I want to make a digital tube that flashes and displays numbers. When a key is pressed, the number at the time of pressing the key remains unchanged. This way, the program will always execute alight w...
μC/OS is a real-time multitasking kernel developed by Jean J.Labrosse, originally written for Motorola 8-bit processor 68HC11. In later related works, the author ported the code to PC to make it easie...
My stm32f303re nucleo burned up when connected to an external power supply for some reason. I bought a stm32f303re nucleo. It seems that nucleo64 is pin-compatible, so other ones are also fine. Price ...
If I set the AVR fuse to use an external clock but don't provide it with an external clock, the chip will not work. Then I disconnect the power supply, connect the chip to an external crystal, and the...
Valve-regulated lead-acid batteries for electric bicyclesAir pollution has caused harm to people's health. The exhaust gas emitted by motor vehicle fuel is one of the main causes of air pollution, esp...
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
The 8051 microcontroller is the most common microcontroller we have. I have been using 8051 for a long time and have also taught microcontroller courses for a period of time. Here I would like to s...[Details]
1 Introduction
In the process of crude oil pipeline transportation in the oil industry, crude oil needs to be handed over between enterprises, so flow meters are widely used. The measurement ac...[Details]
1 Introduction
The early stage control system used relay control. Due to the large number of stage equipment, the number of control elements is huge and the wiring is complicated. Therefore, th...[Details]
In the design of multi-channel passive radar signal processor, the author used DSP chip
TMS320VC5409
to control the interface circuit of four DDC chips HSP50214B, and studied the ke...[Details]
51mcu
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