[size=4]At present, the USB PD fast charging protocol has been widely used in products of first-line brands such as Apple, Google, Huawei, Xiaomi, and Samsung. The next generation of iPhones will be e...
[i=s]This post was last edited by alan000345 on 2020-3-9 14:49[/i]Zhou Pengfei said: In the 2G era, China's mobile communications development was completely a follower role, and the leading companies ...
[color=rgb(68,68,68)][backcolor=rgb(238,238,238)][size=4]As the title says, I need to use STM32 microcontroller to complete the pulse counting function. The pulse to be counted is a group of pulses se...
Introduction: An interesting trade-off occurs when you select an input filter capacitor for a low-power, offline power supply. You are compromising the capacitor's ripple current rating with the volta...
[i=s]This post was last edited by nich20xx on 2020-4-28 12:20[/i]1 IntroductionSensorTile.box is a sensor development kit launched by ST that is equipped with BLE wireless connection function. It is a...
[p=28, 2, left][color=#000][font=sans-serif]The working principle of capacitor voltage reduction is not complicated. Its working principle is to use the capacitive reactance generated by the capacitor...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[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]
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]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[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]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Analogue and Mixed Signal
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