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42 EE|Times EUROPE — Boards & Solutions Insert

        Open-Source Platform for Industry 4.0


                                                                                magnetic-field, temperature, and audio sen-
                                                                                sors (Figure 5). It provides a wide dynamic
                                                                                range and an exceptional signal-to-noise
                                                                                ratio (SNR) for vibration analysis. In addi-
                                                                                tion, it enables noise-emission detection and
                                                                                current analysis in motors to avoid over-
                                                                                heating. SmartMesh communication enables
                                                                                low-power wireless communications. The
                                                                                board offers the ability to configure warning
                                                                                and alarm levels for each sensor. A compact
                                                                                form factor and CE and FCC certification
                                                                                round out the features.
                                                                                  At the heart of the system is an
                                                                                Analog Devices ADuCM4050 ultra-low-power
        Figure 8: The IM69D130 digital microphone (Image: Infineon Technologies)  Arm Cortex-M4F processor with integrated
                                                                                power management through SensorStrobe
                                                                                technology. The MCU also has a collection of
                                                                                digital peripherals, SRAM and built-in flash
                                                                                memory, and an analog subsystem that pro-
                                                                                vides clocking, reset, and power management
                                                                                capabilities. An analog-to-digital conversion
                                                                                (ADC) subsystem is provided with a 12-bit
                                                                                successive approximation register (SAR) ADC
                                                                                and a 1.8-Msps, eight-channel converter for
                                                                                data acquisition (Figure 6).
                                                                                  The Arm Cortex-M4F processor, with up to
                                                                                52-MHz performance and 512 KB of built-in
                                                                                flash with error correction code (ECC), offers
                                                                                an optional 4-KB cache for less active power
                                                                                and 128 KB of system SRAM with parity.          CO-CREATING
        Figure 9: SmartMesh network (Image: Analog Devices)                     The ADuCM4050 features cryptographic
                                                                                hardware that supports Advanced Encryption
                                                                                Standard (AES)-128 and AES-256 with Secure      THE FUTURE OF
                                                                                Hash Algorithm (SHA)-256 and the following
                                                                                modes: electronic code book (ECB), block
                                                                                encryption (CBC), counter (CTR), and block      THE IoT WORLD
                                                                                encryption (CCM/CCM).
                                                                                  The vibration sensor is an Analog Devices
                                                                                ADXL356 with a low-noise microelectro-
                                                                                mechanical system (MEMS) accelerometer
                                                                                (Figure 7). The IC offers excellent long-
                                                                                term stability from –40°C to 125°C. A Bosch
                                                                                BMM150 three-axis magnetic-field sensor               OPEN STANDARDS PLATFORMS
                                                                                provides absolute spatial orientation and
                                                                                motion vectors with high accuracy and                 FOR END TO END SOLUTIONS
                                                                                dynamics.
                                                                                  Infineon Technologies’ IM69D130 is a
                                                                                high-performance digital MEMS microphone
                                                                                that uses Infineon’s Dual Backplate MEMS
                                                                                technology to provide a dynamic range of
                                                                                105 dB and output linearity of up to 130        Advantech’s open standards based hardware and software platforms enable
                                                                                dBSPL (Figure 8). The results are crys-         you to construct scalable, agile and future proof IoT solutions, without ever
                                                                                tal-clear audio signals, extended reception     being locked into a single vendor.
                                                                                distance, and sensitivity to both soft and
                                                                                loud signals — from whispered speech to
                                                                                rock concerts.
                                                                                  The temperature sensor used in the             See how this works at advantech.eu/iotsolutions
                                                                                platform is Analog Devices’ ADT7410, with
                                                                                ±0.5°C accuracy and 16-bit resolution. It
                                                                                measures temperatures ranging from –55°C
                                                                                to 150°C.
                                                                                  The board offers data sharing and manage-
        Figure 10: Inside of the board with electronics on the left and SmartMesh antenna on the   ment through SmartMesh networks via the
        right (Image: EE Times Europe)                                          dongle and Analog Devices’ LTC5800. The

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