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VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]

Capacitance Measurement Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]

Capacitors are basic components in various electronic devices and are widely used for bypassing, coupling, filtering , tuning, etc. in electronic circuits. However, to use capacitors,...[Details]

OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]

Introduction Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]

Preface In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]

Introduction Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]

0 Introduction With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]

The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]

Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]

DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (paralle...[Details]

1. Introduction The advancement of USB technology makes designers prefer USB interfaces in PC peripheral development. However, existing virtual instrument development platforms such...[Details]

1. Design topic: Design a simple electronic keyboard that can produce seven notes: 1, 2, 3, 4, 5, 6, and 7. Components used: AT89C51, LM324, speakers, buttons, etc. 2. Design Pur...[Details]

In recent years, the technology of Class D amplifiers has developed rapidly, and the most common application is in low-power products with each channel less than 50W. In these low-power application...[Details]

"The father of knockoff phones" aims to make up for TD's shortcomings IT Times reporter Lin Fei On June 22, the day before the Dragon Boat Festival, on the other side of the Taiwan Strait, a m...[Details]