The OP's laptop is a thinkpad T510, which has been with me for a few years. The appearance has not changed much. If I just watch movies and read the news, there is no pressure at all. But the OP is a ...
[i=s]This post was last edited by dcexpert on 2022-6-6 09:41[/i]Overview
The CH32V305/7 series is an interconnected microcontroller based on the 32-bit RISC-V design. It is equipped with a hardware st...
As shown in Figure 1, this is the internal diagram of the SG2525 driver chip
[1] As mentioned in Figure 2 (yellow line), the output of the oscillator inside Figure 1 is divided into two paths. One pat...
Aluminum electrolytic capacitors have long been a popular choice for power supplies because of their low cost. However, they have a limited lifespan and are susceptible to extremes of high and low te...[Details]
Keil C51 is a compiler compatible with ANSI C. The ANSI C specification stipulates that the default data type of a decimal integer constant is one of int, long int, and unsigned long int. Which type o...[Details]
Introduction
The verification of the parameters of standard resistors after production is currently generally carried out in China by direct measurement or substitution with the same nominal valu...[Details]
Enter the kernel source code path /usr/src/linux-2.4 A) make mrproper //Clean up the kernel source code tree. If this is the first time to configure the kernel, you do not need to run it. ...[Details]
High impedance state is a common term in digital circuits, referring to an output state of the circuit that is neither high nor low. If the high-impedance state is input into the next-level circuit...[Details]
1. Interrupt handling process First we need to initialize the interrupt, which is mainly divided into the following three parts: Set up the interrupt so that it can send an interrupt signal, Set up...[Details]
//Redefine function 1 PUTCHAR_PROTOTYPE { /* Place your implementation of fputc here */ /* eg write a character to the USART */ USART_SendData(USART1, (uint8_t) ch); /* Loop and wait until th...[Details]
Pure Storage helps financial services industry harness the power of data and improve customer experience Nine of the world's top ten investment banks, seven of the top ten asset management companie...[Details]
The current probe converts the magnetic field generated by the movement of electrons in the conductor into a linear voltage output within the measuring range. By measuring the voltage value, the curr...[Details]
Although Xiaomi's first car has not yet been launched, Xiaomi's electric car territory is ambitious: the goal is to be in the top five and annual sales are 10 million. "Compared with fuel vehicles,...[Details]
Parallel I/O port expansion example // "51 Single Chip Microcomputer Principles and Applications (Second Edition) - Based on Keil C and Proteus" Chapter 4 Example 4.4 The I/O port cannot be fully use...[Details]
I searched online and some said it was __asm{NOP;}, which is called from intrinsics.h, but I searched everywhere and didn't see any intrinsic.h file. If I use it directly, I get
error: #1113: Inline ...[Details]
Recently, I learned the driving principle of stepper motors. I practiced it myself according to the textbook and used ULN2003 to drive 28BYJ-48 two-phase five-wire stepper motors. It can rotate norma...[Details]
According to Nikkei News, people familiar with the matter revealed that after the US Department of Commerce announced the latest ban, TSMC has stopped accepting new orders from Huawei. Existing order...[Details]
Soft starters and frequency converters are two different electrical devices, and they have some obvious differences in appearance.
Size and shape
There are obvious differences b...[Details]
MCU
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