[introduction]Intelligence is lived in (Smart Home) it is to point to through advanced IT, make domestic equipment and each other of systematic implementation interconnection are connected, the lifestyle of a kind of household of the convenience sex that improves household life, security, energy-saving sex and comfortable sex, had become current one of the most popular application, the low power comsumption that is used at having facility interconnection among them is wireless join technology, become intelligence to live in applied key. The article will introduce current low power comsumption for you the development of wireless join technology, and the relevant solution that rolls out by Nordic place.

Intelligence is lived in (Smart Home) it is to point to through advanced IT, make domestic equipment and each other of systematic implementation interconnection are connected, the lifestyle of a kind of household of the convenience sex that improves household life, security, energy-saving sex and comfortable sex, had become current one of the most popular application, the low power comsumption that is used at having facility interconnection among them is wireless join technology, become intelligence to live in applied key. The article will introduce current low power comsumption for you the development of wireless join technology, and the relevant solution that rolls out by Nordic place.

Series connection of wireless join technology removes low power comsumption intelligent equipment

Intelligence lives in a system normally by all sorts of sensor, carry out implement, network equipment and intelligent controller composition, pass Internet join, realize the communication between equipment and long-range control. Common intelligent household application includes security of intelligent lighting system, intelligence control of home appliance of system, intelligence, intelligence is lukewarm accuse acoustics of assistant of system, speech and intelligence, intelligence kitchen of the entertainment of family of curtain and window, intelligence, healthy system that monitor, intelligence.

These intelligent equipment need to use low power comsumption normally wireless join technology will rise its series connection, the communication that facilitates in order to come true and interrelate, at present main intelligence lives in wireless join agreement to include low power comsumption of Matter, Thread, blue tooth (Bluetooth LE) , IoT of Wi-Fi, Zigbee, beehive and NR+ , these wireless join technologies have its character each, in order to apply to all sorts of diverse application demand. Will be your brief introduction below the development of a few kinds of main wireless join techniques and functional character.

Matter

Matter offerred what compose proposes application to share a base, its target is the sex of each other operation between implementation equipment and ecosystem, aim to let develop personnel to found the solution of on the safe side easily. Matter is the CHIP that started in December 2019 at first (Connected Home Over IP) project. The company that start includes the Yamaxun, apple, other company such as Gu Ge and Nordic, its target is with respect to the unified application of domestic interconnection equipment layer standard is reached consistent.

Matter solution aux will be able to lives in ecosystem with main intelligence quite (for example the Alexa of the Assistant of malic Siri, Gu Ge and Yamaxun) each other operation, matter uses Thread, Wi-Fi and aether net to undertake transmission, use blue tooth low power comsumption to undertake debugging. All Matter equipment that are based on Thread need to have function of blue tooth low power comsumption at the same time, so that can add new facility to the network.

Wi-Fi

Wi-Fi (Wireless Fidelity) it is technology of a kind of wireless communication, use at undertaking between equipment data is transmitted, wi-Fi technology makes the wired join means that equipment need not use a convention, can undertake correspond and receiving Internet repeatedly through wireless signal, it is technology of a application is the at present widest kind of wireless communication.

Wi-Fi is allied (Wi-Fi Alliance) made a series of Wi-Fi standard, be like 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac and 802.11ax (Wi-Fi 6) , every standard introduced new technology, improved speed, dependability and performance. The Wi-Fi 6 of new edition is fast to those need, reliable with high capacity wireless connective applies particularly advantageous. In addition, resembling is intelligent constant temperature implement, safety is photographed live in equipment like the intelligence such as head and lighting system, OK also the range that Wi-Fi 6 of benefit from benefit from improves and cover range, and the ability that supports more equipment on single network and the communication that are based on IP.

Blue tooth low power comsumption

Blue tooth low power comsumption (Bluetooth Low Energy, BLE) the mutation that is technology of a kind of blue tooth, special design is used at stone’s throw communication is being provided below environment of low power comsumption. Technology of blue tooth low power comsumption most one of character that showing are his design of low power comsumption, apply to the facility that need runs for long, like sensor, can apparel equipment and healthy monitor.

