Bought a wifi module and it just arrived this week.
Since I have to go back to my hometown for New Year's Day, I don't have time to adjust. I have to take a week off this week. Sorry.
The wifi functio...
The adjustable power supply composed of LM317 has the following two problems:
1. What is the function of the circuit composed of VQ1 and R3 in the figure?
2. What is the function of VD2 in the picture...
1. DIP switch
This is a cross section of a plain old DIP switch. There are four groups of switches in this component. This is one of the switches.
This is the annotated version. It looks very simple. ...
After a circuit board is soldered, when checking whether the circuit board can work normally, it is usually not powered on directly. Instead, follow the steps below to ensure that there are no problem...
Application scenario: The switch uses MOS 47N60 or IPW60R045CP, and it is best if both can be driven. The driver supply voltage is 12-15V. [/backcolor][/color] [color=rgb(85, 85, 85)][backcolor=rgb(25...
Embedded systems are application-centric and based on computer technology. The software and hardware can be tailored to meet the strict requirements of the application system for function, reliabil...[Details]
This time I will talk about how to implement Nor Flash upgrade. Nor Flash's DFU project is modified based on the previous flash DFU project. The project directory is as follows: The Nor Flash chi...[Details]
Recently, Power Integrations (POWI), a company specializing in high-voltage drivers for offline LED lighting, released a new reference design (DER-278) based on the company’s single-stage LinkSwitc...[Details]
General Motors researchers are developing a new technology that would create a wireless safety network through small portable devices to alert drivers to potentially dangerous situations.
...[Details]
People are paying more attention to automobile safety, and high-tech applications in automobiles are emerging one after another. Lane Departure Warning (LDW) system is one example. Experts point ou...[Details]
Flyback converters are widely used in low-power applications due to their simple circuits. However, due to the presence of transformer leakage inductance, excessive voltage stress is caused on the ...[Details]
According to foreign media reports, wolfSSL, a supplier of encryption and network security products, announced the launch of a new product, wolfHSM. Automotive HSM (Hardware Security Module) greatl...[Details]
Common ARM instructions 1: data processing instructions •Data transfer instructions mov mvn mov r1, r0 @Data transfer between two registers mov r1, #0xff @Assign the immediate value ...[Details]
Wall Street analyst Robert Castellano said in his article that TSMC’s value is seriously undervalued. TSMC makes AI chips from Nvidia ( NVDA ), as well as chips from Advanced Micro Devices ( AMD ) an...[Details]
The clock design of STM32 is relatively complicated, and the clock tree is shown in the figure: 1. When the system is powered on, the internal HSI (8M) is used as the clock source by default. The ...[Details]
Testing packaged devices using test fixtures
Keithley's 8010 high-power device test fixture, together with the 2651A and 2657A high-power system digital source meters, completes the power semico...[Details]
The main function of a handheld computer stylus is to input handwriting and "point" on the touch screen of the handheld computer. After using it for a few days and researching the original stylus ...[Details]
According to foreign media reports, German luxury car manufacturer Mercedes-Benz has launched a new generation of smartphone applications. The new application allows car owners to always be connected...[Details]
Engineers engaged in motor control and power supply design often encounter the need to measure motor phase current and inductor current, so have you ever encountered the trouble of not having a curre...[Details]
stm32/stm8
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