A New Era of Connectivity and Intelligence
Dive into IoT board advancements. Breakthroughs in miniaturization, processing power, security, and energy efficiency are transforming design and deployment strategies, revolutionizing the IoT landscape.
The pace of change in the Internet of Things (IoT) space has always been dynamic outpacing most predictions. For those of you who’ve seen the evolution from 8-bit microcontrollers to today’s sophisticated system-on-chips (SoCs), the advancements in IoT boards are particularly striking. They have moved beyond the simple sensor-to-cloud paradigm, entering an era of sophisticated edge processing, demanding new levels of integration and performance.
One of the most significant trends is the convergence of technologies. No longer are we dealing with isolated components. Today’s IoT boards seamlessly integrate multiple wireless protocols—Wi-Fi, Bluetooth, LoRaWAN, cellular—often on a single chip. This simplifies design, reduces board space, and lowers power consumption, all critical concerns for battery-powered applications. This integration isn’t just about connectivity; it extends to processing capabilities as well.
The rise of AI at the edge is fundamentally altering the design considerations for IoT boards. Powerful, low-power processors with dedicated hardware accelerators for machine learning are becoming increasingly common. This allows for real-time data analysis and decision-making directly on the device, reducing latency and dependency on cloud services. We’re no longer just collecting data; we’re processing it intelligently, enabling sophisticated applications like predictive maintenance, anomaly detection, and autonomous operation.
Security, always a paramount concern, is being addressed with more sophisticated hardware-based security features. Secure boot, trusted execution environments, and hardware-level encryption are becoming standard features, mitigating the risks associated with deploying devices in potentially hostile environments. This isn’t just about protecting data; it’s about ensuring the integrity and reliability of the entire system.
Power efficiency continues to be a major driver of innovation. Advances in low-power processors, energy-harvesting techniques, and efficient power management ICs are extending the operational life of battery-powered IoT devices. This is crucial for applications deployed in remote locations or where battery replacement is difficult or impractical.
Edge IoT connectivity is revolutionizing remote deployments. Reliable, low-power wide-area networks (LPWANs) such as LoRaWAN and NB-IoT are enabling communication in previously inaccessible locations. This opens up exciting possibilities for environmental monitoring, smart agriculture, and industrial automation in remote and challenging environments. The focus is shifting toward robust, resilient designs capable of operating reliably under harsh conditions with minimal maintenance.
The design process itself is also undergoing a transformation. The availability of comprehensive software development kits (SDKs), cloud-based development platforms, and pre-certified modules is accelerating development cycles and reducing time to market. This allows engineers to focus on the unique aspects of their applications rather than getting bogged down in low-level details.
Ingenuity and a relentless pursuit of innovation within the field have driven the evolution of IoT boards. This convergence of connectivity, processing power, security, and power efficiency is creating a new generation of intelligent, connected devices poised to transform industries and shape our future. The challenges remain—managing complexity, ensuring security, and optimizing for power—but the tools and technologies at our disposal are more powerful than ever before.
Rugged Small Form
COM-HPC-mMTL from AdLink sets a new standard for miniaturized, high-performance embedded computing. Its small form factor is coupled with high bandwidth and power efficiency, making it ideal for space-constrained applications demanding significant processing power. Key distinctions include support for high-performance CPUs and GPUs, advanced interfaces like PCIe Gen 5, and robust thermal management. Designed for demanding applications such as AI at the edge, industrial automation, and high-performance computing in small form factors. The standard’s focus on scalability and interoperability ensures flexibility in system design and component selection.
- Intel Core Ultra Processor
- Up to 14 CPU cores (6 P-cores, 8 E-cores and 2 LP E-cores)
- 8 Xe GPU cores for enhanced graphics
- NPU Built-in Neural Processing Unit for AI and machine learning tasks
- Memory Supports up to 64GB LPDDR5x memory
- PCIe Lanes: Up to 16 PCIe Gen 5 lanes for fast data transfer and connectivity
- Ethernet: Dual 2.5GbE Ethernet ports for high-speed networking
- Power Input: Single power rail input with a voltage range of 8V to 20V
- Power Consumption: Delivers up to 107W of power
- Storage Interfaces: Supports multiple SATA and USB4/USB3/2.0 interfaces
- Advanced thermal management
- Wide operating temperature range
Global Networking
The Digi XBee3 Global LTE Cat 4 module stands out for its robust performance and global connectivity in a compact form factor. With wideband LTE Cat 4 support, enabling high-speed data transmission across various global networks. Its integrated GPS functionality simplifies location tracking, while its secure design and multiple interface options enhance application versatility. The module’s ease of integration with existing XBee ecosystems and its low power consumption make it a cost-effective solution for various IoT applications. Its rugged design ensures reliable operation in challenging environments.
