When using a stroboscope to test the motor speed, it is necessary to make a mark on the rotating motor shaft or somewhere else. Adjust the flashing frequency of the stroboscope so that the mark is rel...
[align=left][font=微软雅黑][size=3][color=#48d1cc]What often troubles you in power supply testing? [/color][/size][/font][/align][align=left][font=微软雅黑][size=3]Switching loss? Power supply harmonics? Loop...
2.4g is better
2.4g will not be interfered by wireless signals from mobile phones, nor will there be crosstalk from several nearby microphones. It has good confidentiality, is not easy to be demodulat...
The hardware distribution on the development board is described in detail in the user manual. The board integrates the temperature and humidity sensor Si7021, the ambient light sensor VEML6035, the Ha...
eSIM (also known as eUICC) is the next generation of SIM card technology. It evolves the traditional SIM card from a limited "one network" capacity to a smart, rewritable and network-agnostic module. ...
1 Introduction
Capacitive sensors are widely used in many industrial and consumer products. They are popular in many fields due to their small size, low power consumption and high precision. Howeve...[Details]
There are usually two ways to detect whether the ordinary zinc-manganese dry battery has sufficient power. The first method is to estimate the internal resistance of the battery by
measuring...[Details]
It is reported that Apple is negotiating to purchase part of Japan Display's (JDI) Hakusan factory in Ishikawa Prefecture for US$200 million. At the same time, Apple may continue to use LCD screens i...[Details]
On June 27, iFLYTEK released iFLYTEK Spark V4.0 at the Beijing National Convention Center. After this upgrade, iFLYTEK Spark is fully comparable to ChatGPT 4 Turbo, ranking first in 8 international...[Details]
The information required for this article is stored in the network disk. If necessary, download it yourself. Link: https://pan.baidu.com/s/1eAvlj3hTU9971qYIp4f8XA Extraction code: 1zpk 1.Win1...[Details]
In 2019, the Bluetooth Technology Alliance announced that the new version of Bluetooth core technology launched in January will support the directional function. Before adding the direction-finding f...[Details]
The standby power consumption of household appliances may seem insignificant, but the energy consumed over time is staggering. If you want to reduce the standby power consumption of electrical applia...[Details]
As a common display device, LCD has the characteristics of low power consumption, small size, light weight, and large amount of displayed information. Especially in portable devices, it occupies an ab...[Details]
Thermal power plants and large industrial boilers usually add a small amount of phosphate to the boiler water to prevent the formation of calcium and magnesium scale. Insufficient phosphate concent...[Details]
Taiwan Semiconductor Manufacturing Co. and MediaTek Inc. plan to hire more than 10,000 engineers this year to support aggressive business expansion plans and maintain technological leadership as glob...[Details]
Many people do not understand the function NVIC_PriorityGroupConfig() in the firmware library when configuring STM32 interrupts, especially when reading the Chinese translation, because the Chinese tr...[Details]
Digital multimeters are highly anticipated by radio enthusiasts because of their advantages such as accurate measurement, convenient value acquisition, and complete functions. The most common digital...[Details]
DxO PureRAW 2, the award-winning RAW photo conversion software, is now available for Apple Silicon and loaded with many upgrades
With native compatibility with Apple Silicon, DxO PureRAW...[Details]
Maskable interrupts and non-maskable interrupts: According to whether they can be masked, interrupts can be divided into two categories: non-maskable interrupts (also called non-maskable in...[Details]
Soft starter and auto-coupling step-down starting are two different motor starting methods. They have certain differences in starting principle, structure, performance, application, etc.
...[Details]