This article is one of the series in the “RISC-V CPU Design” column. Note: This article is excerpted from the first domestic book that systematically introduces CPU and RISC-V design, titled “Hands-on Guide to CPU Design: RISC-V Processor Edition” by “Silicon Farmer Alexander” (expected to be released in March-April 2018). The phrase “dynamic as a … Read more
Introduction In low-power applications, it is sometimes necessary to put the MCU into STOP mode to save power. In some chip architectures, to achieve this, the serial port pins are often configured as general I/O pins with external interrupt mode before entering low-power mode. While this can achieve the desired effect, it inevitably leads to … Read more
Wireless communication is becoming increasingly important in industrial automation and the Internet of Things (IoT). Today, we will discuss ZigBee wireless communication technology based on microcontrollers. ZigBee acts like a low-power “wireless relay station,” making it particularly suitable for sensor data collection and remote control applications. 1. What is ZigBee? ZigBee can be understood as … Read more
Renesas Electronics has launched its latest innovative product, the DA14533—a groundbreaking automotive-grade Bluetooth Low Energy (LE) System on Chip (SoC) designed to enhance wireless connectivity in automotive and industrial applications. This advanced chip is suitable for a variety of uses, including tire pressure monitoring, keyless entry systems, wireless sensors, and battery management solutions. The DA14533 … Read more
Achieving the “Internet of Everything” is the ultimate goal of the entire IoT industry. According to IoT Analytic statistics, the number of active IoT terminals worldwide is expected to grow to 27 billion by 2025, but there is still a significant gap from the industry-expectation of a trillion-level market. With the deep expansion of IoT … Read more
Image Source:pixabay.com/ Source:IoT Home (iothome.com) Reprint with source acknowledgment! What is LoRaWAN? What does LoRaWAN stand for? LoRaWAN stands for “Long Range Wide Area Network.” It is a communication protocol based on the LoRa technology. The LoRaWAN network architecture is deployed in a star topology, with its main elements being (1) battery-powered sensor devices (end … Read more
LoRaWAN network architecture diagram End Nodes In the above LoRaWAN network architecture diagram, the end nodes are on the far left, asynchronously broadcasting data packets to the network. Following the Aloha network specification, it ensures that terminal devices can remain in idle mode most of the time, consuming less than 1uA. This method ensures that … Read more
This week, I will introduce you to a beautiful e-paper clock that also functions as a weather station (can automatically set via GPS). It can run for about 6 months on 4 AAA batteries, and to ensure safety and reliability, it does not require any network connection. Features include: Automatic setting (via GPS) Current temperature. … Read more
On July 12, 2018, this public account discussed LoRa technology and mentioned that in today’s internet era, new technologies are emerging one after another!Zigbee is also a product of the network era, representing a new wireless communication technology, whose technical characteristics can be summarized as “one close and four lows”—a bidirectional wireless communication technology, specifically … Read more
This article is the content of IC Coffee Classroom 001 | IoT Group Micro Classroom’s fourteenth sharing session. This time, we invited Mr. Zhang Min, Chairman of Yongmin Technology, to share about Zigbee technology and smart home. Zigbee Technology and Features Hello everyone, I would like to first share with you about “Zigbee technology and … Read more