- Supports LTE Cat 4 with download speeds up to 150Mbps
- Operates on various global LTE bands including Band 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41
- Integrated GPS receiver for location tracking with accuracy up to 5 meters
- UART, SPI, and I2C interfaces
- Secure boot and encryption
- Low power consumption, typically drawing less than 1.5A at peak
- Measures approximately 25mm x 30mm x 5mm
- XBee Ecosystem Integration
- Built to withstand harsh environments with operating temperatures ranging from -40°C to 85°C
- Wideband LTE Support
- High-Speed Data Transmission
- Integrated GPS functionality
- Enhanced security features
Precise Data Collection
The XENSIV Sensor Shield by Infineon Technologies is a versatile platform designed for rapid prototyping and development of sensor-based applications. It features a range of advanced sensors, including a 60GHz radar for motion detection, a 5V CO2 sensor utilizing photoacoustic spectroscopy, and various environmental sensors for temperature, humidity, and pressure. This shield stands out for its compatibility with Arduino platforms, making it easy for engineers to integrate and test multiple sensor functionalities in a compact form factor, enhancing the development of IoT and smart applications.
- 60GHz radar for precise motion detection
- 5V CO2 sensor based on photoacoustic spectroscopy
- Integrated temperature sensor
- Humidity sensor with high sensitivity and accuracy
- 3-axis magnetometer sensor
- Pressure sensor
- MEMS microphones for sound detection and analysis
- IMU accelerometer for motion tracking
- TFT display
- Compatible with Arduino platforms
- Compact design
- Low power consumption
- Supports various communication interfaces including I2C and SPI
- Operating temperature range from -40°C to 85°C for harsh environments
- High signal-to-noise ratio
Rapid Prototyping
The Nordic Thingy:91 X is a versatile IoT prototyping platform designed for seamless global connectivity. It supports LTE-M, NB-IoT, and Wi-Fi, making it ideal for a wide range of applications. Key features include an integrated nRF5340 system-on-chip (SoC), various environmental sensors, and a rechargeable Li-Po battery. Its compact design and low power consumption make it perfect for battery-operated devices. The platform is user-friendly, facilitating rapid development and prototyping, which is essential for engineers looking to innovate in IoT solutions.
- Supports LTE-M and NB-IoT for global cellular connectivity
- Integrated dual-band 2.4/5GHz Wi-Fi
- Powered by the nRF5340 SoC
- One dual-band antenna
- Rechargeable Li-Po battery with a capacity of 1350mAh
- Nano/4FF SIM card slot supporting (e)SIM with 10 MB preloaded data
- User-programmable buttons and LEDs
- Integrated 6-axis IMU with gyroscope for precise motion tracking
- Low-power 3-axis accelerometer
- Multiple sensors for measuring temperature, humidity, and pressure
- USB Interface
- Preloaded SIMs
- Compact form factor
- Optimized for low power consumption
- Comprehensive software support for rapid development and prototyping
- High signal-to-noise ratio for reliable data transmission
AI Performance
The Jetson Orin Nano is a powerful AI computing platform designed for edge applications by NVIDIA. Delivering up to 40 TOPS of AI performance in a compact form factor. It features a 6-core ARM Cortex-A78AE CPU and an NVIDIA Ampere GPU, optimized for energy efficiency and high-speed processing. With support for various AI frameworks and extensive software tools, it enables engineers to develop advanced robotics, computer vision, and deep learning applications efficiently. Its low power consumption and robust design make it ideal for deployment in diverse environments.
- Delivers up to 40 TOPS of AI performance
- 6-core ARM Cortex-A78AE processor
- NVIDIA Ampere architecture optimized for AI workloads
- 8GB of high-speed LPDDR5 RAM for
- microSD card for expandable storage
- Operates between 7W and 15W
- Gigabit Ethernet port for high-speed network access
- 40-pin expansion header for additional peripherals
- USB-C port for data transfer and power supply
- Supports HDMI for display connectivity
- MIPI CSI-2 interface for cameras
- Runs on NVIDIA Jetson Linux
- Comprehensive software stack including TensorRT and CUDA
- Integrated thermal management
- Hardware-based security
Innovative Connectivity
The RB3 Gen 2 Developer Kit from Qualcomm is a cutting-edge platform designed for IoT and AI applications, offering enhanced performance and connectivity. It features the Qualcomm Kryo 670 CPU and a Hexagon processor with a fused AI accelerator, enabling real-time processing for advanced applications like smart cameras and autonomous systems. With support for Wi-Fi 6E, 5G, and various I/O interfaces, this kit is ideal for developers looking to create innovative, connected devices with high-speed data handling and low latency.
