Автор: iot-en (page 120)

1 Overview of Internet of Things 1.1 Definition of Internet of Things The Internet of Things (IoT) is an information carrier such as the Internet and traditional telecommunications networks, which allows all ordinary objects that can perform independent functions to…

1 channel analog collector Our company currently (2020-11-18) has a total of 3 1-channel analog collector products, which can be used in industries such as remote meter reading, intelligent street light supervision, smart fire protection, and automatic monitoring of water…

Introduction: In order to fully meet people’s growing material needs, smart water meters have gradually replaced non-smart water meters. In the application process of smart water meters, the RS485 bus is widely used. The bus structure is simple to apply…

Foreword: In order to effectively extend the data transmission distance and solve the problems of electromagnetic radiation, electromagnetic interference prevention, non-common ground between point-to-point devices, lightning strike resistance and channel resource sharing when transmitting data through cables, the multi-protocol serial…

Introduction to rs232 to 4G equipment ZHC4012, developed and produced by Zongheng Intelligent Control, referred to as 4G DTU, provides one RS232 and one RS485 interface, and the network is 4G full Netcom. RS232 serial port data can be converted…

Recently, Tiobe released the November 2020 programming language rankings. The ranking shows that Python surpassed Java for the first time and became the second most popular programming language. In the nearly 20-year history of the Tiobe Index, C and Java…

In May of this year, ARM officially announced the latest generation of mobile processor architecture Cortex-A78, as well as GPU Mali-G78, NPU Ehos N78, etc. Among them, Cortex-A78 supports Big and Little hybrid devices such as 4 large cores and…

There is no fastest, just faster. WIFI6 has just become popular, and WIFI7 is here. Following the launch of WIFI6 (802.11ax), the new standard 802.11be (Extremely High Throughput) was proposed. By analogy, the WIFI Alliance will name the 802.11be standard…

As we all know, in the chip field, Intel is the king in the PC field. Now more than 90% of PC chips use the X86 architecture. In the mobile field, ARM is the king, and now more than 90%…

background: The 35kV Weishan substation is a box-type integrated substation. The 35kV and 10kV equipment protection devices and remote control device WYD-801 are installed in the box transformer. The communication equipment room of the substation is equipped with communication equipment…

Background introduction In control systems with more complex functions, the host computer is an industrial computer and the slave computer is a single-chip microcomputer. In these applications, the single-chip computer faces the bottom layer of the controlled object, and further…

Foreword: In order to solve the problem of diversification and complexity of analog quantity collection in engineering vehicles, a configurable analog quantity acquisition module is designed. This module is used in a universal vehicle controller based on Freescale’s 32-bit microprocessor…