When making a bootloader, you need to use the 0X28 service to turn off non-diagnostic communication before flashing. Help, how to turn it off? I use the CAN1 channel for diagnosis, can I just turn off...
I would like to ask an expert: I use UM95087, and I can generate 16 sets of dual audio or single audio corresponding to 4 columns, but why can't I generate dual audio corresponding to 4 rows? Connecti...
This is the STM32F103 board I drew last year. It was designed according to the official schematic diagram. There is no problem running the program and the functions of the project are also realized. I...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:10[/i] [size=14pt][font=宋体]Eight groups of digital buzzers are participating in the competition. Each group of buzzer buttons is used for buz...
On the 5th of this month, Japan's NEC began testing unmanned flying cars.
The flying car tested this time is about 4 meters long and weighs 150 kilograms. It uses electric motors to rotate four propel...
To understand the segmented memory function of the oscilloscope, let us first look at what problems this function solves and what its value is.
First of all, we must make it clear that the digital osc...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[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:
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]
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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Automotive Electronics
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