The NRF24L01 module is a 2.4GHz communication module. The output power channel selection and protocol settings can be set through the SPI interface. It can be connected to almost all microcontroller c...
I just started to enter this industry! This is a picture of a bridge arm of a MOS tube. I mainly want to know the function of each part and how to choose the parameter size! Thank you!...
I am a beginner. I have recently encountered some strange problems while doing RFID experiments. I used a 345uH coil in parallel with a 0402 4.7nF capacitor. The oscillation voltage measured by the os...
1. Basic Concepts of Clusters There is a common method that can greatly improve the security of servers, which is clusters. Cluster technology can be defined as follows: a group of independent servers...
6410's SDBOOT is a very convenient tool. It uses the SD card to load SD_EBOOT, then downloads the standard STEPLDR and EBOOT generated by WINCE6.0, and then enters the NANDFLASH boot mode to download ...
STM8S103F2 is used to sample current. The current sampling resistor is 50 milliohms, and is input to the chip's AD port after simple filtering by 1K and 104. The voltage on the sampling resistor is ab...
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]
The Challenge:
Providing a flexible, powerful robotics design platform
to more than 40,000 high school students participating in the FIRST
Robotics
Competition (FRC).
The So...[Details]
At present, products in the field of monitoring generally focus on the field level, that is, the client/server (C/S) model is adopted, the purpose of which is to ensure the stability and reliability o...[Details]
1. Explanation of some common English abbreviations in ARM
MSB: most significant bit;
LSB: least significant bit;
AHB: Advanced High-Performance Bus;
VPB: VLSI peripheral bus th...[Details]
1. Encryption principle description
The LPC2100 series ARM7 microcontroller is the world's first ARM chip that can be encrypted. The method of encrypting it is to set the specified d...[Details]
Abstract Aiming at the harm caused by mobile phone microwave radiation to human body and the incompatibility between mobile communication network and fixed-line network, a PSTN voice gateway using ...[Details]
New processors in laptops place higher demands on power supplies: higher current, faster response to load steps, and faster adjustment of output voltage after the voltage identification (VID) code ...[Details]
VGA (Video Graphics Array) is a graphics display standard proposed by IBM in 1987. Although it is no longer an advanced display standard, it is still widely used due to its mature technology and pr...[Details]
1 Introduction
Smart cars are the embodiment of the cross-integration of multiple disciplines such as automotive electronics, artificial intelligence, pattern recognition, automatic control, c...[Details]
RF/Wirelessly
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