The program I wrote used to run well, but now it suddenly stops running. I found during online debugging that it often executes to P2OUT = 0xff; not sure, sometimes it is P4OUT = 0xff; and then "could...
In view of the nonlinearity, time-varying and uncertainty of pH value objects in sewage treatment, the designed sewage treatment pH value control system adopts fuzzy adaptive PID control method and us...
[b][size=4]Altium Designer-PCB Design Introduction (I)[/size][/b][size=4] [/size] [size=4]Author: pcb2008[/size][size=4] [/size] [size=4][b]Overview[/b] This chapter aims to explain how to generate ci...
How does AMD's speed test cable measure speed and temperature (no information available), is it like the one-wire output of DS18B20? What is the output format? Is it temperature or humidity first? Wha...
I would like to ask you, standard MC34063A step-down, 8V input, voltage division 1.56K and 4.7K, output 5V to drive 4-digit digital tube, set to display 38.88, the chip temperature rises slightly, the...
Probing Technologies Inc. is the designated agent of many North American fiber optic sensor manufacturers in mainland China, specializing in providing various fiber optic sensor technology services, p...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[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 to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[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]
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]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Microcontroller MCU
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