Below 15M, the same frequency input 1V10M output 0.25V20M is no problem, but above 15M, the amplitude will become larger (the frequency is correct). I want to ask what is the reason, waiting online, u...
Microsoft's new IoT solution, Azure Sphere, is now officially released! This means that Microsoft can make full use of its powerful platform to provide security protection for Azure Sphere devices in ...
The capacitance determination formula is: C=εS/4πkd, the definition formula is: C=Q/U, and it has a characteristic of blocking direct current and passing alternating current. This is also the understa...
[i=s]This post was last edited by qwqwqw2088 on 2020-2-17 11:13[/i]The Telematics Control Unit ( TCU or T-BOX ) is an embedded vehicle system that can be used in the fields of wireless tracking and co...
Water flow meter is a commonly used flow meter, mainly composed of two parts: sensor and converter, and mainly works based on Faraday's law of electromagnetic induction. What are the functional charac...[Details]
According to foreign media reports, Uhnder, a US digital radar startup, will become the first company to mass-produce automotive-grade 4D digital imaging radar chips to support the next generation of...[Details]
1) Floating input (default state): GPIO_Mode_IN_FLOATING The pin itself is considered open circuit, the level is determined by the external circuit, and cannot be output; 2) Pull-up input: GP...[Details]
According to news on September 22, American electric car manufacturer Tesla plans to produce and sell Powerwall energy storage systems in the Indian market and has submitted a proposal for factory bu...[Details]
According to foreign media reports, calcium-based batteries are expected to achieve higher energy density at a lower manufacturing cost, and eventually this laboratory technology will be able to repl...[Details]
The fluctuations in the automotive terminal market are also having a profound impact on the core intelligent industry chain. The business performance of some leading suppliers in the first quarter ...[Details]
With the widespread application of integrated circuits and embedded computers in automobiles, the number of electronic controllers in modern automobiles is increasing. Common ones include electronic ...[Details]
【Online Seminar】 Current status and future trends of emerging automotive markets - Focus on China, Russia, the Middle East and Africa Date: September 28, 2021 Time: 15:00 – 16:25 At pres...[Details]
The relay characteristics of the relay are shown in Figure 2 Among them, the horizontal axis Ia is the pull-in current; Ir is the release current; Iw is the working current; Ik is the hold...[Details]
Samsung is not a lucky company that achieved overnight success. Before discovering and building world-class quality, design, and innovation capabilities, it went through a long period of hardship and...[Details]
The built-in fonts of 1602 are just some characters, but there are no Chinese characters. In fact, 1602 can display some simple Chinese characters such as year, month, day, etc., as well as some rela...[Details]
On November 29, Xiaomi launched an ultra-thin power bank on the afternoon of November 24, which is only 9.9 mm thick, has a capacity of 5,000 mAh and is priced at 49 yuan. However, according to Mi...[Details]
This article introduces two typical examples of brushed DC motors using PWM drive using an H-bridge circuit.
① Input the PWM signal to one of the two input pins and drive it directly
...[Details]
1 Introduction
Liquid crystal display (LCD) has low power consumption, small size, ultra-thin, light weight, and no distortion and convergence error of the geometric figures of the...[Details]
1: First the Makefile.def:
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In all driver makefiles there is !INCLUDE $(_MAKEENVROOT)makefile.def
Find (_MAKEENVROOT) makefile.def where C:WIN...[Details]