HD4505V-KP1

Full range of transistor application parameters Name Package Polarity Function Withstand Voltage Current Power Frequency Paired Tube 2N2369 4A NPN Switch 40V 0.5A 0.3W 800MHZ 2N290...[Details]

The AT89S51 microcontroller experiment and practice system board (system board will be introduced later) integrates multiple hardware resource modules. Each module can become an independent unit or c...[Details]

This paper introduces the characteristics of USB, proposes a solution to expand the serial port using USB, describes the advantages of this solution, and compares it with the traditional serial po...[Details]

1. What are "internal pull-up" and "internal pull-down" in DSP? When introducing pins in DSP, PU and PD are marked as "internal pull-up" and "internal pull-down", which means that a pull-up resistor ...[Details]

ROHM develops compact, high-precision pressure sensor IC "BM1390GLV" with IPX8 waterproof rating Ideal for applications requiring waterproofing such as white goods and industrial equ...[Details]

High-k gate dielectric and metal gate technology (HKMG) enables Moore's Law to continue at the 45/32nm node. There are currently two mainstream integration schemes for the HKMG process, namely "gate f...[Details]

Panel research institutions have predicted the future market share of OLED and pointed out that BOE will be the largest panel manufacturer in the future.   Panel research firm Display Supply Chain Co...[Details]

3.3 Clamp protection circuit 　　When the power switch is turned off, due to the influence of leakage inductance, reflected voltage and spike voltage will be generated on the primary winding of the h...[Details]

Today, the 2021 World Ultra High Definition (4K/8K) Industry Development Conference was held in Guangzhou. Li Dongsheng, founder and chairman of TCL Group, pointed out in his speech at the opening fo...[Details]

According to CCTV Finance, the National Development and Reform Commission today (20) clarified the scope of new infrastructure for the first time. It is reported that the new infrastructure mainly ...[Details]

         The connection and data exchange between the CPU and external devices and memory need to be realized through interface devices. The former is called I/O interface, and the latter is called m...[Details]

Advantech, a global leader in the Internet of Things, held its first Smart Service Business Group Global Partner Conference in 2020 at the Linkou Internet of Things Park. The conference focused on "A...[Details]

The I/O port of the STC series microcontroller has a strong pull-up mode. What is the strong pull-up mode? The STC microcontroller I/O port can be set to four modes: quasi-bidirectional port/weak pul...[Details]

Gartner research shows that as Chinese companies vigorously promote digital transformation, traditional IT monitoring dashboards designed around IT needs are difficult to meet changing needs. ...[Details]

#include stcreg.h #define uchar unsigned char #define uint unsigned int   sbit FMQ=P3^4; sbit QR=P2^7; sbit QY=P2^6; sbit QG=P2^5; sbit HR=P2^7; sbit HY=P2^6; sbit HG=P2^5; sbit ZR=P2^4; sbit ZY=P2^...[Details]