Although this document is based on the firmware library V3.0.0, it is also applicable to the firmware library V3.1.0.Please download the attachment, unzip it, and click the file Using_STM32_Firmware_L...
The process can manipulate the Linux scheduling policy through sched_getscheduler() and sched_setscheduler(): #include
struct sched_param{ int sched_priority; }; int sched_getscheduler(pid_t pid); int...
The carrier frequency generated by the AT89C51 timer interruption cannot reach 38K, but only about 12K. What is the reason? And the count part endcount=223, generating a 9MS start code, how is this ca...
Three special waveforms are generated by MSP430F5438a. In order to ensure the accuracy of the waveform, there must be enough points. The digital value of the waveform is calculated internally through ...
[table] [tr][td][font=微软雅黑][size=14px][size=7.5pt]NAND Flash is divided into three types: SLC (Single-Level Cell), MLC (Multi-Level Cell), and TLC (Triple-Level Cell). [/size][/size][/font] [font=微软雅黑...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]