I can't post it, so I'll describe it here orally. The STC11F02E microcontroller (compatible with 51) uses the P1_0 pin for output, followed by a 10K resistor, followed by the base of the transistor 39...
[i=s]This post was last edited by hwc5201314 on 2015-10-17 10:39[/i] [size=4]Attention! I am still a student, so I can't offer too high a price! [/size][size=4]At the same time, I have a board[/size][...
I have just come into contact with file system filtering. I watched Chu Kuangren's tutorial and gained a lot. Because it only supports FAT file system, I modified it slightly to support NTFS (because ...
I recently made a boost and current expansion circuit using 34063 (as shown below). The input is 5V/500mA, and I hope to output 9V. The output current should be as large as possible. Please give me so...
I wanted to use 2410 in a product, so I bought it to use as a development board. But after I bought the development board, I never made the product.
So the development board has been left there, with ...
[color=#000000][backcolor=rgb(232, 232, 232)][size=15px]STM32F205ZET6 microcontroller uses PA11 and PA12 for CAN communication. The transceiver, whether ISO1050 or TJA1050, is unsuccessful. When sendi...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]