The driving voltage of LCD TVs is over 1000V. I want to know if the LCDs are connected in series with diodes? Is the reason for not using parallel connection to reduce current? To reduce heat generati...
I have been working on arm before I started to develop dsp. Now my company is doing preliminary research on a dsp+arm product. At first, I considered using TI's arm+dsp solution, but I found that the ...
The fast charging protocol is the "language" required for the charger and the device to communicate and shake hands. Only after the correct "dialogue" can the "handshake" be successful and fast chargi...
Hello everyone, I am very happy to be selected for this power bank disassembly. I chose the Black Cat Bit Fast Charger, which costs 69 yuan, but when I received it, I received the Xiaomi 22.5 Fast Cha...
If it is used to measure the insulation resistance of equipment, then the insulation resistance value measured is only the insulation resistance value under low voltage, which cannot truly reflect th...[Details]
1. Introduction
Cardiac auscultation is an important part of physical examination. The period of occurrence of heart murmurs is of great value to clinical diagnosis. For example, lighter...[Details]
Recently, Zhichepai learned that CATL’s Kirin battery was named the best invention of 2022 by the US “TIME” magazine. Ningde era As a giant in the power battery industry, CATL’s products are s...[Details]
On December 7, Xinwangda signed a "Strategic Cooperation Agreement" with the People's Government of Yichun City. The two parties agreed to jointly build an industrial chain system from lithium carb...[Details]
/* Use if().....else nested method for matrix keyboard detection + digital tube display + buzzer sound written by myself ; the compilation is passed, but the last two columns cannot be displayed (di...[Details]
Gas analyzer is a tool used for gas composition analysis and testing, with the help of which data on the types and contents of certain components can be obtained. However, gas analyzer is not a simple...[Details]
On June 8, Visteon Corporation, a mobile travel technology company and automotive display solution provider, announced the launch of its independently developed cockpit display technology Active Priv...[Details]
Most LED power supply circuits are composed of a switching power supply circuit + a feedback circuit. The feedback circuit samples the load and adjusts the duty cycle or frequency of the switching ...[Details]
This paper uses Philips' 32-bit microprocessor LPC2378 to develop a distribution transformer monitoring terminal, and uses the chip's built-in IAP function to achieve remote terminal program update...[Details]
Elektron Technology has announced a new range of MPI illuminated anti-vandal switches from its Bulgin brand.
All MPI switch bodies and buttons are made of high-grade stainless steel. A solid t...[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]
Reconfigurable radar systems use digital technologies in the form of FPGA and DSP. The combination of digital and RF technologies can achieve extremely high flexibility and adapt to the stringent req...[Details]
The LCD screen is JM12864 or FYD12864 (with font library). I have no problem using these two types of screens. 4 rows * 8 columns of Chinese characters = 32 serial communication interfaces P1.5--P1.7...[Details]
On the evening of October 28, Xinlian Integrated Circuit released its third quarter report for 2024. In the third quarter of 2024, the company achieved a single-quarter revenue of 1.668 billion, ...[Details]
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