The microcontroller I use is STM32F103RBT6, 128K flash. I want to save data when power is off. The flash has a page of 1KB, and I want to divide it into 30 parts, each with 32 bytes of data. The data ...
[i=s]This post was last edited by qiushenghua on 2015-11-16 17:55[/i] Previously in [url=https://bbs.eeworld.com.cn/thread-477088-1-1.html][b][color=#ff8c00]"【USB Type-C Series】Reading Blogs, Initial ...
Operational amplifiers (op amps) are the cornerstone of the entire analog circuit design. Choosing an appropriate amplifier is crucial to achieving system design specifications. Considerations: 1. Op ...
[size=4]In MSP430 microcontroller, one clock cycle = the inverse of the MCLK crystal oscillator. If MCLK is 8MHz, then one clock cycle is 1/8us. [/size] [size=4] [/size] [size=4]One machine cycle = on...
My idea is to use: AD sampled voltage 0x7ce/AD reference voltage = PWM duty cycle x/PWM period if (ADC12MEM0 > 0x7CE) x = x - 5; else x=160; if (ADC12MEM0 < 0x7CE) x = x + 5; else x=160; But it doesn'...
Although the frequency division program is simple, I think it is an inevitable stage of learning to go from the simple to the difficult, and we will naturally grow up slowly. So if you have time, ever...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[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]
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]
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]
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]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[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]
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]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
This paper first proposed an elevator controller algorithm based on a finite state machine, and then designed a three-story elevator controller based on the algorithm. The correctness of the elevat...[Details]