There are two ways of thinking: 1. Connect two 7V/1A battery panels in parallel to become a 7V/2A power supply, and then get 12V by 7V to 12V boost; 2. Connect two 7V/1A battery panels in series to ge...
As mobile phones have more and more functions, users' energy demands for mobile phone batteries are also increasing. Existing lithium-ion batteries have become increasingly difficult to meet consumers...
The previous article has introduced the ST official LSM6DSOX example library file structure and the introduction of each file in detail. At the end, there is a simple question: if the direction of the...
The temperature and humidity integrated digital sensor Si7021 used in our development kit has an I2C interface . The I2C interface sensors on the development board are all mounted on one bus.The bus i...
PD3.0 and QC3.0; total power 120W. One fast charger and two QC3.0 fast chargers at the same time without interference, both are fast chargers, those who are capable can contact me. Payment method, the...
In many situations with high current output, in order to improve the reliability of the system, a commonly used method is to use hot backup - multiple power modules are used in parallel. Each power m...[Details]
First configure I2C
1. Reset I2C through APB and enable I2C clock
2. Enable GPIO clock and configure GPIO in AF OD mode
3. Enable I2C ( PE="1")
4. Set the speed parameters FREQ CCR F/S DUTY TR...[Details]
I just made a constant temperature box, using PID algorithm, an output cycle of 3 seconds, an output of 0-150, and each parameter is quantized to 0-99 for easy modification by users. In order to offse...[Details]
0 Introduction
Fiber Bragg grating sensor (FBGS) is a functional fiber sensor using fiber Bragg grating (FBG) as a sensitive element. It can be used to directly detect temperature and strain, ...[Details]
Insulation resistance refers to the resistance between two conductors separated by insulating materials, and the insulation resistance tester is an instrument used to measure the insulation resistanc...[Details]
Abstract: In order to improve the traditional interface of music players, expand functions and improve sound quality, a multimedia music player with text reading function is designed based on the A...[Details]
In the past, if Huawei phones used the traditional Chinese system, the region part would display "Taiwan", while the simplified Chinese version would display "Taiwan, China". In early August this yea...[Details]
With the development of modern science and technology, some metering methods and devices for directly measuring mass flow have emerged, which has promoted the progress of flow measurement technology....[Details]
After the STM32F10x series MCU is reset, PA13/14/15 and PB3/4 are configured as JTAG functions by default. Sometimes, in order to make full use of the MCU I/O port resources, we will set these ports ...[Details]
Recently, the robot 3D vision manufacturer "
Elson
Intelligent Technology" completed a tens of millions of yuan in Series A financing, exclusively invested by Qigao Capital.
Aft...[Details]
On August 27, State Grid Information and Communication Industry Group Co., Ltd. (hereinafter referred to as "State Grid Information and Communication Industry Group") and Tencent Cloud signed a coo...[Details]
In any
switching
power supply
design, the physical design of the PCB board is the last step. If the design method is not correct, the PCB may radiate too much electromagnetic inter...[Details]
According to foreign media reports, on August 5 local time, Tobii, the world's leading eye tracking technology company, announced the launch of the driver monitoring system Tobii DMS, acquired techno...[Details]
According to foreign media reports, researchers at the University of Twente in the Netherlands used a new material, nickel niobate, as the negative electrode of lithium-ion batteries, which is said t...[Details]
01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]
Analogue and Mixed Signal
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