Chapter 4 Fast Fourier Transform (FFT) (FFT) 4. 1 Introduction Fast Fourier Transform (FFT) is not a new transform, but a fast algorithm of Discrete Fourier Transform (DFT). The calculation of DFT is ...
Because the voltage of AD is 0 to 15V after passing through AD595, and the sampling voltage of low-power AD chip is generally in the range of 0 to 5V. So I need to find a way to reduce the voltage to ...
[align=left] A few years ago, I bought a GY-31 color sensor module, which uses the TCS3200 chip. This time, the topic is to use this color sensor module to make a color card password lock. Today, let'...
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[i=s]This post was last edited by paulhyde on 2014-9-15 08:57[/i][align=left][b]I. Determine the task[/b] Develop the minimum system of the single-chip microcomputer[b]II. Task analysis:[/b] The funct...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
Introduction
With the acceleration of China's economic development and urbanization, the amount of sewage in small and medium-sized cities has shown an increasing trend year by year. In order to red...[Details]
1 Introduction
With the development of transmission systems in recent years, multi-motor transmission systems have been widely used in various fields. In order to improve the dynamic performan...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
In recent years, information technology based on microelectronics and computer technology has developed rapidly, and ultrasonic non-destructive testing instruments have also gained unpreceden...[Details]
1 Introduction
The automobile drum test bench (also known as chassis dynamometer) is a large-scale indoor automobile test equipment and a bench test system for completing automobile whole vehi...[Details]
1. Architecture and operation of electronic toll collection system
The basic principle of the electronic toll collection system is to enable a special device (on-board unit) installed on t...[Details]
High-voltage switches are important control equipment in power systems and play an important role in the safe operation of power grids. The resistance of the switch conductive loop is an important tec...[Details]