GigaDevice GD32307E-START development board is equipped with GD32F307, the mainstream chip of GD32 ARM Cortex-M4 microcontroller. It is also one of the designated development boards for the "GigaDevic...
Many times we may already have a rough idea of the circuit results and need to perform some basic operations on the circuit waveform, but it still takes some time to continue building the circuit, so ...
The MQTT protocol is built on top of the TCP protocol, just like a car chassis can run with four tires, but if you want everyone to drive more comfortably, we still have to add a shell to the chassis....
[i=s]This post was last edited by lemon1394 on 2021-8-18 22:00[/i]Using the frame buffer method to display Chinese characters or pictures, the algorithm becomes very simple.
Not only can it be used fo...
The low noise block (LNB) is a key functional block in the receiver chain of a satellite communication system. The LNB basically consists of a low noise amplifier (LNA) chain and a downconverter. Alth...
Recently, data released by market research firm Omdia showed that in the first half of 2020, Apple accounted for 5 models, Redmi 4 models, and Samsung 1 model in the top 10 global smartphone shipment...[Details]
1. What is the difference between fetch, read, and measure programming in the keysight signal analyzer? Simply put, Fetch is to directly read the value of the most recent measurement in the current m...[Details]
1 Introduction In the field of microwave and millimeter waves, due to the bandgap characteristics of photonic crystal structures, they have important application value in filtering, harmonic suppress...[Details]
China Energy Storage Network News:
Xining, January 23, China News Service (Li Jiangning, Wang Guodong, Lu Guoqiang) On the 23rd, the last three 50-megawatt new energy phase-shifting units a...[Details]
Function of the circuit
Ordinary Zener diodes have different base voltages and temperature coefficients, resulting in large errors. In practice, only by carefully measu...[Details]
International Energy Network/PV Headlines (PV-2005) learned that on May 10, the State Power Investment Group Jiangsu Electric Power Co., Ltd. announced the candidates for the 29th batch of bidding ...[Details]
According to foreign media reports, Sumitomo Riko Co. of Japan has developed a new system that allows semi-autonomous vehicles to confirm whether the driver has both hands on the steering wheel. The ...[Details]
According to Cailianshe, at the 2020 China Automotive Forum on August 14, Wang Jun, president of Huawei's Intelligent Automotive Solutions BU, announced Huawei's Hongmeng in-vehicle system: Hongmeng ...[Details]
//=======================================================// **Detailed explanation of the buzzer example based on STM32 //==============================================================// Before learn...[Details]
According to foreign media reports recently, the CHAdeMO Association and the China Electricity Council (CEC) are developing a new global fast charging standard with the support of the Chinese and Jap...[Details]
In the field of production line testing or manufacturing testing, the digital multimeter (DMM) has become a ubiquitous test instrument. When faced with a variety of different test requirements, such a...[Details]
At the 2019 China International Information and Communication Exhibition and 5G Commercial Launch Ceremony, the Ministry of Industry and Information Technology, together with the three major operator...[Details]
CNC (Computer Numerical Control) system is a computer system used to control the movement of machine tools. The main task of the CNC system is to automatically control the movement of machine tools...[Details]
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