When adding 10M ohm feedback resistor to the OPA314 sensor signal amplifier circuit, 50HZ signal interference occurs. What is the reason?When the feedback resistor is changed to 100K, the signal inter...
Jixin STM32 Smart Car : https://training.eeworld.com.cn/course/5525Explain the design and production of smart cars based on STM32 in modules, and analyze the code...
To summarize briefly, first of all, I would like to thank EEWORLD and Qinheng Company for providing me with the opportunity to conduct this review. In particular, a staff member of eeworld called me t...
The basic principle of pulse width modulation (PWM): The control method is to control the on and off of the switching devices in the inverter circuit so that a series of pulses with equal amplitude ar...
This article is translated from Microwaves101 | Microwave Rules of Thumb, which summarizes some rules of thumb in microwave circuits. The so-called rules of thumb are some rules summarized over a long...
The original night vision camera of Audi is broken, and I am going to buy a thermal imaging night vision camera on the market. How can I connect the CVBS and LVDS video signals to the meter screen of ...
1. Measurement techniques (if no explanation is given, the pointer meter is used):
1. Measure speakers, headphones, and dynamic microphones: Use the R×1Ω range, connect one probe to one end, and ...[Details]
For some power devices (power transistors, VDMOS, IGBT, etc.), by regularly powering on and off the components and cyclically applying electrical stress and thermal stress, their ability to withstand...[Details]
3.7V lithium battery power supply is still the mainstream mode of portable speakers at this stage. In order to increase the output power under the premise of limited battery voltage, the amplifier ...[Details]
Fast Technology reported on July 31 that compared to charging, a major advantage of battery replacement is that it is a non-sensing operation. You can start your car with full power in a short time...[Details]
For people who wear hearing aids, sound is collected by the hearing aid microphone. Obviously, the position of the microphone determines the range of incoming sound, just as the auricle collects and d...[Details]
u‑blox announced the acquisition of IoT communication service provider Thingstream, which provides IoT connectivity solutions using the industry-standard MQTT protocol. MQTT (Message Queuing Telemet...[Details]
0 Introduction
With the expansion of national industrial scale and the development of science and technology, the load structure of power grid has changed greatly. On the one hand, the massive ...[Details]
Recently, Shandong Electric Power Construction has achieved double success in the development of the new energy market. It has signed the EPC general contracting contract for the Ningxia Xinliang T...[Details]
Recently, TCL Technology stated in an institutional survey that the IT market has begun to change since 2019-2020, showing a trend of IT products becoming mobile phones. New display technologies have...[Details]
2-1-1-7. Risks of dual-excitation switching power supply transformers
The above analysis of the working principle of the dual-excitation switching power supply transformer is based on the ...[Details]
Introduction Devices based on USB interface are easy to use and cost-effective, so they have been widely used in people's work and life, such as U disk, mobile hard disk, optical drive, USB camera, ...[Details]
1. There are two types of PIC interrupts:
2. RB port level change interrupt (PORTB port is a very special port of PIC microcontroller, PIC16F1937)
...[Details]
Bootloader is one of the most distinctive features of AVR microcontrollers. Now we will start testing the Bootloader on ATmega328P Xplained mini, of course, it is the AVR universal Bootloader.
Beca...[Details]
According to foreign media reports, US senators recently severely criticized Apple and Facebook's data encryption practices and threatened to regulate the technology unless the two companies provide ...[Details]
1: Source
When we learn ARM embedded development, we usually come into contact with ADS1.2 and kei project templates. These templates are a blessing for beginners, but if you want to learn mor...[Details]
Analog electronics
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