How much current can a 0Ω resistor carry? This question must have been asked by every hardware engineer. And there is another related question, which is how big the resistance of a 0Ω resistor is?
The...
I have a 10-year-old laptop with an I5 CPU and 4G memory. I haven't used it for two or three years. The day before yesterday, I turned it on. It took about 10 minutes from booting to running. After bo...
Some time ago, I needed to test the charging of a lithium battery pack. The voltage of 18 lithium batteries in series can reach more than 70V. I used to have a GPC-6030D linear adjustable power supply...
Qorvo (Nasdaq: QRVO), a leading provider of innovative RF solutions that connect the world, today introduced the industry's smallest single-chip motor control and inverter solution for brushless DC (B...
1. Test
I just got the ATK-NEO-6M GPS module. I can't believe that this nearly 100 yuan thing is only 3cm in size. I downloaded relevant information online before. The first quick test must be done wi...
We have introduced the Raspberry Pi speed control before, but that was to control the speed of one wheel. As a result, the speed was sometimes slow and sometimes fast, but the error was acceptable. Th...
Mobile phones are developing at a speed that exceeds Moore's Law, from single-core to 8-core, screens to 1080p, and memory from dozens of MB to 2 GB. Everything in the phone is being updated, but t...[Details]
By Zhang Quan, Chief Engineer of State Grid Energy Research Institute
my country's energy and electricity growth prospects are broad
On June 13, 2014, General Secretary Xi Jinping pro...[Details]
1 overview 1.1 Purpose This document is used to explain the software optimization of the GPIO module of the Qidian development board. It is not limited to the realization of hardware functions, but...[Details]
OWC, a leading zero-emission Mac and PC technology company and a well-known provider of memory, external drives, SSDs, Mac and PC docking solutions, and performance upgrade kits, has announced that i...[Details]
The differential pressure flowmeter is an instrument that calculates the flow rate based on the differential pressure generated by the flow detection component installed in the pipeline, the known flu...[Details]
PIC structure and definition bit structure
extern volatile near unsigned char PORTB; // PORTB is a byte (unsigned char). Since the variable is defined in a register, the extern modifi...[Details]
Twenty years ago today, ON Semiconductor was formally established. After years of hard work, it has successfully transformed into a semiconductor giant that promotes energy-efficient electronic innov...[Details]
1. The influence of contact stroke. For the arc extinguishing chamber of various types of 10kv vacuum measuring instruments currently produced, the overstroke of the contact is about 4mm according ...[Details]
Today, the well-known mobile phone benchmark software AnTuTu revealed the benchmark score of Lenovo's new phone model L79031, which is as high as 648871 points. In terms of configuration, Lenovo's ...[Details]
The composition of the transmission system: 1. Speed change mechanism: There are manual speed change mechanism and automatic speed change mechanism; 2. Differential: It is a tool to solve the pro...[Details]
1. Introduction
In the intermediate test of quartz crystal, it is necessary to measure parameters such as series resonant frequency, series resonant resistance, load resonant frequen...[Details]
Runware, a French company that designs innovative applications for iPhone, iPod and iPad, has announced the launch of the new Runalyzer integrated sports kit, which combines a heart rate monitori...[Details]
1. How to switch from assembly to PICC First of all, you need to have a basic understanding of C language. The header file of C code must have #include, which is a collection of many header files. Th...[Details]
On October 13, the Beijing Municipal Urban Management Committee issued the "Implementation Rules for the 2023 Beijing Electric Vehicle Charging and Swapping Facility Construction and Operation Ince...[Details]
6410 Development Board:
1.uboot entry:
To see the entry of the uboot project, first open the Makefile in the top-level directory:
The development boards supported by Uboot will...[Details]
MCU
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