I am a newbie who is learning PCB design with Altium Designer. I find it difficult to learn the information about four-layer and six-layer boards in the forum. It would be great if there were some exc...
The string length is 6 bits. Convert it to 6-bit hexadecimal and send it from the serial port. For example, 123456, the serial port sends 01 E2 40, 000011, the serial port sends 00 00 0B. Can someone ...
I recently started debugging the CAN bus and found that the STM32-SK development board connected CAN_TX and CAN_RX to two ordinary GPIOs (PB8 and PB9). I was curious about how two ordinary GPIOs can i...
This is a verification board. The error is because the minimum spacing was changed when making a homemade PCB board. Please don't mind.
L3 and L4 should be 120nh in theory, but since they were not ava...
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It is divided into two parts: 1. The resident program (including main) needs to realize the serial communication function, that is, wait for the PC to send the binary file bin of the user program (inc...
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
With the rapid development of the IT industry, the demand for small DC cooling fans with PWM control (hereinafter referred to as fans) used in electronic products is increasing. This type of DC fan...[Details]
1 Introduction
Max+PlusⅡ is an integrated FPGA/CPLD development environment provided by Altera. It can independently compile simple VHDL programs. However
,
the
automatic elevator contro...[Details]
LED (Light-emitting diode) is widely used in indication, display and other fields due to its advantages such as long life and low energy consumption. Reliability, stability and high light output ar...[Details]
Beijing time, July 2 morning news, Google last week released its own brand tablet computer Nexus 7, equipped with its latest operating system Android 4.1 "Jelly Bean". But market research firm Ovum sa...[Details]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]