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Easy handling for complex applications: Prototyping platform Nordic Thingy:53™ at Rutronik
B
ased on Nordic’s nRF5340 Dual-Core Arm Cortex M-33 multiprotocol system-on-chip (SoC), Thingy:53 features the nPM1100 power management IC (PMIC), the nRF21540 front end module (FEM), and a power amplifier/low noise amplifier (PA/LNA). That allows embedded machine learning (ML) models to be run directly on the device. The prototyping platform is equipped with multiple motion and environmental sensors and a 1350 mAh Li-Poly battery. It supports Bluetooth LE, Thread, Matter, Zigbee, IEEE 802.15.4, NFC, and Bluetooth Mesh RF protocols. Rutronik supported Nordic in the realization of the product with specialized know-how in the fields of sensor technology, PoCs, and ML as well as interdisciplinary system competence. For example, Rutronik’s experts advised which components are best suitable. The result is an easily usable product for building advanced wireless proofs-of-concept and prototypes with ML capabilities. At
www.rutronik24.com the Thingy:53 and its individual parts are available for reproduction.
Thingy:53 is a multi-sensor prototyping platform with multi-protocol short-range wireless connectivity that provides reduced time-to-market for embedded applications with machine learning.
The integrated ML functionality enables developers to use the Thingy:53’s sensors in applications such as speech recognition or motion pattern identification. For example, the accelerometer and a microphone with Pulse Density Modulation wake the nRF5340 SoC from standby mode when triggered by motion or sound. By keeping the platform in sleep mode for as long as possible, power-saving ML
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applications can be realized. In addition, this efficient use extends battery life. Thingy:53 includes multiple sensors that measure temperature, humidity, air quality and pressure, as well as ambient light and colour. The platform also features a low- power accelerometer and a six-axis inertial measurement unit. A MEMS microphone and buzzer, as well as individually programmable buttons and RGB LEDs, complete the product.
High-quality components from Bosch SE, Rohm Semiconductor, Toshiba, and Murata, among others, are used. These are also available as separate components at
www.rutronik24.com.
Stable wireless connection The nRF5340 SoC has both a network processor and a dedicated application processor. By using dedicated compute resources, the processor enables a trouble-free, stable wireless connection. The 128 MHz Arm Cortex-M33 application processor ensures that the prototyping
platform can process complex machine learning computing tasks and complex algorithms. Sufficient memory provides a 1 MB flash and 512 kB RAM.
ML training and sensor data analysis in the cloud
Nordic’s nRF Edge Impulse app allows sensor data to be transferred via Bluetooth LE to the linked mobile device, uploaded to the cloud (Edge Impulse Studio account) for training, and trained ML models to be downloaded to the Thingy:53.
ABOUT RUTRONIK
Rutronik Elektronische Bauelemente GmbH was founded in 1973 and is an independent family-owned company. Thanks to the positive economic development over the past 45 years, the company is now one of the world’s leading broadline distributors. In the 2020 fiscal year, its more than 1,800 employees generated a turnover of 1.08 billion US-Dollar. Rutronik is represented worldwide with more than 80 offices and can guarantee comprehensive customer support including Europe, Asia, and the USA. The broad product portfolio includes semiconductors, passive and electromechanical components as well as embedded boards, storage & displays, and wireless products. The knowledge of all product areas is bundled in the RUTRONIK
AUTOMOTIVE, RUTRONIK EMBEDDED, RUTRONIK POWER, and RUTRONIK SMART divisions and both specific products and services tailored to the respective applications are offered. Competent technical support for product development and design-in right up to the research area, individual logistics & supply chain management solutions as well as comprehensive services complete the range of services. Customers also have access to the Rutronik24 e-commerce platform, where all articles can be found, as well as a procurement area and product change notifications.
Further information is available at:
www.rutronik.com
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