II. Relay-related knowledge (8) 1. What is compound rectification? 2. Briefly describe the composition and working principle of an uninterruptible power supply (UPS). 3. What is the role of transforme...
[i=s] This post was last edited by Five plus one equals six on 2017-1-24 16:49 [/i] As shown in the figure, pins 1 and 2 are the controlled terminals (DC), and pins 3 and 4 are the control terminals (...
As the title says, I use ADC3 to sample PB1 (AIN9) but the result is always 0. There is no problem using other channels with ADC3 (tried 0, 1, 10, 11, 12, 13). There is no problem using ADC1 to sample...
My FIR filtering code#define M 16 /*number of coefficients*/#define N 16 /*number of output samples*/COEFS fir_coefs;/*coefficients structure*/int a[N];/*filter output vector* /int x0[N];short x[M+N-1...
(Open door - identify - swipe card - close door) The mechanical part of opening door and identifying door has been completed, and the program control is missing. We are looking for interested parties ...
I was studying Yang Zongde's "μC/OS-2 Standard Tutorial" and found that there was no CD attached. I hope the master can give me an X86 version of the μC/OS-2 project. If any master has the CD of the b...
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
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