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Recently, IDC released a report on smartphone shipments in EMEA (Europe, Middle East and Africa) in the first quarter of 2019. According to data released by IDC, the smartphone market in Europe, the ...[Details]
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1. Write the source program (init.S, testledC.lds, testledC.c, Makefile) @****************************************************************************** @ File:init.S @ Function: Use it to transfer...[Details]
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Notes: The connection relationship of each interface in the schematic diagram can refer to the port definition in the code; The data latch of port P0 is two 74HC573 chips; 1. Detection of independent...[Details]
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Yesterday, Xpeng Motors lost a key executive, Wu Xinzhou, who was responsible for autonomous driving, announced his resignation. This news caused quite a stir in the industry. Although we regret this...[Details]
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Crystal oscillator detection methods and techniques
The distinction between a good crystal and a bad one often leaves beginners scratching their heads. The crystal is relatively small, bu...[Details]
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As the epidemic continues, State Grid has assumed two major social responsibilities
At present, reducing electricity prices and boosting the economy through infrastructure construction are...[Details]
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1. Application Examples 1.1 System Function Use STM8's USART for self-transmission and self-reception (short-connect the transmit pin RXD to the receive pin TXD), send data: 0, 1, 2... data, and...[Details]
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introduction
In the early 1990s, Japan, France, Germany and other countries with developed railway transportation had already opened high-speed trains with speeds of more than 300 km/h. During...[Details]
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LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
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1. Introduction
In recent years, electronic products powered by batteries have been widely used, and designers are eager to use low-voltage analog circuits to reduce power consumption. Low-vol...[Details]
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Orthogonal Frequency-Division Multiplexing (OFDM) technology has been widely used in wired and wireless communication systems and has become a candidate for the next generation of wireless transmi...[Details]
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Modern electronic device designs must provide multiple different direct current (DC) voltages, which requires internal circuits to convert voltages through step-up and step-down methods to power di...[Details]
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A desktop accessory shown in Figure 1 can be installed between an adjustable voltage experimental power supply and a breadboard or UUT (device under test) to protect the device from accidental over...[Details]
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There are generally three methods to measure high frequency: resonance method, comparison method and counting method. 1. The resonance method uses the phenomenon produced when the resonant system res...[Details]
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“It’s time to rewrite the rules of the game.”
Just now, the king of cockpit chips for smart cars launched the latest smart car chip platform - it can capture both cockpit and driving sim...[Details]