In the development and application of test and measurement equipment, how to achieve the compensation of signal chain DC Offset and how to obtain high-precision flexible and adjustable voltage output ...
1. Enter the lvgl library
When searching the source code of Tina-SDK , I found a " gui " folder in the packages directory, which contains a lot of GUI libraries. I opened them and found that they were...
Thank you very much for the CC2541 development kit provided by TI . It has been a long time since I developed TI's 8051 Bluetooth. I would like to take this opportunity to develop the Bluetooth of the...
The microcontroller source program is as follows (with detailed comments): #include
#include
#include18b20.h #define uchar unsigned char #define uint unsigned int bit flag1s = 0; //1s timing flag unsi...
MoneyDJ quoted Bloomberg as reporting that Broadcom CEO Tan Hock Eng said in a financial report conference call on the 4th that customers are placing additional chip orders at an unprecedented rate, ...[Details]
Before embedded development, you must first build a cross-compilation environment, which is a development environment consisting of a compiler, a connector, and a libc library. This article uses a sp...[Details]
In 1800, Italian physicist Alessandro Volta invented the first battery in human history, the voltaic pile. This initial battery, made of zinc sheets (anode) and copper sheets (cathode) and paper soak...[Details]
Providing a basis for evaluating driverless products On April 1, 2020, Underwriters Laboratories (UL), a nonprofit standards organization, announced the official release of UL 4600, the Safety Ass...[Details]
summary
In a distributed base station system, RRU usually achieves remote interconnection with BBU through optical fiber. Due to the characteristics of optical fiber itself, jitter and drift will...[Details]
By Xia Xu and Zhu Xuetian, China Telecom Research Institute, ZTE Technologies
Different from traditional communication networks such as the fourth generation mobile communication (4G) technolo...[Details]
Electron microscopy can be divided into static and scanning types. Static types include transmission electron microscopes, reflection electron microscopes, and low-energy electron microscopes
...[Details]
On June 6, 2019, the Ministry of Industry and Information Technology officially issued 5G licenses. On October 31, 2019, the three major operators jointly announced the launch of 5G commercial use, a...[Details]
WatchDog is a very important resource that can effectively prevent the system from entering an infinite loop or the program from running away.
Working principle: After the system is running, the w...[Details]
A few days ago, a student asked me about ARM interrupt nesting. I realized that what I took for granted was not easy for students to understand. ARM has seven modes, and we only discuss SVC, IRQ an...[Details]
Light detection and ranging, or LiDAR for short, is a laser radar technology that is widely used in terminal markets such as autonomous vehicles, industry, drones, robots, and 3D mapping. Automotiv...[Details]
The USB Type-C interface is likely to become the only data interface for most laptops and smartphones in the future, but these devices that only support USB interfaces must still interact with non...[Details]
Overall scheme selection and design
1 Scheme demonstration and comparison
① Selection of main circuit and adjustment method
Solution 1: Switching voltage regulation
The switching...[Details]
According to foreign media xiaomiui, the international version of the Xiaomi 12 series has appeared on Geekbench 5. The exposed phone is codenamed "2201123G", and the suffix G stands for Global. The ...[Details]
In-wheel motors are common in concept cars, but few can actually be mass-produced. At the Paris Motor Show, Protean Electric and Renault jointly launched the ProteanDrive fifth-generation in-wheel ...[Details]
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