[p=28, null, left][color=#666666][font=Helvetica, "][size=14px] Previously, a customer made a segment code LCD screen at Jingtuo. It was the first to use this screen for display. The customer's engine...
[i=s]This post was last edited by aggie_liang on 2021-8-11 16:26[/i]Job Responsibilities:1. Electronic hardware design of transport sensors, including hardware architecture, circuit simulation, compon...
Are solar panel electric bicycles truly environmentally friendly? In fact, people have been arguing about this for a long time. After all, the main source of electricity supply is still the conversion...
Traditionally, a mobile phone that supports making calls, sending text messages, network services, and APP applications generally includes five parts: radio frequency, baseband, power management, peri...
For many people who are new to the electrical testing industry, the oscilloscope is the first instrument they need to understand. Whether you are a professional technical engineer or a sales person, ...[Details]
1.warning: #550-D: variable "d" was set but never used Description: The variable 'd' is defined but never used, or, although you use this variable, the compiler thinks that the statement where the ...[Details]
This scheme simulates and verifies some key circuits, and verifies through tests that the power driving circuits of each part of the driving circuit designed in this scheme meet the power driving req...[Details]
Controlled by uln2003, the following is the simulation schematic diagram: Source program: /***************************************************** This program was produced by the CodeWizardAVR V2.0...[Details]
The basic working principle of pointer multimeter The basic working principle of a multimeter is to use a sensitive magnetoelectric DC ammeter (microammeter) as the meter head. When a small current p...[Details]
Abstract: In order to solve the defect that the electric vehicle charger cannot automatically cut off the power and make up for the shortcomings of several power-off protectors disclosed by the S...[Details]
In the past 2021, new energy vehicles exploded. Let me ask an extreme question: Will internal combustion engines exit the stage of history? I think not, but how can we help consumers solve their trav...[Details]
Existing LED display screens almost all adopt scanning drive mode in order to simplify the driving circuit. In a scanning cycle, the changing brightness of each LED is averaged over the entire scannin...[Details]
0 Introduction
The measurement of temperature and humidity is widely used in warehouse management, manufacturing, meteorological observation, industrial and agricultural production, scientific ...[Details]
How are you all after Double Eleven? It’s ok, there will be Double 12, Black Friday, New Year’s Day promotion, and Spring promotion… Shopping is really not easy, so buy what you want and cherish...[Details]
Using ultra-bright white LEDs as lighting is an excellent way to save electricity. Because it takes many LEDs to be bright enough, it is troublesome to install, and it is not practical to install t...[Details]
Whether it is ordinary consumer products or industrial machinery, vibration analysis is an essential step in the product design process. Design engineers need to understand and solve the impact of v...[Details]
According to foreign media reports, the Supreme Court of British Columbia, Canada on Friday (29th) rejected Huawei's Chief Financial Officer Meng Wanzhou's request to relax bail conditions, saying th...[Details]
There are two types of attitudes towards smart voice in cars. One is very rejecting, "I can just click it myself", and the other is more accepting, and even considering buying a car because the smart...[Details]
Figure 7 ~ 30V output voltage regulation circuit
Figure 8 is a 7-30V adjustable output integrated voltage-stabilized power supply circuit. The operational amplifier F007 is used as a voltage fol...[Details]
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