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Gartner, an international research and consulting firm, pointed out that in the second quarter of 2019, global smartphone sales to end users totaled 386 million units, a decline of 1.7%. The slowdown...[Details]
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Highway tunnels are underground structures in highway structures. Unlike the bright roads outside the tunnels, when vehicles enter the tunnels during the day, the brightness drops sharply and the h...[Details]
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Energy-saving initiatives, such as "80+ Titianium" for enterprise servers and cloud data center power supplies, and the EU Code of Conduct (CoC) Tier 2 for external power adapters, are turning power ...[Details]
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I've had many experiences with pair programming over the past few years. Sometimes in my team, sometimes with clients, sometimes in coding dojos, and sometimes in my open source projects. For program...[Details]
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The two 74hc573 chips in the digital tube module, one latches the segment code and the other latches the bit code, so that the 8-bit digital tube can be driven. 74hc573 is a latch, and when used for ...[Details]
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The frequency of the self-excited multivibrator composed of an odd number of NAND gates is very high. For example, the frequency of the oscillator composed of TTL NAND gates can reach about 8MHZ. The...[Details]
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1. Introduction of the concept of counting Let's start with counting votes: draw a "positive". This is counting. Counting routines can be seen everywhere in life. For example: the counter on the t...[Details]
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From analog monitoring to digital monitoring, from standard definition to high definition, etc., these all represent the transformation and change of the importance of security. The current video ...[Details]
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As enterprises' requirements for management efficiency and cost control move toward high standardization, the optimization demand for stereoscopic warehouses tends to be highly rationalized, automa...[Details]
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Measurement devices used in industrial environments often require isolation to ensure user and system safety, as well as to ensure accurate measurements in the presence of high common-mode voltages. D...[Details]
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1 Overview
A pressure transmitter is an instrument that converts pressure variables into a uniform output signal that can be transmitted, and there is a given continuous functional relationship...[Details]
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LCD currently uses CCFL as the backlight source more commonly. However, due to the complex CCFL backlight driving circuit, high driving voltage and color rendering capabilities are required, and th...[Details]
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01 Determine whether the line or device is live or not The digital AC voltage barrier is very sensitive and can be displayed even if there is a small induced voltage around it. According to this feat...[Details]
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The source program is mainly written with these basic instructions to achieve your control tasks. However, in order to increase the readability and maintainability of the source program, we introdu...[Details]
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There are many things to learn about ARM, and interrupts are definitely something that needs to be learned. Since the CPU introduced interrupts, we have truly entered the multi-tasking system and g...[Details]
Embedded System
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