- 2x Cortex-A78 at 2.1GHz and 4x Cortex-A55 at 1.8GHz
- Adreno A642L at 315MHz
- 2x HVX cores with ~3.5 INT8 TOPS
- 8GB LPDDR4x RAM
- Supports microSD
- Multi-gigabit Wi-Fi 6E with speeds up to 3.6Gbps
- Supports 5G for high-speed mobile
- Integrated Bluetooth 5.2 for short-range communication
- Advanced ISPs for single or multiple camera setups
- Supports FHD+ at 120Hz for high-resolution displays
- High-quality audio processing
- Multiple standard expansion connectors
- Efficient power consumption
- Modular design based on the 96 Board compact specifications
- Comprehensive software support for rapid prototyping
- Hardware-based security
- Integrated cooling solutions
Efficient Complexity
The STM32WBA6 is a versatile wireless microcontroller designed for IoT applications, featuring a powerful ARM Cortex-M33 core. It supports multiple wireless protocols, including Bluetooth Low Energy (BLE) and Zigbee, making it ideal for smart devices such as wearables and home automation systems. With up to 2MB of flash memory and 512KB of RAM, it can handle complex applications efficiently. Its low power consumption ensures long battery life.
- ARM Cortex-M33 efficient processing
- Up to 2MB flash memory
- Up to 512KB RAM
- Supports Bluetooth LE, Zigbee, Thread, and Matter Wireless Protocols
- Operates at 2.4GHz radio frequency
- Low power consumption
- USB OTG support
- Hardware-based security
- Multiple GPIOs for peripheral connections
- Integrated analog-to-digital converter for sensor interfacing
- Multiple timers for precise control
- Pulse-width modulation support for motor control
- Direct memory access
- Operating temperature from -40°C to +105°C
- Available in compact packages
- Comprehensive software libraries for rapid prototyping
Integrated Wi-Fi 6
The CC3301MOD SimpleLink is a highly integrated Wi-Fi 6 and Bluetooth Low Energy (BLE) module designed for embedded applications from Texas Instruments. It offers robust connectivity with low power consumption, making it ideal for IoT devices. The module supports advanced features such as secure connectivity and is compatible with various host processors, enabling seamless integration into diverse applications. It’s an affordable and reliable choice.
- Supports Wi-Fi 6 (802.11ax)
- Bluetooth Low Energy 5.4
- Companion module for any processor or MCU host capable of running a TCP/IP stack
- Optimized for low power usage
- Supports advanced security protocols for secure data transmission
- Integrated antenna options
- Operates at 3.0V to 3.6V for versatile power supply options
- Designed to operate in temperature range from -40°C to +85°C
- Includes 512KB of RAM for efficient data handling
- Up to 4MB of flash memory
- Multiple GPIOs for connecting various peripherals
- Comprehensive software development kit for rapid prototyping
- Compact design
- Supports data rates up to 1.2Gbps
- Complies with regulatory standards for wireless communication
- SPI and UART interfaces
Secure and Rugged
The XPedite7770 3U VPX is a high-performance embedded single board computer from X-ES. Based on the Intel Xeon D-1700 Processor. It features up to 48GB of DDR4 ECC memory and offers advanced networking capabilities with 100-Gigabit Ethernet support. Designed for rugged environments, it incorporates SecureCOTS technology for enhanced security. This module is ideal for demanding applications in military and aerospace sectors, providing robust processing power and extensive I/O options for versatile deployment in edge computing scenarios.
- Intel Xeon D-1700 series
- Up to 48GB of DDR4 ECC SDRAM in three channels
- Up to 32GB of onboard SLC NAND flash
- Supports 100GBASE-KR4, 10GBASE-KR, and 10/100/1000BASE-T
- Multiple USB 2.0 and serial ports
- 3U VPX compliant for rugged applications
- Designed for extreme temperature ranges
- Supports a wide range of input voltages for flexibility
- Incorporates SecureCOTS
- Multiple PCIe lanes
- Advanced thermal management
- Compact design suitable for space-constrained applications
- Integrated debugging features
- Meets military and aerospace standards
- Advanced networking capabilities
PUBLISHED IN CIRCUIT CELLAR MAGAZINE • MAY 2024 #418 – Get a PDF of the issue
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