Remote control airplane, electric car, motorcycle anti-theft device, flashlight, and other single chip computer development [b][color=#5E7384] This content is originally created by EEWORLD forum netiz...
Why do I/O ports of microcontrollers need drivers? This question needs to be explained from the electrical characteristics of I/O ports.
First, the electrical structure diagram of the typical I/O po...
Half a month ago... Yes, it was half a month ago. I listened to the encouragement of the group owner and car friends, and I modified the HUD head-up display. I wanted to post it at that time, but I wa...
[i=s]This post was last edited by Baboerben on 2022-1-12 14:16[/i]Make a boost circuit. Input 12-241VAc, output 36V 2A. When testing, it is found that the VCC of the chip fluctuates by about 400mv. Wh...
This article introduces a method based on the Zongke Intelligent Control IoT Cloud Box to transmit a large amount of data, programs and images of industrial equipment in different areas of the custome...
Traditional coin-operated telephones use several pairs of infrared transmitting and receiving tubes as sensors, and use the coin shading principle to roughly measure the diameter of the coin. This ...[Details]
This article mainly introduces the circuit design principle and circuit board production method of LED dot matrix Chinese character display screen controlled by 89c51, which is helpful for beginners ...[Details]
Five-way frequency circuit
When the counting pulse is input from INB, QB, QC, and QD are output, forming a quinary counter (also called a five-frequency division circuit), as shown in Figure 2-3...[Details]
How to write UART program? 1. Serial port initialization Step 1: Set the pin ① Set the pins for the serial port. GPH2, 3 for TX0, RX0 Clear the bit, then set ② Set TX0 and RX0 internal pull-up, that ...[Details]
Recently, I was learning about the u-boot porting of MINI2440. When adding the function of burning the yaffs2 file system, the instructions found on the Internet were relatively general, and they all...[Details]
1. PIC32 Reference Resources PIC32 Family Reference Manual Chinese version Link address: PIC32 Family Reference Manual Chapter 16 Output Compare 2. Introduction to PWM mode When the control bits O...[Details]
In the first quarter, panel companies from Taiwan and South Korea released their performance results, which showed that AUO and Innolux from Taiwan and Samsung Display and LGD from South Korea all su...[Details]
WiFi (Wireless Fidelity) mobile phone is a new VOIP phone based on WiFi technology. This phone can convert analog voice signals into data packets, and transmit them through hotspots (Access Point) to ...[Details]
The target platform AT91SAM9G20 used in this article is a SoC embedded microprocessor developed by Atmel using the ARM926EJ-S processor core. It has a main frequency of 400MHz and has Atmel's adva...[Details]
When engineers use an oscilloscope to measure the output signal of a switching power supply, they often find that the signals of the two measurement channels interfere with each other (crosstalk). In...[Details]
I2C bus is widely used in all embedded systems and is an industrial-grade bus. However, since STM32 is a 32-bit MCU, its I2C hardware interface is destined to be powerful, but also difficult to contr...[Details]
According to Jiwei.com, the U.S. government is negotiating with Intel and TSMC about building factories in the U.S. TSMC said that it is continuously evaluating the establishment of factories oversea...[Details]
On the morning of July 8, some codes in Apple’s iOS 14 beta system indicated that Apple is developing a feature that may include QR code payment in Apple Pay. After upgrading to the second be...[Details]
According to the Financial Times, Microsoft is seeking to acquire TikTok's global business, including TikTok India and Europe. In response to foreign media reports, ByteDance officially stated that t...[Details]
Recently, Beijing Puneng received a letter of thanks from the Ganzi Demonstration Energy Storage Project Department of State Power Investment Corporation, which expressed praise and affirmation for...[Details]
PCB Design
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