IoT Technology Practical Tutorial Based on Bluetooth 4_Edited by Mao Jianfei and Zhou Xue
I bought this book and read the peripheral routines in TI's SDK, which said that feature 1 and feature 3 are u...
As shown in the figure below, J1 and J2 are required to be 5V input and J3 is required to be 5V output. When J1 inputs 5V, Q1 and Q2 are turned on and J3 outputs 5V; when J2 inputs 5V, Q3 and Q4 are t...
I use STM32F103VCT6 to drive T6963C and it can display.But it will not display after power off and back on, it must be re-burned before it can display.
I deliberately added a flashing light program in...
[i=s]This post was last edited by wsdymg on 2018-6-27 08:16[/i] [align=left][font=Helvetica,][color=Black][b]static:[/b][/color][/font][/align][list=1] [*][color=Black]In a function body, a variable d...
The sunshine in March is not blazing, on the contrary, it is light, shallow, warm, very soft and beautiful. Sprinkled on the few green leaves, it reflects a trace of light, but it is not dazzling, it ...
I recently used altera's Cyclone EP2C8, and an error occurred when downloading the program through the JTAG port! I used quartusII to open the programmer and clicked the start button, and the followin...
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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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]
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]
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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[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]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]