The IO port of a microcontroller can generally be set to three states: high, low, or high configuration. Generally, the input/output high operation register is written with 0XFF, and the input/output ...
01Is the solder used in a soldering iron toxic?One netizen complained that he had been using a soldering iron in a PCB factory for a year and felt uncomfortable and his abdomen was a little bloated. I...
Requirements: Graduated 10 years ago, no work experience limit, must have an intermediate professional title or above in electronics, communications, or computer science, can purchase social insurance...
[i=s]This post was last edited by xinmeng_wit on 2022-10-23 22:44[/i]Multifunctional network weather clock
Author: xinmeng_witProject BackgroundThe ESP32-S2-Kaluga-1 development board has a wealth of ...
[Raspberry Pi 4B Review] Review and test of various functions of Raspberry Pi 4
It is divided into the following parts:
1. Check the Raspberry Pi version
2. CPU View
3. Memory View
4. Check CPU temper...
"Audio" is a necessary function for most embedded products and has important applications in many scenarios. Audio ICs with stable performance are also a hard requirement for many developers when s...[Details]
The 2019 China (Chengdu) Electronic Information Expo will be held in Chengdu Century City New International Convention and Exhibition Center from July 11 to 13, 2019. The Expo is a high-quality exhib...[Details]
The measurement of floating systems mainly uses high-frequency current probes. When electrically testing the power system, it is usually necessary to measure the relative voltage difference between t...[Details]
I have a 10 month old daughter. As many of you with kids know, bedtime can be a little tricky. I sometimes find myself watching infomercials late into the night. I've watched so many that I can almos...[Details]
Opening remarks:
All the contents in the previous chapters are about using self-built fonts, which is equivalent to using the image mode of the LCD screen. In fact, the driver chip of this 12864 LCD ...[Details]
Since May this year, there have been continuous news about Moto E7. After the relevant specifications were exposed, today foreign media 91Mobile shared a set of real-life pictures and videos of ...[Details]
Overview: Materials whose linear scale in one dimension is much smaller than its other two-dimensional scales are called thin film materials. Theoretically, the thickness of thin film materials range...[Details]
Ultrasonic waves are mechanical waves with a frequency of more than 20KHz, and their propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be generated by ultrasonic sensors...[Details]
The transformer design is summarized.
1. Known parameters
These parameters are determined by the designer based on user needs and circuit characteristics, including: input voltage Vin, output ...[Details]
Wireless network
Troubleshooting is what we will explain in this article. We will approach our topic from four aspects. Including: whether it is a hardware problem, the connectivity of ...[Details]
Welcome to use the high-quality professional test instrument ET3000 double clamp multifunctional ground resistance tester, which is used to measure the ground resistance and evaluate the ground quali...[Details]
Consumers today expect brighter and larger displays in mobile, portable and home products. However, higher brightness and higher resolution usually mean more power consumption and bulkier products. ...[Details]
Earlier there was news about the Huawei P40 Pro Hongqi customized version, and now the packaging box of this version has been leaked online. Judging from the pictures leaked online, the oute...[Details]
“Lapis Semiconductor’s new ML2253x series products can not only reduce the software design of the main control MCU, but also build a voice output system. At the same time, it can also use the playba...[Details]
my country has abundant wind and solar energy resources. After long-term research and unremitting accumulation, many new energy technologies and equipment manufacturing levels have become world leader...[Details]
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