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1 Introduction
Due to the increasingly serious energy crisis in the world, light-emitting diodes (LEDs) have been highly valued as a high-efficiency light source. White light LEDs hav...[Details]
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How to accurately test ripple with TDS2012C: TDS2000 series oscilloscope is the only entry-level oscilloscope with lifetime warranty from Tektronix. It has been on the market for 10 years from the fi...[Details]
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Regarding the recent rumors that Apple intends to deploy RISC-V and avoid the Arm architecture, Arm Taiwan President Zeng Zhiguang said on the 7th that he would not comment on a single customer, but ...[Details]
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On April 27, the City Intelligent Energy Management System (CIEMS) independently developed by the State Grid Xiong'an New Area Power Supply Company officially entered Huawei's Yanxuan Mall, and com...[Details]
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Prague, August 28, 2019 – The election results of the 3rd Generation Partnership Project (3GPP) RAN2 Chairman were announced on the evening of August 27 (Beijing time), with MediaTek’s Swedish techni...[Details]
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At the "Zhiwu·AIoT Industry Leaders Summit" held on July 22, Huawei and Schneider Electric jointly released the "5G and 5G Evolution: Industrial Control Application Scenarios White Paper", starting w...[Details]
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PICC variables and definitions 1. When the variable is multi-byte data, PICC stores the variable according to the principle of storing the low byte at the low address and the high byte at the high...[Details]
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1. Millisecond delay
Delay 1ms;
void delay_1ms(void)
{
unsigned int i;
for(i=1;i (unsigned int)(xtal*143-2);i++)
;
}
In the above formula, xtal is the crystal frequency in MHz.
...[Details]
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Number of times different systems request strings (three root nodes) system String 2 String 3 windos 8 2 linux 1 3 ios 2 2 A single node will only request twice, and the above is normal now...[Details]
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Voltage transformers are similar to power transformers, and can convert high voltage into low voltage, but their purpose is to measure voltage values. Standard voltage transformers for measurement usu...[Details]
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A tweet from Samsung Exynos (@SamsungExynos) said: "A new Exynos is coming soon." Samsung will release a new Exynos chip on January 12, 2021. Although Samsung has not officially revealed the name o...[Details]
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1. Code process 1.1 Serial port code The program flow chart is as follows; The code executed by default_serial_console is as follows: There is the following definition in JZ2440.H: ...[Details]
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After learning 51 MCU, I learned AVR. It feels easy to get started. LCD1602 was learned when I was learning 51, so I can directly modify the related IO port operations. Now I will review it. 1602 can ...[Details]
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A few years ago, manufacturers also set the maximum forward current rating of their white LEDs, rather than dim LEDs, at 20 mA. Today's white LEDs can provide higher brightness and therefore must oper...[Details]
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November 4, 2024, Hong Kong, China -
OPPO Guangdong Mobile Communications Co., Ltd. (OPPO) and the Hong Kong Polytechnic University (PolyU) held a cooperation renewal ceremony to further deepen...[Details]
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