I made a 18650 lithium battery charging circuit. The charger uses a 5V 2A mobile phone charger. A TP5100 is used as a lithium battery charging IC on the board. The circuit diagram is as follows. The c...
[size=4]There are three main alignment issues: variable alignment, structure alignment, and data alignment. The first two are variable mapping and structure layout determined by the compiler. The last...
The C5509A DSP has very few general IO ports, which is not enough compared to the general ARM.
Generally, CPLD is used to expand IO. If CPLD is not used, its IO can be fully utilized.First, it has 7 g...
VaST (VaST Systems Technology Corporation) and StarCore LLC recently announced that StarCore has joined the VaST Universe Partnership Initiative. VaST and StarCore users are using VaST's Virtual 1st S...
[font=宋体][size=4] When debugging lan8720 hardware, you need to check whether the ground pad is cold soldered, whether the internal voltage regulator 1.2V has output, and whether it has output 50M freq...
Recently, the "3rd China Changchun International Auto Parts Exhibition and Fair" closed in Changchun. As an important part of the exhibition, the first China-Europe Auto Parts Fair was also successful...
1 Introduction
The electromagnetic cooker is an advanced electronic cooker for cooking food in modern families, which uses the principle of electromagnetic induction for heating. It is very conve...[Details]
Schematic diagram of Centricas' local energy market trial in the west of England. Image: Centrica
Centrica has invested in two leading energy technology companies as it targets...[Details]
On July 19, the new Zeekr 009 was launched tonight. At the press conference, the official stated that the new car will have "three 800 full ecological solutions", namely a new generation of 800V ul...[Details]
In the early days, since LEDs were mainly used as indicators or display lights, and generally appeared as single devices, the requirements for wavelength sorting and brightness control were not high. ...[Details]
Testing voltage, current, temperature, pressure, strain, and flow rate is an integral part of industrial and process control applications. Often, these applications are located in environments with...[Details]
First, let's take a look at the working process of USB.
When a USB device is connected to the host, the host begins to enumerate the USB device and sends instructions to the USB ...[Details]
introduction
The USB bus is an efficient, fast, low-cost, small-sized, hot-swappable serial communication interface. Currently, the USB interface has been widely used in the design of elec...[Details]
1. Switch the main clock to HSE; (external crystal oscillator is 8MkHz) 2. Divide the main clock frequency by 8, that is, the counter clock period is 1us; 3. Set the timer to interrupt once every 250...[Details]
As we all know, oscilloscopes are known as the eyes of electronic engineers, so bandwidth is the most important technical indicator of an oscilloscope, and it is also the most expensive indicator of ...[Details]
BLDC six-step driving principle
The six-step drive method of BLDC (brushless DC) motor is a common control method used to control the speed and direction of BLDC motor. The principle is as fol...[Details]
How do civil aircraft protect themselves from lightning in thunderstorms? What kind of damage does lightning do to aircraft? At present,
aircraft lightning protection
has become an im...[Details]
To maintain lead-acid batteries, it is necessary to first have a general understanding of the structure and principle of lead-acid batteries. Lead-acid sealed batteries are composed of positive and...[Details]
After releasing iOS 14.3 in December, Apple recently stopped verifying signature updates for iOS 14.2 and iOS 14.2.1. Since the launch of iOS 14.3 on December 14, it took Apple nearly a month to st...[Details]
Capacitors with paper as dielectric - a new variety with thickness, charm and richer music -
The audio system at home has not made any sound for a long time. I changed the circuit of the power amp...[Details]
RTI continues to lead the way with cutting-edge cybersecurity processes to minimize vulnerabilities and ensure strong protection for the enterprise.
RTI, a provider of software for i...[Details]
Power technology
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