When doing hardware projects, there may be dozens or even hundreds of chips to choose from to complete a function, but we don’t know in advance which chip is the most suitable in terms of cost and per...
1. The transformer lead numbers on the transformer drawing, PCB and schematic diagram must be consistent. [/b] [/size][/font][/color][/align][align=left][color=rgb(51, 51, 51)][font=-apple-system-font...
[i=s]This post was last edited by Rambo on 2020-3-12 11:55[/i]These days, the most powerful people on the street are the security guards in public places and the staff of various residential communiti...
I don't know why the original post was lost, so I'm posting it again. I've released a wave of development boards after graduation. 1. CC2650 launchpad, 150 yuan free shipping, almost new2. msp432 luan...
Question for the 18th time The red arrow 1 in Figure (03) of this article points to the stage when the power switch tube is turned on. When the power switch tube of the flyback converter is turned on...
With the development of science and technology, the relationship between power electronic equipment and people's work and life is becoming increasingly close, and electronic equipment cannot do w...[Details]
2. Section 2 Several important library functions
1. 1. Special register include file
For example, 8031 and 8051 both have REG51.h, which includes all 8051 SFRs and their bit positions. 2. 2. Absol...[Details]
There are actually many factors to consider when choosing a DC power supply, especially a programmable high-power DC power supply. There are also many parameters involved, which often make people fee...[Details]
1. DC current part The moving coil should be installed correctly, and there should be no ferromagnetic material in the moving gap. If the shunt resistor is burned out, it should be replaced accor...[Details]
Recently, Continental received two honors: its 3D display with touch function specially developed for car center consoles won the 2020 German Innovation Award in the "Excellent B2B Enterprise" catego...[Details]
The microcontroller has limited external interrupts, only two, which may not be enough in some system designs. Here is a relatively simple method to expand external interrupts. The inspiration comes f...[Details]
Abstract: As an important household appliance, air conditioners always bring us comfort in summer, but we often wonder why air conditioners have such high power consumption even though their cooling ...[Details]
Thirty years ago, the use of Micron's 16kb EEPROM in the powertrain became the biggest change since the Ford Model T rolled off the assembly line. In the following thirty years, Micron has been deepl...[Details]
Whether you use a buck, boost, buck-boost or linear regulator to drive the LED, the common idea is to use the driver circuit to control the light output. Designers have two main choices: linearly a...[Details]
Today, Xiaomi's Redmi product director Wang Teng showed off a new phone - Redmi Note 11, which means that this new phone will be released soon. Previously, blogger @数码闲聊站 revealed that the hi...[Details]
Problem 1 Description: After moving the source code of the SmartARM2300 MCU development board to Keil and building the project, the first problem encountered in compiling is “error: #147-D: decl...[Details]
The pins of STM32 can be set to: normal IO function, multiplexing function, and remapping function. Normal IO function and multiplexing function are used more frequently, so they will not be describe...[Details]
On the morning of September 22, today, the well-known foreign disassembly station iFixit disassembled the recently released Apple Watch Series 6. Although the new Series 6 is very similar to t...[Details]
introduction
The three-dimensional rotating LED, also known as POV LED, is an electronic product that uses the persistence of vision effect of the human eye to display graphics, animations and ot...[Details]
DIY/Open Source Hardware
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