The differences and similarities between detection circuits, filter circuits, frequency selection circuits, threshold comparison circuits, and bandpass circuitsI have been studying circuits for so lon...
I connected the red test lead to pin 46 (the pin that generates PWM) and the black test lead to gnd on the board, but the oscilloscope did not display a waveform and the PWM indicator light was flashi...
[align=left][color=rgb(0, 0, 0)][font=Verdana, Arial, Helvetica, sans-seri][size=14px] There are three common ways to connect segment code LCD screens: 1. Metal pins 2. Zebra stripes 3. FPC, etc.; of ...
This vacuum cleaner uses Qorvo's CST32251 chip, which is a highly integrated motor control SoC that integrates power management, 50MHz Cortex-M0 MCU, gate driver, op amp comparator, etc. into the same...
Basic Principles of Robotics by Fang Lijin from Northeastern University : https://training.eeworld.com.cn/course/5410Robot kinematics and dynamics modeling are the key teaching contents of this course...
Discrete component astable multivibrator circuit
The astable multivibrator is a simple oscillation circuit. It can continuously and periodically generate rectangular pulses by itself without the ne...[Details]
The so-called autonomous driving technology basically collects all necessary information through sensors installed on the car body. Therefore, relying solely on these sensors may meet the requirement...[Details]
Preface In the past two years, with the continuous deepening of fuel cell research, the structural model of the fuel cell- lithium battery propulsion system has gradually transitioned from the orig...[Details]
Take the Tektronix TDS2000 series oscilloscope as an example #1 Digital Storage Oscilloscope Glossary 1. Digital is relative to analog, converting continuous analog signals into discrete digital si...[Details]
Apple today released Safari 15.1 beta for macOS Big Sur and macOS Catalina, allowing developers to test Safari updates before they are released. Safari 15.1 is also the version of Safari available in...[Details]
The production of military avionics equipment requires some special steps, such as product acceptance, project certification and unit testing of the delivered products. These require the design and pr...[Details]
Due to the fast and flexible rotation and wide range of zoom of high-speed balls, their application areas are very wide, including buildings, transportation, public security, mining, environmenta...[Details]
Tonight, @Digital Chat Station brought the latest news that two models of the OPPO Find X5 series have been announced online. It is reported that the two new phones announced this time both support 8...[Details]
Bidirectional voltage source high frequency link inverter
The bidirectional voltage source high frequency link inverter topology family is shown in Figure 4. From the perspective of the in...[Details]
This series of articles will combine the energy-saving technologies that have been added to various hardware (including CPUs, chipsets, various latest bus standards such as PCI Express, and periphe...[Details]
I learned about dot matrix display a few days ago, and today I will summarize it according to my own ideas. First, let me introduce the display principle of dot matrix. The circuit diagram of dot mat...[Details]
1. Test data is discrete
The discreteness referred to here is a more serious degree, and the test values of the same material can differ by several times. This situation often occurs in the pow...[Details]
Turn on the low voltage display meter. If the LCD display is fuzzy or unresponsive, it means that the battery voltage inside the meter is low and needs to be replaced. The specific steps are as fol...[Details]
In today's world, smart hearable devices have become a popular trend. As the headphone market continues to grow, consumers' demand for AI-ANC and AI-ENC (environmental noise cancellation) noise red...[Details]