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//Mistake: In 51, RW (L command, H data) is directly soldered to ground //∴ lcd_enable() is missing; this function {lcdrs = 0; lcdrw = 0; lcden = 0; delay(5); lcden = 1;} //Without this function set...[Details]
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;P1 port is connected to a 4×4 keyboard, and the output uses 74LS164 to drive a digital display. ;When any key is pressed, the key value is displayed on the digital display. ;The program is written i...[Details]
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Cars have become an indispensable part of modern society, providing a low-cost means of transportation for the transportation of goods and people around the world. Unfortunately, a large number of ...[Details]
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According to news on January 25, the BMW Group recently stated in a company announcement that it will launch the next stage of joint research and development of all-solid-state batteries with the US...[Details]
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Today, our lives are highly dependent on sensors. As an extension of the human "five senses", sensors can perceive the world and even observe details that the human body cannot perceive. This abili...[Details]
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On June 6, @techdroider exposed the front rendering of Nothing Phone 1 on the social platform. As shown in the picture, Nothing Phone 1 adopts a four-side equal width design, a centrally placed...[Details]
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China Energy Storage Network News:
On January 7, the results of the State Grid Corporation's 2021 Science and Technology Award were announced. State Grid Jibei Power's major cultivation ach...[Details]
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1. Development board description: The development board has a transplanted UBOOT running. 2. The cross-compilation tool chain is arm-linu-gcc-4.0.4 3. Principle: Use the command loadb provided b...[Details]
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A few days ago, I followed the teacher to another laboratory to listen to a class. In fact, I just listened to the teacher and the master explain various aspects of embedded to the students in other ...[Details]
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A recent post on Facebook, a foreign social network, has attracted the attention of netizens, saying that long-term wearing of Apple AirPods will cause "radiation and Bluetooth signals to pass direct...[Details]
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Based on the Audi original self-study materials, this article uses diagrams to share with you the structure and function of the high-voltage components of the Audi new Q2L E-tron. Understand and re...[Details]
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At the hardware level, vehicle manufacturers are actually restricted by aspects such as exterior design, system structure and space when it comes to optical devices. So we can see that the front of c...[Details]
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In the early morning of March 9th, Beijing time, Apple held a new product launch conference in the spring of 2022, bringing a total of 6 new products including iPhone 13 and iPhone 13 Pro in new colo...[Details]
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Uber has unveiled its self-driving car, which it is developing in partnership with Volvo. The new model is based on the Volvo XC90 SUV. Unlike previous models, the new model will be equipped with Ube...[Details]
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Radio frequency identification (RFID) technology uses electromagnetic fields to automatically identify and track tags attached to objects. Near field communication (NFC) is a standard based on shor...[Details]
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