1) C is averse to absolute positioning. I often see beginners asking to use _at_. This is a fallacy, treating C as ASM. In C, variable positioning is the job of the compiler. As long as beginners defi...
Hello everyone, I am mainly doing schematics, PCB design, MCU hardware and software debugging. I have a good understanding of C basics, C++, and I have basically forgotten assembly. I don't know Java....
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] With the global trend of energy conservation and consumption reduction and the continuous introduction of energy efficiency sta...
2.1 Introduction to the Perf-V Development Board2.1.1Unboxing the Perf-V Development BoardThe version I bought is the Perf-V Development Board Basic Version. Let’s get straight to the point. See the f...
Company Profile: Hangzhou Gezixiang Network Co., Ltd. was established in early 2011. The founding team is from well-known Internet companies such as Renren, Jifeng.com, and Douban, and has a deep indu...
[font=宋体][size=12pt] 1. Electronic measurement in a broad sense refers to the measurement performed using electronic technology. [/size][/font][font=宋体][size=12pt] The measurement of non-electrical qu...
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]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[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]
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]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[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]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[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]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[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]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]