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1. Design goals As the concept of energy saving becomes more and more popular, LED, a new luminous material for solid-state lighting, has made great progress. In Europe, they have specially formulat...[Details]
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① NOR start: ② nand start: The reason why g_char mentioned last time cannot be output correctly according to the program is that when nor is started, g_char is in nor flash, and its non-writable ...[Details]
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When T0 or T1 is used as a counter, the pulses input from the chip pin T0 (P3.4) or T1 (P3.5) are counted respectively. The falling edge of the external pulse will trigger the count. For each input...[Details]
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Wireless power transmission, especially for battery charging, is a growing market trend in portable electronic devices and electric vehicles. Nikola Tesla first proposed the concept of wireless power...[Details]
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According to feedback from netizens, Xiaomi officially launched a six-month extended warranty service application channel for the Xiaomi 11 series of products on the mobile phone page. It shows tha...[Details]
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1 Introduction
The I2C (Inter-Integrated Circuit) bus is a two-wire serial bus developed by PHILIPS for connecting microcontrollers and their peripherals. The main advantages of the I2C bus are...[Details]
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According to ICinsights, a well-known analysis agency, an important question facing the IC industry in the second half of 2019 is when the DRAM market will rebound. Any rebound in the market will be ...[Details]
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Subwoofers, commonly known as subwoofers, play a very important role in creating a shocking effect. Most brands sell home theater products in the form of a package consisting of an AV amplifier, f...[Details]
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LCD12864 Driver
There are two main types of LCD12864 on the market. One is using the st7920 controller, which usually comes with Chinese fonts and is slightly more expensive. The other is using the K...[Details]
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On January 1 this year, Smartisan launched a pair of true wireless Bluetooth earphones, priced at 249 yuan, and the new product only costs 199 yuan. At that time, there was only a white mode...[Details]
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A new report from Navigant Research, which provides market forecasts for power capacity, energy capacity and revenues from newly installed distributed energy storage systems (DESSs) in ...[Details]
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On December 25, Xiaomi's official Weibo account said that the Xiaomi Mi 11 screen has achieved a new breakthrough in high-end screens regardless of cost. This screen is made with crazy materials and ...[Details]
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After the key is pressed for the first time, the buzzer sounds; After pressing the key for the second time, the buzzer stops. #include reg52.h sbit beep=P1^5; sbit key=P3^1; unsigned int mode; /...[Details]
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0 Introduction According to Article 12 and Article 15 of the "Measurement Law of the People's Republic of China", "Enterprises and institutions that manufacture and repair measuring instruments must ...[Details]
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Apple officially released the new Mac mini equipped with M4 and M4 Pro chips through online updates. At the same time, Apple also announced that Mac mini became Apple’s first carbon-neutral Mac dev...[Details]