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STMicroelectronics Presents LoRa SoC for Smart Farming

STMicroelectronics has declared a design win for STM32WLE5, the world’s first LoRa System-on-Chip (SoC), used in rubber tapping system.

STThe customer application, developed by automated rubber-tapping specialist CIHEVEA, uses low-power networking to revolutionize the automation of extracting latex from rubber trees.

“The fully automatic, intelligent, rubber-tapping system is a revolution for the rubber industry. With the increased use of platform technology and the ability to communicate via the low-power LoRa network technology provided by the STM32WLE5, the smart rubber-plantation platform system is creating a new rubber-plantation ecosystem, moving away from traditional high-intensity, heavy-pollution, inefficient, production methods and is ushering in a new era of green environmental-protection, high-efficiency, digital transformation,” said XU Zhen Kun, Vice Chairman of CIHEVEA.

“While rubber trees are a sustainable source of an important material widely used in industrial, transport, and agriculture sectors, improving rubber-tapping efficiency, and increasing latex yield has long been a goal of rubber producers and using the STM32WL5 and its LoRa networking is a natural fit,” said Arnaud Julienne, Vice President, Microcontrollers and Digital ICs Group, AI/ IoT competence center and Digital Marketing, Asia Pacific Region, STMicroelectronics. “Moreover, our unique and broad portfolio of products and solutions in connectivity, sensing, and a large portfolio of power-management and motor-control solutions is well suited to the full range of smart farming domains, including tracking, irrigation systems, tractors, and livestock position and health monitoring.

CIHEVEA has equipped more than 200,000 rubber trees within its Hainan rubber-tree plantation with its innovative solution to improve rubber-tapping productivity and output capacity.

The ST LoRa SoC acts as a highly efficient, low-power communication hub and control center for the Rubber Tapping Robot from CIHEVEA. The robot also includes two precision motors and a series of environmental sensors that monitor weather conditions, including temperature, air pressure, and humidity.

Clamped to the tree, the STM32WLE5 transmits the sensors’ data to a mesh gateway via a dedicated LoRa application network server, where the server can monitor, test and debug, and coordinate the robots in the field.

Once all pre-set conditions are met, the SoC triggers the rubber tapping motors to perform autonomous cutting, which usually happens very early in the morning.

Leveraging the cost-effective, high-efficiency STM32WLE5 and LoRa networking, CIHEVEA’s novel solution increases latex yield by 2-3x while minimizing damage to trees, prolonging the trees’ productive lifespan.

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Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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