How to get 9V/12V from the PD charger to power the product for fast charging? Overview of Lederui PD power chip: PD protocol is currently a popular charging protocol, and it has a tendency to replace ...
It works fine if I compile and download the flash file without powering off. But it doesn't work if I power off and then power on again.
It is suspected that there is no startup code for CPU2 in the C...
This article takes AWR1642 as an example to introduce the specific process and steps of how to modify the code to change the L3 RAM distribution in the mmW demo based on mmWave SDK 2.1 on AWR1642 ES2....
Here is an introduction first:What is OpenRF and why now?
OpenRF is an industry association formed by many of the world's chipset manufacturers and RF front-end suppliers to create a 5G ecosystem of h...
The CPU structure of TI's TMS320C6XXX series DSP includes two pairs of register groups (AB) and 8 independent functional units. Each register has 4 functional units (DLMS). The functions of different ...
Introduction: AVR microcontroller is an enhanced RISC (Reduced Instruction Set CPU) high-speed 8-bit microcontroller with built-in Flash developed by ATMEL in 1997. AVR microcontrollers can be widely...[Details]
Keithley built a test fixture for a 48×64 OLED array to study the performance of an OLED test system consisting of four 2400 source meters. Circuit board traces connect three 7011-MTR 96-pin connector...[Details]
On March 11, it was reported that Tiantong satellite is the key to realizing satellite communications for domestic mobile phones and other terminals. There are currently three of them in space, all...[Details]
After studying TCP/IP protocol for several days, I gradually understood that TCP and IP are two protocols on different layers, and they are also different. TCP is built on IP. Of course, IP can not...[Details]
In recent years, modern spectrum analyzers have made great improvements in low-frequency analog accuracy and digital signal processing (DSP) devices, especially front-end intermediate frequency (IF) ...[Details]
1. Use a soft wire or other hard metal (such as a rod antenna) for the antenna, with a length of about 20cm (315MHz) or 18cm (434MHz). Try to straighten it for use. Do not get close to metal obje...[Details]
Recently, a research team from the University of California, San Diego, successfully developed a bionic crawling
robot
that can automatically move toward light and heat sources like a grape...[Details]
According to news on October 26, Kioxia and Western Digital have been in merger negotiations since 2021. IT House reported earlier today that the merger received opposition from SK Hynix. According t...[Details]
At the beginning of 2019, 5G has undoubtedly become the focus of the market. For Qorvo, a leader in the RF field, this year is also defined as the first year of 5G. In 2016, Qorvo began joining 3GPP...[Details]
For many years, playing games on Mac was possible but limited because many developers' games were not ported to macOS, and although there were several popular games, they were negligible compared to ...[Details]
Before designing a building automation system, we must first have an accurate positioning of the design plan. That is to say, what scale should our project reach? Usually, the design goal of an int...[Details]
1. Limiting filter method (also known as program judgment filter method)
A. Method:
Based on experience, determine the maximum deviation value allowed between two samples (set to A).
Every time a n...[Details]
The photovoltaic inverter is the core equipment of the photovoltaic system. Its main function is to convert the direct current generated by the photovoltaic modules into alternating current that meets...[Details]
Many friends say that the delay time cannot be accurately controlled in C and it is not as intuitive as assembly. In fact, this is not the case. A deep understanding of the delay function will help y...[Details]
Frequency conversion speed regulation technology is an important development direction of modern electric power transmission technology. As the core of frequency conversion speed regulation system,...[Details]
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