The design of blue tooth low power comsumption is to provide stone’s throw communication mainly, arrive in 10 meters normally inside 100 meters limits, this conduces to prevent needless energy to use up. Blue tooth low power comsumption is become by the design link is established inside short time, transmit a few data quickly. This is applied to little file is shared between mobile equipment, or the setting that transmits data between sensor and mobile equipment.

Thread

Thread is a kind of low power comsumption, IPv6 (Internet Protocol Version 6) wireless communication agreement of the foundation, it is content couplet net only (IoT) design. Thread is designed to be agreement of a kind of low power comsumption, apply to join the setting of equipment of many low power comsumption. It passes the dormancy that uses low power comsumption mode, fast wake up and the power comsumption that agile number drops device according to transmitting a mechanism.

Thread supports from group net, equipment can be below the circumstance that does not have central controller automatic composition network. This makes of the network patulous become more easy, new facility can be joined easily and share a network. Thread is to build on IPv6, supply the address with only whole world for equipment, this makes equipment can correspond with Internet directly, support carries the communication kind of end.

Zigbee

Zigbee is one kind is low power comsumption, low data to transmit the wireless communication agreement that rate and stone’s throw communication design only, apply to the facility of batteries power supply that need runs for long, for instance sensor, intelligence lives in equipment to wait. One of design targets of Zigbee are to provide stone’s throw communication, be in normally 10 arrive inside 100 meters of limits, this makes it special apply to the near field communication between equipment, if intelligent household, industry is controlled,wait for a domain.

Zigbee supports from group net, equipment can be joined dynamicly and leave a network, and need not central controller. This makes a network OK get used to change oneself, and have certain flexibility. The data of Zigbee is transmitted rate is relatively inferior, apply to the transmission of the sensor data, grain data such as control command, conduce to reduce power comsumption.

Net of beehive content couplet (LTE-M and NB-IoT)

In evaluate the content couplet net that fits you most (IoT) wide area newwork of low power comsumption (LPWAN) when the technology, all sorts of factors besides consideration technology standards are crucial, technical standards itself may be put in very big difference with real property. These are nets of beehive content couplet (include NB-IoT and LTE-M) a few crucial reasons of the project of content couplet net that fits you more than LoRaWAN, Sigfox, Wi-SUN or other LPWAN.

The accredit frequency that net of beehive content couplet is using infrastructure of existing whole world paragraph in move, although they need subscription fee, but they assured to cover range extensively, but expansibility, inside the service quality of buy, dependability and true-blue security. The development of NB-IoT and LTE-M technology is to realize application of communication of type of low power comsumption, large-scale machine.

Net of revolutionary buttress couplet of much agreement SoC applies

Nordic offers combination of wide-ranging product of SoC of wireless much agreement, among them revolutionary compact model exceed SoC of much agreement of low power comsumption (systematic level chip) NRF54H20, have remarkable processing ability, many memory and outstanding efficiency, and brand-new much agreement radio and the most advanced safe function, will make develop personnel can the product of content couplet network that compose builds innovation.

NRF54H20 can reduce design size, with height compositive SoC replaces many yuan of parts of an apparatus, can prolong battery life or reduce batteries size, support is efficient processing, exceed radio of low power comsumption and electric current of the smallest Morpheus. NRF54H20 support is remote transmit, have low power comsumption of power of 10 DBm TX, blue tooth – sensitivity of 100 DBm RX and of 802.15.4 – 104 DBm. NRF54H20 can be on guard safe menace, start through safety, newer, safe memory and defence physics atttack safe firmware, provide the most advanced security.

NRF54L15 is SoC of generation much agreement, it is one exceeds 5.4 SoC of blue tooth of low power comsumption, have brand-new much agreement radio and advanced safe function. NRF54L series has remarkable processing ability and efficiency, patulous memory and new peripheral, all these are used more compact enclose.

SoC of admiral of blue tooth low power comsumption satisfies net of complex matter couplet to use requirement

Besides afore-mentioned NRF54H20 and NRF54L15 SoC, nordic still rolls out NRF5340 SoC of admiral of low power comsumption of a blue tooth, it is first SoC in NRF53 series, be also global head money deploys two Arm? Cortex? – the wireless SoC of M33 processor, the combination of two agile processor and advanced function collect, make its become low power comsumption frequency, advanced can apparel equipment, with couplet of other and complex matter the ideal of net application chooses.

