Source: [url=http://www.daxia.com/bibis/moredata_1638443.shtml]http://www.daxia.com/bibis/moredata_1638443.shtml[/url] The DX32 on hand does not have a small 128*64, but I happen to have a 128*64 in t...
I am a novice, this is my first program to debug, but I keep getting errors. It's so frustrating! The program is as follows: AREA ||.text||,CODE,READONLY main PROC STMFD sp!,{lr} ADR r0,strhello BL _p...
[i=s]This post was last edited by dontium on 2015-1-23 11:43[/i] Article link:[url=deyisupport./blog/b/signalchain/archive/2013/12/19/51603.aspx]deyisupport./blog/ ... 13/12/19/51603.aspx[/url] [img]d...
I am currently using PIC18F67J11. I want to know what the highest frequency that this microcontroller can output when the pins are flipped at the highest frequency. I am currently using an internal 8M...
I want to write a keyboard driver. First, I define a global variable "volatile UINT32 g_keyIntIrq" in src/common/intr.c to record the pin where the interrupt occurs. How can I use this variable in my ...
This week I started to learn how to port and use uCOS-II. I have a LM3S9B95 board that I made myself. I downloaded a LM3S9B92 example from the official website, and compared the code while reading Ren...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
stm32/stm8
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