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Recently I have some time to sort out the information. In the past ten years, I have drawn a lot of development and testing boards in my spare time, and also bought a lot of boards and components on ...[Details]
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"Although the international oil and gas market is sluggish, we are still maintaining normal exploration and production. According to the current preferential electricity price policy, by June our c...[Details]
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On December 30, after more than a month of waiting, the Huawei Mate X2 plain leather collector's edition will be officially on sale at 10:08 this morning. The 12GB+512GB version is priced at 19...[Details]
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On December 15, Great Wall Motors' new Lemon Hybrid DHT technology made its global debut. This technology is applicable to both HEV and PHEV power forms, covers three powertrains, and supports all le...[Details]
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Light up the LED light 1. What is LED The full name of LED is semiconductor light-emitting diode. It is made of semiconductor materials and is a light-emitting device that directly converts electrica...[Details]
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1. Program Function
The analog signal is collected by AD at a frequency of 1HZ, then converted into digital quantity, displayed on the digital tube, and then sent to the computer at 1200bps for dis...[Details]
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#include "STC89C51RC.H"
sbit DQ = P4^3;
sbit SPK = P1^0;
#include absacc.h
#define seg1 XBYTE
#define seg2 XBYTE
#define seg3 XBYTE
#define seg4 XBYTE
un...[Details]
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Recently, the first silicon-based OLED display ICNU1210 developed by Beijing Chipone Technology Co., Ltd. has successfully lit up one panel. The main research and development work of this chip produc...[Details]
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When developing MCUs, some simple digital logic circuits are sometimes needed. The LPC804 and LPC55XX series integrate PLU (Programmable Logic Unit), a programmable logic unit, which can create small...[Details]
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Today we went to OPPO's ColorOS forum and found that the OPPO Reno series phones released in April already support unlocking the BootLoader (OPPO said it was a deep test). This is good news for enthu...[Details]
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Which company has the best excavator technology? You will definitely think of a technical school in Shandong, which provides driving training, but when it comes to excavator manufacturing, you have t...[Details]
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1 Introduction Passive inverter technology has been widely used in AC motor speed regulation, uninterruptible power supply, AC-DC-AC frequency conversion circuit, etc. Pulse width modulation ...[Details]
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0 Introduction
With the advancement of the replacement of the second-generation ID card, the fields in China that need to use the second-generation ID card are becoming more and more extensive....[Details]
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1 Introduction
The detection of battery status parameters in the battery production process is the key to ensure the quality of the battery. However, at present, the domestic battery statu...[Details]
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Photoelectric spectrum quantitative analysis requires sufficient sensitivity and accuracy. The sensitivity problem is closely related to qualitative analysis. Generally, photoelectric spectrum analy...[Details]