NRF5340 is an unifinication SoC, include the most outstanding NRF52? Of series function exceed volume. Blue tooth? 5.4, the function such as the high speed SPI, QSPI, USB, job temperature that is as high as 105 ℃ , mix with higher performance, memory compositive spend photograph couple, at the same time utmost ground reduces electric current to use up. It still provides safe function, carry out authoritatively for example, memory of close key of trustful root and safety.

In addition, nordic still has NRF52 series, NRF52 series is comprised by 5.4 SoC of blue tooth of 7 many agreements, compositive powerful and efficient 64 MHz Arm Cortex-M4 CPU, its Shan Cunfan is surrounded come for 192 KB 1024 KB, and RAM limits comes for 24 KB 256 KB. NRF52 series offers the option with the option with simpler, efficient economy and advanced height, and be had entirely exceed low power comsumption.

NRF52 and NRF53 series are to be based on show the SoC that put completely, shine put the product that can be you to bring complete flexibility and can upgrade quality. They can be in a factory or the spot upgrades through wireless equipment firmware (OTA DFU) new process designing, can undertake the product is added newlier with the function at any time and place so.

The wide area newwork of low power comsumption that Nordic applies in the light of IoT (LPWAN) technology, still rolled out NRF91 series, through be in level of miniature 10x16mm system is enclosed (SiP) (apply to NRF9160 SiP and NRF9161 SiP) , 11x12mm (apply to NRF9151 SiP) with 7x11mm (apply to NRF9131 to confuse your SiP) in, make the complete communication that includes all and relevant parts of an apparatus or appliance and applied module, achieved unprecedented compositive level, can come true have cost effectiveness and compact design, competitive solution cannot realize this, for example weight only the solar energy animal of 2.5 grams is tracked implement.

Offer cooperate with thoroughly IC and bag of software development tool

Besides much agreement SoC, nordic still is rolled out in coordination IC and bag of software development tool, develop rate in order to accelerate the client’s product. Resembling is NRF7002 it is a low power comsumption, high security, cooperate with without the Wi-Fi 6 that seams coexistence IC, offer without seam Wi-Fi join and the fixed position that are based on Wi-Fi (line of collect of this locality Wi-Fi implement SSID smell explore) . Does it aim to show some NRF52 with Nordic? With NRF53? SoC of series blue tooth, and NRF91? SiP of net of couplet of series beehive content is used together, NRF7002 is OK still with equipment of blame Nordic mainframe union is used.

NRF7001 is Wi-Fi of Nordic NRF70 series cooperates with the 2nd parts of an apparatus in IC, it can show some to exceed technology of low power comsumption to be united in wedlock easily with Nordic, have radio of 2.4 GHz of low power comsumption, can ensure prolong battery life, can not have in all sorts of application seam join of implementation Wi-Fi 6. Additionally still NRF7000 Wi-Fi 6 cooperates with IC, NRF7000 is the compact version of NRF7002, use technically at be based on the Wi-Fi fixed position of SSID. Should cooperate with what IC basically pays close attention to Wi-Fi to receive a point is active with passive scanning, offer to be based on positional application reliable and energy-saving solution.

Nordic also is rolled out use at compose to build net of couplet of content of blue tooth low power comsumption, Wi-Fi, beehive, blue tooth the software development kit of meshy network, Thread, Zigbee and Matter product NRF Connect SDK, this is one can expand and unified software development kit, use at compose to build be based on all Nordic NRF52, NRF53, NRF70 and NRF91 series the product of wireless parts of an apparatus. It provided a framework that can expand to develop personnel, build the software that dimension optimizes with the equipment compose that is restricted at be memory to suffer, build powerful and sophisticated software for more advanced equipment and applied form. It is compositive Zephyr RTOS and driver of inn of all sorts of give typical examples, applied agreement, agreement, library and hardware, with shortening the client’s product develops time.

Epilogue

Intelligent household can improve people life quality, the intelligence that promotes household changes a standard, had become current and popular application to develop way. Want to ensure of intelligent equipment and system mix reliably safe, the wireless communication technology that needs to choose stable, safety will string an all intelligence to live in equipment. The range of products of much agreement SoC that Nordic place rolls out, can simplify considerably the design of intelligent household product, promote systematic stability and security, will be the best partner that you develop intelligence to live in relevant product.

Article origin: Ai Rui electron

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