VJ1812A120MNHAR

1.CPU working mode (Mode) ARM CPU has seven modes, as shown in the figure below. Note that you cannot enter other modes in user mode. User mode is used for applications when there is an operating sys...[Details]

The AirDot3Pro released by Redmi at the end of May is priced at only 300+, and the initial release price is even lower than 300. It can be said to be an affordable TWS headset, and it is also an acti...[Details]

According to Japanese media reports, Denso, a Japanese auto parts manufacturer and one of the partners of Toyota, is expected to join the plan of wafer foundry leader TSMC and Sony to jointly build a...[Details]

The basic 51 microcontroller has four parallel ports, which also includes a serial port. When there are not enough interfaces, people will think of using external chips for expansion. However, al...[Details]

Use diode gear If the red test lead is connected to the positive pole of the diode and the black test lead is connected to the negative pole of the diode, the meter will show the forward voltage drop...[Details]

Contents The utility model relates to the technical field of measuring instruments, in particular to a mechanical gas turbine flow meter. Background of the Invention Mechanical gas turbine flowmete...[Details]

If you have carefully observed a tanker truck, you will find that there is usually an iron chain installed at the rear of the tanker truck. But have you ever thought about the significance of its exi...[Details]

The figure shows a precision power supply composed of SW399. In this circuit, by adjusting the 20K potentiometer, an output voltage of 0~20V and an output current of 0~1A can be obtained. In the...[Details]

1. Write in front Anyone who studies microcontrollers or engages in embedded development will be familiar with EEPROM, especially the 24 series EEPROM, which are very classic, such as AT24C02, AT24C1...[Details]

Taiwan-based Sino-Metric Solar Technology Co., Ltd. has signed a memorandum of cooperation with China's Huawei to cooperate in the field of solar photovoltaic inverters. Sino-Metric Solar Technolog...[Details]

Code: #include reg52.h //Introduce header file sbit KEY=P3^1; //Define a button sbit LED=P2^0; //Define an LED light void delay(unsigned int u16) //Delay function, delay within 0.6 seconds {   ...[Details]

In order to implement the national "dual carbon" strategy and promote the development of the new energy industry, Sichuan Energy Investment and CATL held a strategic cooperation signing ceremony on...[Details]

Gartner's market data shows that Apple surpassed Samsung in the fourth quarter of 2020 to become the world's largest smartphone supplier, a achievement Apple has not achieved since 2016. In the fin...[Details]

After the TF card is partitioned using the PartitionManager software, it may not be recognized on Windows. After the TF card is partitioned, it cannot be recognized under Windows, but it does not a...[Details]

传统的 射频 (RF) 发送信号链通常使用数模转换器 (DAC) 来生成基带信号。然后，使用射频混频器和本地振荡器将此信号上变频为所需的射频频率。射频 DAC 技术取得进步，现在允许直接以所需的射频频率生成信号，从而显著简化射频发送信号链的设计和复杂性。 High-frequency RF DACs have balanced differential outp...[Details]