HMA121R1V

introduction There are many types of adapters on the market that can charge lithium-ion batteries and provide power for mobile phone systems. At the same time, since China has implemented a unified...[Details]

introduction Liquid crystal display is a voltage-type non-active light-emitting display. Typical liquid crystal displays use the physical properties of dielectric anisotropy and refractive ind...[Details]

Introduction: Basic knowledge of AVR microcontroller learning and development: 1. Introduction to AVR development tools and establishment of development environment 2. Explanation of basic knowledge ...[Details]

       Yesterday, realme officially announced that the new realme GT2 series will hold a special event on December 20, and called it "a technological rebirth of a piece of paper, opening a new chapte...[Details]

China, June 22, 2021 – STMicroelectronics (ST), a global semiconductor leader serving multiple electronic applications, and the Politecnico di Milano, a university that trains engineers, architects a...[Details]

China Energy Storage Network: Openness and cooperation have become the keywords of State Grid Corporation of China in the past two years. Beijing Power Trading Center has introduced 10 invest...[Details]

　The intelligent controller circuit based on AT89C2051 is shown in the figure below. It is mainly composed of sensor unit, A\D conversion unit and controller unit. The AT89C2051 chip is used to proce...[Details]

Analog megohmmeter IR4000 series (single range) and 3490 (3 ranges). As for usage, we will now introduce some tips to make your actual measurement more convenient and simple. 　　(1) Did you know? T...[Details]

introduction Ultrasonic motor (USM) has many advantages, such as being able to directly output low-speed high torque, fast transient response (up to ms level), high positioning accuracy...[Details]

1. Instrument model: HIOKI 8842 waveform recorder 2. Instrument failure: repeated restarts 3. Fault detection: 1. Power on and restart repeatedly, 2. Open the case and observe the main power supp...[Details]

A study conducted by Juniper Research shows that the number of eSIM cards installed in devices will increase from 1.2 billion in 2021 to 3.4 billion in 2025, mainly due to devices from Apple and Goog...[Details]

Voltage type three-phase bridge inverter circuit In addition to the output waveform performance indicators, the performance indicators of the inverter should also include: Inverter efficiency Un...[Details]

　　In C language programs, you cannot use the entire array at once, you can only use a single array element. An array element is equivalent to a variable, and the method of using an array element is th...[Details]

　　The oscilloscope probe is crucial to the accuracy and correctness of the measurement results. It is an electronic component that connects the circuit under test to the input of the oscilloscope. Th...[Details]

Temperature probes and temperature sensors are two different devices that have their own characteristics and application scenarios in measuring temperature. This article will introduce the differen...[Details]