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This article designs a very simple low-cost audible continuity tester, which can be easily made with only a four-comparator chip LM339 (IC1), a few resistors and a piezoelectric buzzer. The circuit...[Details]
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Zoss Automotive Research Institute released the "2021 Automotive Domain Controller Ranking and Comparative Analysis Report", which compared and analyzed 9 cockpit domain controller products and 21 au...[Details]
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Download the schematic used in this program: click here. The microcontroller chip used is stc89c52; just find the schematic diagram of the dot matrix part. This is the circuit diagram of the entire ...[Details]
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1 Introduction
Stereoscopic display is an important development direction of display technology. Stereoscopic display with a sense of depth and perspective can enable viewers to ob...[Details]
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Tencent’s onboarding process has accelerated again! Today, Tencent held a digital ecosystem conference online, showcasing its many advances in industrial Internet to the outside world. At the two...[Details]
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On February 25, according to Taiwanese media reports, Sharp, a subsidiary of Foxconn, announced that it would sell all of its shares in SDP, but did not disclose the buyer and the transaction price. ...[Details]
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1Single
pump constant pressure water supply system
1.1 Purpose and system composition of constant pressure water supply
(1) System composition
The block diagram of the constant...[Details]
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High brightness light emitting diodes (HBLED) combine the advantages of high output, high efficiency and long life. Manufacturers are developing devices that can achieve higher luminous flux, longer ...[Details]
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0 Introduction The system designed by the common eight-bit analog-to-digital conversion chip (such as ADC0809 , etc.) is relatively simple and low-cost, but sometimes the eight-bit accuracy is not e...[Details]
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The problem is solved. PC13-PC15 can be used as GPIO and can be used as output. The manual says that only one can be used as output because the total output current of the three pins cannot exceed 4m...[Details]
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Pre-configured CryptoAuthentication™ ICs help reduce development time and minimize design costs
Secure key provisioning is critical to protecting sensitive keys from third-party tamp...[Details]
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0 Introduction Traditional human-computer interaction relies on complex keyboards or buttons. With the development of science and technology, some new human-computer interaction methods have also b...[Details]
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In the process of learning MCU, the reasonable setting and application of MCU timer is a very critical step, and it is also one of the links where new engineers who have just started to learn MCU kno...[Details]
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As an environmentally friendly and energy-saving solution, LED lighting has found its place in a wide range of applications such as cars, homes, office buildings, hotels, airports and street lamps. Ho...[Details]
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According to foreign media reports, a South Korean research team has developed a thermoelectric material that can be used in wearable devices such as smart clothing and can maintain stable thermal ...[Details]
Power technology
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