I recently bought a HUB on Taobao. The merchant showed it as a HUB3.0 expansion dock. After testing, I found that it could not measure 3.0 data. After disassembling it, I was able to reveal its true a...
Although overflow cannot be completely avoided during program development, it poses a huge threat to the system. Due to the particularity of the system, when overflow occurs, attackers can exploit its...
Three issues about LDO load regulation, linear regulation and voltage drop1. Is the calculation of LDO load regulation and linear regulation the same as that of switching power supply? Is linear regul...
As the title says, when moving a component, the following picture is displayed. Multiple components are locked together for movement. How to unlock this lock?...
Voltage references and current references are often used in analog circuit design. These references are little affected by power supply, temperature or process parameters, and provide a relatively ...[Details]
As the number of medium power (1W to 4W) LED string applications increases, the demand for compact, high efficiency, high performance LED drivers has also increased. The LT3519 LED driver meets t...[Details]
Huawei's next-generation nova series chip phones are coming. According to reports, the Huawei nova 10 series will be equipped with the same chips as the nova 9 series, but there will also be new ch...[Details]
On June 12, Hunan Southern Sponge Development Co., Ltd. and China Electronics Systems Technology Co., Ltd. signed a contract. At the meeting, relevant company leaders also introduced the proj...[Details]
In view of the fact that the early motorcycles did not have fuel indicators, we now introduce an oil level indicator assembled with light-emitting diodes, so that the rider can grasp the oil level ...[Details]
OPPO Find X5 series phones have been confirmed to be equipped with MediaTek Dimensity 9000 and Snapdragon 8 Gen 1 processors. Today, the whistleblower @数码闲聊站 said that OPPO's spring new produ...[Details]
The spectrum analyzer has a wide frequency range and high sensitivity, and is very suitable for measuring the frequency distribution of communication equipment and links. The main disadvantage is tha...[Details]
What is the difference between Atmega328p-pu (Arduino-URO main control chip) and Atmega16A-PU The biggest difference between Atmega328p-pu and Atmega16 is their different FLASH capacity, the form...[Details]
The program is compiled successfully on ADS1.2. The relevant settings on ADS are as follows: After starting DNW, set up the following: LED1~LED4 correspond to GPB5~GPB8, the address of GP...[Details]
Recently, Xiaomi announced on Weibo that Xiaomi 12 Pro will be the world's first to launch the Sony IMX707 sensor. From the parameters, IMX707 adopts 1/1.28-inch ultra-large bottom, 2.44um fusion ...[Details]
A hotly debated topic regarding single-supply op amps is whether they can operate with rail-to-rail input or output. Vendors of single-supply op amps all claim that their
amplifiers
have ra...[Details]
According to foreign media reports, self-driving cars are not yet ready for large-scale commercial deployment, but as technology advances, most companies hope to develop multi-layered safety technolo...[Details]
Commonly used LED displays include LED status displays (commonly known as light-emitting diodes), LED seven-segment displays (commonly known as digital tubes), and LED sixteen-segment displays. Lig...[Details]
1 Use of action flags In the whole control, there are many combined actions. When all action positioning is controlled by photoelectric switches, there are some problems in programming. For example...[Details]
These details are not explained in the original reference manual of STM32F4, but are listed briefly.
I finally figured it out by checking the interface library that ST just released a few days ago, s...[Details]
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