MCU is 133, A3 is connected to the battery voltage division, A4, A5 are connected to two signalsUse sequence single conversion//multi-channelADC12CTL0 |= SHT0_8 + ADC12ON + MSC; //multi-channelADC12CT...
Our company makes antennas for GPS navigation devices and uses ceramic filters. However, a large amount of clutter appeared in the product. After research, we found that it was a problem with the cera...
Original address: Power supply test series output ripple noise (Output Ripple noise Test) Author: RencoPurpose of the test The output voltage/current of the power supply and the ripple noise on the ou...
[i=s]This post was last edited by dcexpert on 2020-1-2 21:51[/i]Source: https://www.cnbeta.com/articles/tech/927965.htm“Battery-based solutions come with the inevitable battery replacement issue, whic...
As the title says, what kind of preliminary knowledge should I have (I am not good at calculus, university physics and circuit theory), what method should I use and what kind of mentality should I hav...
I often search for information online. Some friends contribute very valuable information, while others are drowned in endless information. So, when you encounter an unfamiliar concept or an unfamiliar...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]