STM32 clock systemAdded startup code in keilZSorry I don't know much about assemblyIMPORT SystemInitIMPORT __mainLDR R0, =SystemInitBLX R0LDR R0, =__mainBX R0ENDPWhat does this entrance mean?One more ...
I wrote a class that is derived from CWnd, and the content is not much. One of the default constructors and the destructor is to initialize variables and release resources. It works fine in the debug ...
MCU Tutorial: Introduction to MCU Programming I [url]http://bbs.huazhoucn.com/Topic.aspx?id=1313[/url] MCU Tutorial: Introduction to MCU Programming II [url]http://bbs.huazhoucn.com/Topic.aspx?id=1314...
if( !DeviceIoControl( hDisk, // handle of the usb function controller IOCTL_BUS_ACTIVATE_CHILD, // how to set the parameters of this IO NULL, 0, NULL, 0, NULL, NULL) )...
Low power consumption is a very important indicator of MCU. For example, some wearable devices have limited power. If the entire circuit consumes a lot of power, the battery will often be insufficient...
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]