48NDV-4YA-M/Q

Because the 12232F display is commonly used, but what we usually see are some parallel port assembly programs, and there is no parallel port program corresponding to 12232F, and the serial port C51 p...[Details]

1 Introduction The three-stage propellant tank of the Long March 3 carrier rocket is a cryogenic tank with a common bottom, which divides the tank into two independent parts: the liquid oxygen tank...[Details]

1. Voltage: LED uses a low voltage power supply , the supply voltage is between 6-24V, which varies according to the product, so it is a safer power supply than using a high voltage...[Details]

BlackBerry recently announced that it has been positioned as a Leader in the Unified Endpoint Management (UEM) market for four consecutive years by Gartner, the world's leading research and advisory ...[Details]

Phison, a NAND Flash controller chip manufacturer, announced its operating results for April 2019, with consolidated revenue of NT$3.084 billion (same unit below), a monthly decrease of 5.79% and an ...[Details]

Multi-voltage electronic systems often require complex supply voltage tracking or sequencing. Failure to meet this requirement can lead to system errors or even permanent failure in the field of use. ...[Details]

  Although LED lighting has a promising future and the industry has invested a lot of effort in the field of LED chips , circuit design still plays an important role in driving LED light sources. ...[Details]

In the production of automobile wiper motors, how to test motor performance and motor vibration online, store test data and print barcodes? Engineers used National Instruments' analog acquisition c...[Details]

Modern cities are full of light. Neighborhoods bathe in the orange glow of sodium-ion streetlights. Car headlights and taillights blend to turn highways into rivers of light, and entire urban areas a...[Details]

The difference between the P0/P1/P2/P3 ports of the 51 MCU: The P0 port is used as the low 8-bit address bus and the 8-bit data bus. In this case, the P0 port cannot be used as I/O. It must first be ...[Details]

On April 13, Feikai Materials held a performance briefing for 2021. An investor asked: How much impact will the worst-case scenario of the epidemic have on the company? In response to this, Cao Song...[Details]

In various single-chip microcomputer application systems, the normality of the memory is directly related to the normal operation of the system. In order to improve the reliability of the system, it ...[Details]

Looking back on 2020, in addition to good news such as the commissioning of projects with an investment of over 10 billion yuan, many projects with an investment of over 10 billion yuan were signed a...[Details]

The output resistance of a basic amplifier circuit is a dynamic parameter, and the commonly used calculation method is the "pressure-to-current method". Among the several dynamic parameters of an a...[Details]

Ultra-high resistance can be indirectly measured using the conductivity method. The following introduces a practical circuit for measuring conductivity. The digital conductivity met...[Details]