278M4001685ML377

Introduction Media Access Control Security (MACsec for short) is the most advanced security solution on Ethernet. It provides integrity protection, replay protection, and optional confidential...[Details]

1. Most of the I/O ports of 51 MCU are quasi-bidirectional ports. During reset, all ports output high level. The input and output operations of the ports are also directly performed through the add...[Details]

 Liquid crystal displays are increasingly used in pocket instruments and low-power application systems due to their many advantages, such as low power consumption, small size, rich display content, an...[Details]

Merck, a leading global science and technology company, recently announced that its performance materials business has reached another key milestone in its strategic transformation. After the success...[Details]

　   On May 9, according to foreign media reports, Qualcomm's next-generation flagship platform is named Snapdragon 875, and the Samsung Galaxy S21 may be the first model of Snapdragon 875. 　　The repo...[Details]

1. A device or apparatus that can sense a specified quantity to be measured and convert it into a usable output signal according to certain rules. It usually consists of a sensitive element and a conv...[Details]

At present, the power amplifiers in active speakers mostly use transistors or integrated circuits. Active speakers made with tube power amplifiers are rare. However, if you want to pu...[Details]

sim800c+GPS chip is a small design for practice, a little ugly. Attached is the program and the principle PCB diagram. It is   my first post, please forgive me if it is not good. Button function: o...[Details]

　　As far as the current industrial world is concerned, electronic control is the control of input and output, and the relationship between them is like a "black box". The input voltage and output vol...[Details]

Introduction: This article designs a digital thermometer based on PIC microcontroller. It directly uses the digital temperature sensor DS18B20 and uses the microcontroller to control 18B20 to measure...[Details]

According to Nikkei Asian Review, sources revealed that Huawei is working to stockpile 5G mobile processors, Wifi, RF and display driver ICs, as well as other devices from key chip developers MediaTe...[Details]

MVG and Anritsu jointly develop world’s first 5G vehicle OTA RF test system Microwave Vision Group (MVG), a wireless connectivity test specialist, and Anritsu Corporation recently an...[Details]

I just finished a project that required the acquisition of human ECG signals and stored them in a mass storage device. You can use a USB flash drive or a CF card. The difficulty of this project is not...[Details]

　According to a netizen’s contribution to IT Home, the new Meizu 17 series has obtained radio network access licenses, and there are three models in total.        The radio access license shows th...[Details]

　　1. Introduction 　　The digital oscilloscope in the design of this paper is an improvement on the traditional high-speed electron beam oscilloscope. It can collect and store the measured periodic s...[Details]