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The following is the source code of the simple waveform generator of 51 single-chip microcomputer: #include AT89X52.h #include math.h #define ADDR1 0x2c //MAX5820LEUA sbit key_sin=P1^0; sbit ke...[Details]
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The solar lamp circuit shown in Figure 1 is a low-loss circuit that uses a 7W four-pin CFL (compact fluorescent lamp) and a 12V, 7-Ahr sealed maintenance-free battery. The inverter has an efficiency ...[Details]
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Now GIS (Geographic Information System) equipment with GPS (Global Positioning System) as the core is entering the stage of popularization and application. With the development of technology, vario...[Details]
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LCD has the following control lines: CS: Chip Select, low level valid RS: Register Select WR: Write write signal, low level valid RD: Read read signal, low level valid RESET: Reset signal, low level ...[Details]
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1 Introduction
With the rapid development of modern information technology and the gradual realization of traditional industrial transformation, temperature detection and display systems that c...[Details]
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After getting into machine vision, I found that there are always various bugs in the development and use process that lead to system instability. So I summarize it and take it as a warning, remembe...[Details]
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1. Common sense in purchasing
1. Check whether the product markings are complete, including the manufacturer's name, product specifications and models, manufacturing date, and trademark; che...[Details]
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Wearable devices are portable devices that are worn directly on the body or integrated into the user's clothes or accessories. Wearable devices are not just hardware devices, but also realize powerfu...[Details]
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introduction
When the computer is used in the measurement and control system, the information exchange between the measurement and control object and the computer is carried out through the bus...[Details]
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With the development of contemporary society, almost everyone is using
mobile phones
,
which
have become an indispensable daily necessity for us. However, people gradually find that...[Details]
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As the first mass-produced urban navigation assisted driving system, what challenges did Haomo HPilot3.0 meet and what functions did it achieve? On September 13, the sixth HAOMO AI DAY was official...[Details]
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Nokia (HMD Global) launched three new entry-level smartphones at MWC 2022. The three new models are Nokia C21, Nokia C21 Plus and Nokia C2 (second generation). They are all designed to "respo...[Details]
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Chapter 1. Introduction
1.1. Background
With the development of the Internet of Things, there will be more developments in the control of home appliances, and voice as a natural and simple method...[Details]
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introduction:
As the comfort of cars increases, many cars are equipped with electric rearview mirrors. The driver can adjust the position of the rearview mirror by pressing a button, which...[Details]
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At present, most audio signal processors are not only large in size but also expensive, and are difficult to be popularized in some special aspects. Embedded system analyzers are small and reliab...[Details]