This webinar will provide a brief introduction to USB technology, after which we will discuss the details of USB 2.0 and 3.2 compliance testing. This webinar will allow you to understand common signal...
A simple common emitter amplifier circuit, why is the base current so small? According to the manual of 2N5551, shouldn't the voltage drop be only 0.7V? It stands to reason that the base current shoul...
This time, we use the combination of blynk app + server (local) + zero-knowledge ESP8266 development board to control the RGB LED to display various colors through the mobile phone APP.
1. Hardware pr...
In the development of modern automobile technology, more than 95% of cars have adopted the CAN bus protocol, and some entertainment systems have adopted Ethernet. Combined with the commercial applicat...
[i=s]This post was last edited by fish001 on 2020-5-9 22:50[/i]Tips: Since the download file is large, to ensure a smooth download, it is recommended to use download tools such as Thunder, QQ Tornado,...
[i=s]This post was last edited by landeng1986 on 2019-10-31 20:07[/i]With this development board, you don't have to worry about not being able to use the high-end radar in your hands. Infineon provide...
1. Simple identification of cold solder joints and dead lights
A relatively simple but effective
way to identify dead
LEDs
is to heat the lights. We heat the LED leads of s...[Details]
The debugging steps of KTS torque motor controller during use are as follows:
1. Generally, it can be put into use directly without debugging. Because it has been strictly tested repeatedly fo...[Details]
In the 5G era, mobile phone processors are becoming more and more important. Now most domestic manufacturers have to rely on 5G processors from Qualcomm and MediaTek. However, this situation will soo...[Details]
Most of the current valves are mechatronic designs, which can automatically control the valves through the circuit system; the circuit system realizes the control, feedback and adjustment of the valve...[Details]
main feature
1. Unique droplet observation angle adjustment technology allows you to observe the shape of droplets at any time.
2. The fine-tuning function of the injection system can only adju...[Details]
1. Current status of functional design of distribution automation system The development and construction of distribution automation system has a history of nearly 10 years in my country's power su...[Details]
I have been busy with some work these days and have no time to look at Arm. The development board needs to be changed from 2478 to 2378, so I started to look at the information of 2378 again. In fact...[Details]
What is the buzzer used for?
A buzzer is an electronic component that generates a continuous and sharp sound signal. It is usually composed of a diaphragm, an oscillation source, and a drive c...[Details]
The first and most common circuit topology that everyone may come into contact with is probably flyback. At least when I first came into contact with power supplies, the first one I used was flybac...[Details]
Today, International Data Corporation (IDC) released the mobile phone market tracking report for the second quarter of 2021. The data showed that China's smartphone market shipments in the second qua...[Details]
With the continuous consumption of energy, the increasing scarcity of resources, the increasing harm of the greenhouse effect to human beings, the increasingly serious pollution of the atmospheri...[Details]
I built the first STM8 project according to the tutorial (Qingfeng Electronics) and the following error occurred. Appear: Fatal Error : cannot open source file "stm8s_gpio.h" D:stm8testdriverled.h ...[Details]
China Energy Storage Network News:
Recently, under the correct guidance of Shandong Provincial Energy Bureau and the coordination and dispatch of Shandong Electric Power Dispatching and Con...[Details]
The DTX series cable certification analyzer launched by Fluke Networks is a high-tech test platform that can meet current requirements and face future technological development. By improving the pe...[Details]
The rapid development of microelectronics and software technology is profoundly changing the design of in-vehicle entertainment control and safety systems, redefining the driving experience.
...[Details]
Test/Measurement
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