[i=s]This post was last edited by nemo1991 on 2015-3-31 18:13[/i] [align=left][color=#ff8c0][size=6]The study notes use F28069 as an example, but it has universal significance and can be used as a ref...
I am making a guitar tuner product, but I can't find a good way. I used the 16-bit timer of an 8-bit microcontroller to collect the following data (the time of the high and low levels from the compara...
[size=4] I have recently been using stm32f103 to communicate with a device via SPI. This device requires a 16-bit data format. I used the ST official firmware library to compile a program, using SPI1 ...
As shown in Figure 1, we can see a 485 self-transceiver circuit. Figure 2 is the PIN definition of the 485 chip. During the data transmission process, when TXD sends 0, the transistor is not turned on...
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
Many industrial fields such as industrial automation, logistics, and smart grids require that machinery and products be safe and have passed functional safety certification. When developing machine...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
O Introduction
For people who are in the wild, a question that they are more concerned about is the altitude of the place where they are. However, there are very few such products on the mar...[Details]
Motor vehicle garage management and control system
I. Usage requirements
1. There are 70 parking spaces in the garage, and each parking space is equipped with a door at the entrance. Ther...[Details]
Commonly used power management chips for portable products
●Low Dropout Regulators (LDO Linear Regulators)
LDO
VLDO;
●DC/DC Converters based on inductor energy...[Details]
Due to work needs, I need to implement square root operations on a single-chip microcomputer. Currently, most square root methods use Newton's
iteration method. After checking some information,...[Details]
Last week, Microsoft's Windows Phone 8 system was launched with great fanfare and attracted much attention from the industry. However, Nokia, the most staunch supporter of Microsoft's Windows Phone sy...[Details]
At present, the common motorcycle brake light source is still dominated by incandescent lamps, and the red light distribution lens is added to achieve the light distribution requirements. The disad...[Details]
Introduction
RS422 is a widely used standard bus in serial communication. It can easily connect various computers, external devices, and measuring instruments to form a measurement and control ...[Details]
LED lighting
offers many advantages
over current automotive interior and exterior lighting solutions,
such as higher performance, longer life, and lower cost, and it also improves the aesth...[Details]
In the construction of IDC computer rooms, the construction of power systems is undoubtedly the top priority. The development of various businesses and the stable operation of various servers are inse...[Details]
FPGA/CPLD
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