1. Equivalent model of resistor2. Parasitic parameters of capacitors3. Equivalent parameters of capacitors4. The difference between ideal aluminum electrolytic capacitor and actual aluminum electrolyt...
E840-DTU Unboxing
1. First, understand the purpose of e840 through the user manual and re-formulate the evaluation plan.SIM cardAfter opening the package, check that there is no damage. Prepare a SIM ...
Does a mechanical multimeter have a smaller temperature drift than a digital multimeter? I usually use the multimeters commonly seen in the market. Some colleagues said that the temperature drift of d...
I saw in the specification that there is an isolated available current of 100mA. Is this the parameter? My circuit diagram is the same as the recommended circuit, except that I choose 5V output, so SE...
Event details: [Free evaluation and trial of Anxinke ESP32-Audio-Kit] Evaluation | [Free evaluation and trial of Anxinke ESP32-Audio-Kit] Free trial_Electronic Engineering World (eeworld.com.cn)Evalua...
1. What is watchdog? Watchdog, in Chinese, is called "watchdog", and its full name is watchdog timer. From the literal meaning, we can know that it is actually a timer. However, it is different from ...[Details]
This article introduces a very simple method of controlling the frequency converter by Mitsubishi FX series PLC communication: it only requires installing an RS-485 communication board or hanging a...[Details]
Open the serial interrupt at the corresponding position in the main program (the instruction is SETB ES), set the baud rate, start the corresponding timer (because the baud rate is generate...[Details]
The DC power supply system is mainly responsible for supplying power to control equipment, protection equipment, etc. in the process of power production. Insulation degradation and DC bus gro...[Details]
According to foreign media reports, Graphcore, a British chip design company, recently released its intelligent processor (IPU) product, which uses TSMC's Wafer-on-Wafer advanced packaging technology...[Details]
UPD78F9222 fluorescent lamp dimmer solution
This solution is based on UPD78F9222 to realize the adjustment of fluorescent lamps. The adjustment supports manual and infrared methods, and can provide...[Details]
Recently, Jia Shaoqian, president of Hisense Group, said in an interview with CNBC that the global chip shortage may last for two to three years before it ends. Since last year, the impact of the glo...[Details]
Misunderstandings and Skills in Using Elan MCU Instructions
The basic instruction syntax of EMC is actually just 57/58. How to change it depends on your practice and luck.
1. Misunderstand...[Details]
How to make the front panel of the waveform chart transparent, but still be able to see the scale and display things! Because you also need to see the things displayed by the other waveform graph behi...[Details]
Recently, it was learned from relevant channels that BYD disclosed the patent of "Unmanned driving bus and its passenger boarding monitoring system and control method", with the publication number CN...[Details]
In recent years, with the rising cost of land and human resources, and the rapid development and transformation of industries such as circulation and manufacturing, the logistics industry has expan...[Details]
Introduction: ARM Basics - Types of Exception Interrupts in ARM **RESET** When the processor reset pin is valid, the system generates a reset exception interrupt, and the program jumps to the reset...[Details]
After the P40 was released in China, Yu Chengdong said in an interview with the media that this phone no longer has any Google products, and Huawei phones do not need to use American components becau...[Details]
Research organization TrendForce said that due to
the limitations of
LED
lighting
products, such as the incompatibility of lamps, the lack of brightness of bulbs, the difference betwee...[Details]
On October 24, Bloomberg reported yesterday that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips.
Today, analy...[Details]