PWM is the first letter of the English word "Pulse Width Modulation", we can call it pulse width modulation, which mainly uses a single-chip microcomputer to control analog circuits. For example, PWM ...
The flyback conversion principle derived from Buck-Boost is shown in Figure 1. Since the circuit is simple and can provide DC output efficiently, it is particularly effective for multi-channel outputs...
My colleague Xiaobai has been feeling upset and nervous lately. In her words, "Every time I open my eyes, I think about the lawsuit. I am always worried about things that are not even remotely related...
Reposted from: deyisupport [align=left][color=#000]The desire for speed is always growing, and the transmission rate doubles every few years. This trend is common in many modern communication systems ...
According to my plan, I should design a voltage regulator using the design tool. So that it can be used with a single-chip microcomputer. I think the most commonly used single-chip microcomputer is 5V...
When talking about Chinese chips, Ni Guangnan is indispensable. Let’s learn more about the relevant content with the embedded editor.
Since he co-founded Lenovo in 1985, Ni Guangnan has been s...[Details]
Profit growth of 85% in 2017, target revenue of 12.5 billion yuan in 2018: The company released its 2017 annual report, achieving revenue of 8.886 billion yuan, a year-on-year increase of 48.01%; prof...[Details]
In 2017,
Sanan Optoelectronics
achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[Details]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
This small program is still the use of timer, which is relatively simple. The specific parts are noted in the comments, please refer to the comments. /*********************************************...[Details]
I encountered a problem when debugging the STM32 system clock setting: TIM2 timing 1Ms, TIM2 interrupt service function time++, LED state changes when time=100. After the program runs, I found that t...[Details]
STM32 has three startup modes. In RM0008 downloaded from the ST official website, you can find the startup-related configuration instructions: Translated into Chinese: The storage media corresp...[Details]
If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]
Microcontroller programming: Find the maximum number and store it in the BIG unit. Assume that the internal RAM stores a group of unsigned numbers starting from the LIST unit, with the number of data...[Details]
First of all, let's talk about the 19264 screen The 1926 screen is composed of 3 64*64, 64 rows and 192 columns, of which 192 columns are 64+64+64 = 192 They have CS1 CS2 CS3 controls respectively ...[Details]
On January 30, the Tai'an Sports College coal-to-electricity thermal storage heating project designed and constructed by Shandong CITIC Energy successfully passed the acceptance. The acceptance tea...[Details]
In the first quarter of 2014, Inspur's
server
shipment market share reached 19%, ranking first in China and fifth in the global market. This is the first time a Chinese manufacturer has ach...[Details]
The chip is EM78P153 ; P64, P65 are connected to the crystal oscillator, the oscillation mode is 4MHz crystal oscillator ; the watchdog is off, the instruction cycle is 2 CLOCK, and P63 is the rese...[Details]
The two-byte compressed BCD code is converted to a two-byte binary number. The algorithm is as follows: BCD code abcd=1000a+100b+10c+d=10{10 +c}+d. After separating each BCD code, it can be converted...[Details]
Microcontroller MCU
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