Question 1: Why do we often choose 65K or 100K (near these frequency bands) as the switching frequency for the flyback power supply that we use most in low-power applications? What are the reasons for...
Gui-guider is a new GUI designer for Littlevgl released by NXP last month, the version is littlevgl 7.0. This designer is really timely and convenient, saving the tedious steps of frequent interface d...
There are all kinds of projects hidden in the Tektronix Black Technology Lab. For these top-secret projects, we only know their code names at present. Do you have the courage to break into the Tektron...
Q: Varistor specificationsVaristors are non-linear, bidirectional, voltage-dependent protection devices with relatively high transient current and energy ratings (reaction times in the nanosecond to m...
[Image Recognition ClassificationMotion DetectionAnalog Signal Processing System Based on Raspberry Pi 400 Sixth Post - Supplement] USB Communication between Raspberry Pi 400 and STM32This code is mai...
Tsinghua University Altera FPGA Engineer Growth Handbook : https://training.eeworld.com.cn/course/6070At present, with the emergence of high-performance FPGA, FPGA is almost omnipotent in the design o...
Recently, the news about Apple's Mac switching to ARM processors has spread like wildfire. Many people expect Apple to migrate to its own processors in its Mac lineup. As clarity on the ARM transitio...[Details]
These three chips have many functions, and we have basically introduced them here. Only AD and WDT have not been introduced. Since they are not difficult, we will not explain them again. Next, we will...[Details]
In the field of intelligent driving, the mass production of many new technologies is later than expected, but lidar is an exception. In 2021, led by brands such as NIO, Xpeng, Ideal, BAIC Arcfox, G...[Details]
In daily life, we may encounter overload when using R-type power transformers. What is the cause of transformer overload? Can the transformer work normally after overload? With these questions, let...[Details]
Overview Signal processing refers to the process of filtering, transforming, analyzing, processing, extracting characteristic parameters, etc. of signals. In electronic instruments and measurements, ...[Details]
introduction At present, due to unscientific eating habits and unhealthy living habits, people are prone to various diseases, and hypertension, as one of the diseases, has seriously threatened the he...[Details]
Method of measuring leakage current with multimeter 1. Power-off measurement Turn off and disconnect all electrical appliances, use the RX10K setting of the multimeter, connect one probe to the...[Details]
1. Serial communication
The ATmega16 microcontroller has a full-duplex universal synchronous/asynchronous serial transceiver module USART, which is a highly flexible serial communication device. Its ...[Details]
0 Preface
In recent years, palmprint recognition, as an emerging biometric technology, has attracted more and more attention. Compared with common biometric recognition technologies such as finger...[Details]
The following two methods are generally used to calibrate the DC current part of the digital multimeter: 1) DC standard current source method; 2) Direct comparison method (standard digital ammeter me...[Details]
Bimetallic thermometers have a wide range of applications, and different application fields have different requirements for bimetallic thermometers, so everyone must pay attention when purchasing. S...[Details]
Recently, Lihong Qin, co-founder and president of NIO, revealed at a 100kWh battery sharing session that at the NIO Day event held on January 9, 2021, NIO will release its first sedan, 150kWh battery...[Details]
For developers, Apple today released the second beta version of iOS 14. Users who have already installed the iOS 14 beta can directly upgrade wirelessly via OTA. The latest iOS 14 beta mainly fixes b...[Details]
The power control of electric vehicles is mainly to output electricity from the battery to the motor. How to achieve the output at will? This requires the use of power inverter technology, that is,...[Details]
Power technology
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