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'...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Embedded System
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