Autor: iot-es (página 139)

Introduction to LoRa LoRa is an ultra-long-distance, low-power IoT solution provided by Semtech. Semtech and many industry-leading companies, such as Cisco, IBM and Microchip, initiated the LoRa (Long Range, Wide Range) Alliance and are committed to promoting its alliance standard…

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…

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…

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…

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%…

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…

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…

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…

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…

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…