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①Passive crystal oscillator The passive crystal oscillator is a crystal, generally a 2-pin non-polar device (some passive crystal oscillators have non-polar fixed pins). Passive crystal oscillators generally GPRS Module require the help of a clock circuit formed by a load capacitor to generate an oscillating signal (sine wave signal). ②Active crystal oscillator Active crystal oscillators are […]

E32-433TBL-01 is a complete set of test products formed by the SMD serial port module combined with the USB to TTL serial port backplane for customer testing and development, which greatly reduces the customer’s testing and development difficulty. serial to wifi converter This manual describes how to use the test board. For more details, please refer […]

The module is in a dormant state. When an emergency occurs, it switches to mode 0, transmits an alarm signal, and returns to sleep after waiting for a response. Operation process: M1M0=11 (sleep) –> generate a sudden alarm event –> M1M0=00 –> wait for the rising edge of AUX –> send serial port data to […]

LoRa is a LPWAN communication technology, which is widely used in ultra-long-distance wireless transmission scenarios based on spread spectrum technology. Now, LoRa mainly works in free frequency bands such as 433, 868, and 915MHz around the world. Its biggest feature is high sensitivity, long transmission distance, low power consumption, and many network nodes. NB-IoT is […]

Industrial wireless sensor network products are system-level products, which include overall solutions including wireless sensors, data forwarding gateways, and monitoring hosts. Because of its low cost, large range, flexible layout, and mobile support, industrial wireless sensor network products have been widely used in mechanical parameter detection, industrial monitoring, smart power, mine safety, medical health, environmental monitoring and […]

With the continuous development and maturity of sensors, wireless data transmission equipment, and application solutions, it is also promoting the development of industrial applications, smart homes, smart security, smart transportation, smart environmental protection, and smart agriculture. , from traditional decentralized operation to industrialized scale development, from traditional agriculture to ecological agriculture, from mechanization to automation; […]

In the past 20 years, the real LoRa wirelss modem estate industry has experienced rapid development in the past 20 years. From the 7-story building in the early stage to the 100-meter-high building, if you want to ask what has contributed the most, it must be the tower crane. From the level of ten thousand feet […]

Bluetooth, a short-range wireless communication technology standard, first appeared to replace cables between devices and to solve the problem of incompatible mobile device data transmission. The “Bluetooth Special Interest Group” (Special Interest Group, SIG) established in 1998 is named to integrate the standards of major brands. SIG is the predecessor of the Bluetooth SIG. With […]

  In our circuit design, communication level conversion problems are often encountered, and it is necessary to judge the necessity of level conversion before applying level shifting measures. If you are using a 3.3V device as the output and a 5V device as the receiver, then this low level output will not damage the device, and most […]

  The intelligent lighting control indoor is the most typical and practical design concept of home intelligence in recent years. Intelligent light control can meet the needs, subtly set the brightness and color, and the environment changes intelligently to adjust the light. Therefore, it is energy-saving, convenient and comfortable compared to the traditional home light […]

Reliance to spin off oil-to-chemicals with US$25b loan An employee aligns a retractable belt with the Reliance logo at a Reliance Digital store in Mumbai on April 21, 2017. (INDRANIL MUKHERJEE / AFP) Reliance Industries Ltd has started carving out its new oil-to-chemicals operation into an independent unit with a US$25 billion loan from the […]

Qualcomm CEO Steve Mollenkopf speaks during the Business Roundtable CEO Innovation Summit in Washington, DC on Dec 6, 2018. (JIM WATSON / AFP) WASHINGTON – The possibilities with 5G are limitless and will be best realized when US and Chinese companies unite to drive innovation around the world to achieve great things, Qualcomm Chief Executive […]

While the rollout of 5G is in its nascent phase in most countries, many telecoms and service providers are talking about the development of the sixth generation (6G) of cellular standards for mobile communication. The transition is likely to take nearly a decade, but when implemented 6G is promised to reduce the latency from 1 […]

The industrial IoT (IIoT) has been growing steadily since the inception of linking multiple devices together through connectivity. According to Newark’s survey, about 30% of engineers responding said that IoT for manufacturing is the bedrock of productivity improvements and have already adopted the technology for their companies. Of all the areas where IoT is used, […]