Electronic door guardAuthor: cruelfoxI. Introduction of the Work Title: Electronic Door Guard. The idea is to use RSL10 with a low-power accelerometer, attached to the back of the door panel, to coll...
cruelfoxonsemi and Avnet IoT Innovation Design Competition
[i=s]This post was last edited by gaoyang9992006 on 2020-2-16 12:59[/i]Speaking of this board, it was ten years ago. Ten years ago, I just went to Harbin to study and bought a 51 development board in ...
gaoyang9992006Special Edition for Assessment Centres
According to the latest announcement issued by SMIC, the company has signed a cooperation framework document with the Beijing Development Zone Management Committee, and both parties intend to jointly ...
1 IntroductionJPEG2000 is a new generation of international standard for still image compression. It has excellent image compression performance and high image quality. It not only overcomes the disad...
Recently, C&D Clean Energy, a clean energy solution provider under C&D Holdings, announced that it has signed an inverter product integrated supply chain service agreement with Zorlu Enerji, a lead...[Details]
1. Impulse response principle
A "perfect" square wave pulse contains the amplitudes of countless odd-order sinusoidal harmonic components, as shown in Formula 1:
(Formula 1)
Ther...[Details]
Preface:
At present, the design and manufacturing steps of vehicle wiring harnesses are mostly based on engineering drawings provided by foreign countries. Therefore, when the design changes, ...[Details]
1. Circuit Principle
This circuit uses 89C2051 single-chip microcomputer to design the hardware circuit as shown in Figure 1. AT89C2051 has 2k bytes of flash programmable erasable read-only me...[Details]
Ethernet is a very important peripheral communication interface for personal computers and consumer electronics. With the emergence of the new generation Ethernet protocol 10GBASE-T, while the tran...[Details]
In the STM8 library function development method, there are many types of serial port interrupts, which are defined in the header file as follows: typedef enum { UART1_IT_TXE = (uint16_t)0x0277, /*!...[Details]
0 Introduction
Modern industrial production is characterized by comprehensiveness, complexity, large-scale and continuity, and a large number of sensors are used to monitor and control the pr...[Details]
Integral Nonlinearity (INL) The maximum deviation of a conversion result code from a straight line through the endpoints of its transfer function. The transfer function endpoints are the points 0.5 L...[Details]
The serial port working modes 2 and 3 belong to multi-machine communication mode. Take mode 3 as an example;
Mode 3 is a 9-bit data asynchronous communication mode (plus start and stop 11 bits), the ...[Details]
As power engineers, we often have close contact with electricity in our work. Safety is a cliché, but people always become indifferent and lazy. This requires us to not only have a sense of safety, b...[Details]
Differential pressure flowmeters are widely used for flow measurement of blast furnace gas. As a flowmeter manufacturer, Shanghai Nosa Electromechanical recommends differential pressure flowmeters wit...[Details]
Recently, Mr. Li, a Keithley maintenance expert at Antai Maintenance Center, repaired a K2000 faulty multimeter; fault description: it can be turned on normally, but the measurements are all OV. The ...[Details]
Adding speech and sound generation to a product can greatly improve its usability and marketability, and does not require the addition of a separate digital signal processor (DSP) or specialized au...[Details]
The Sample and Hold (S/H) function is fundamental to the data acquisition and analog-to-digital conversion processes. The S/H amplifier circuit has two different basic operating states. In the first ...[Details]
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