE Texas Instruments	ULP SENSE BOOSTERPACK	0
MIKROE-1583 MikroElektronika	BOARD LDC1000 CLICK SHORTRANGE	3
107020001 Seeed	GROVE SPEAKER	27
AST1021 TinyCircuits	TEMPERATURE SENSOR WIRELING	17
MNK00062 Pimoroni	SENSOR FOR MICRO:BIT	6
DFR0440 DFRobot	VIBRATION MODULE	2
410-379 Digilent, Inc.	PMOD I2S2: STEREO AUDIO IN / OUT	73
PIS-1348 Pi Supply	RASPBERRY PI 1 WIRE I2C HAT	9

Evaluation Boards - Expansion Boards, Daughter Cards

1. Overview

Evaluation Boards (EVBs), Expansion Boards, and Daughter Cards are essential hardware tools for embedded system development, prototyping, and testing. These platforms enable engineers to assess processor capabilities, interface peripherals, and validate designs before mass production. Their modular architecture supports rapid innovation in IoT, automotive, industrial automation, and consumer electronics sectors.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Microcontroller EVBs	ARM/FPGA SoC integration, onboard sensors, debug interfaces	IoT edge devices, smart sensors
Expansion Boards	Standard interfaces (PCIe, USB-C), protocol converters	Industrial gateways, communication modules
Daughter Cards	Specialized functionality modules (ADC/DAC, RF transceivers)	Medical imaging equipment, test instruments
Programmer Kits	Flash programming, JTAG/SWD debugging, voltage monitoring	Automotive ECUs, aerospace controllers

3. Structure and Components

Typical architecture includes:

Multi-layer PCB with high-speed traces
Processor sockets or soldered-down SoCs
Standardized connectors (2.54mm headers, M.2)
Onboard memory (RAM, Flash storage)
Power management ICs and voltage regulators
Debug interfaces (SWD, JTAG, UART)

4. Key Technical Specifications

Parameter	Description
Clock Speed	Determines processing capability (1MHz-2GHz range)
Bus Width	Memory bandwidth (8/16/32-bit configurations)
Interface Support	USB 3.0, Ethernet, CAN, SPI/I2C compatibility
Power Consumption	Typical range: 0.5W-25W (varies with workload)
Operating Temperature	Industrial (-40 C to +85 C) or commercial grade

5. Application Areas

Major industries include:

Telecommunications (5G base stations, optical transceivers)
Medical equipment (MRI scanners, patient monitors)
Industrial automation (PLC controllers, robotics)
Consumer electronics (smart home devices, wearables)
Automotive (ADAS systems, V2X communication)

6. Leading Manufacturers and Products

Vendor	Product Series
Xilinx	Zynq UltraScale+ MPSoC Evaluation Kit
Intel	Stratix 10 GX FPGA Development Board
STMicroelectronics	STM32 Nucleo Expansion Boards
Texas Instruments	Processor DKx Daughter Cards

7. Selection Guidelines

Key considerations:

Match SoC architecture to target application requirements
Verify interface compatibility with existing systems
Evaluate available ecosystem (IDE support, middleware)
Consider power budget and thermal management needs
Assess long-term availability and RoHS compliance

8. Industry Trends

Future developments include:

Integration of AI accelerators (NPU modules)
Adoption of 5nm/3nm process technologies
Expansion of RISC-V based evaluation platforms
Increased focus on functional safety (ISO 26262 compliance)
Growing adoption of modular "Lego-style" prototyping systems