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On April 30, Zhichun Technology released its first quarter performance report this year, stating that the company achieved operating income of 113 million yuan, a year-on-year decrease of 2.34%; the ...[Details]
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With the continuous development of LED production technology, car-mounted mobile phones and other displays require higher and higher brightness, and heat dissipation has become a thorny problem tha...[Details]
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Recently, the first set of charging and discharging units of the Rudong 100MWh gravity energy storage project invested and constructed by China Tianying Co., Ltd. was successfully tested. It will play...[Details]
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background
Automotive lighting assembly suppliers are considering using LED devices to compete with high-intensity discharge (HID) lighting. First, the driving circuits of LED devices are less comp...[Details]
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1. Characteristics
(1) 12-bit resolution A/D converter;
(2) 10μs conversion time within the operating temperature range;
(3) 11 analog input channels;
(4) 3-way built-in self-test mode;
(5) S...[Details]
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In the DC LED switching power supply circuit, in order to protect the adjustment tube
from being burned when the circuit is short-circuited and the current increases. The basic method is that...[Details]
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Circuit Principle: Low-power, general-purpose, multi-channel data acquisition system (DAS), these devices are optimized for low-power applications. All devices operate from a single +2.7V to +3.6V...[Details]
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1 Introduction
AC variable frequency speed regulation has been widely used in various mechanisms of cranes, and semiconductor switching devices are mainly used in the rectifier circuit and...[Details]
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LED is a light-emitting diode, which is a type of diode. Its characteristic is that it emits light of different colors when the current is forward-conducted. High-power LED is another type of LED. ...[Details]
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"Zheneng Automobile" and "2030 Mobility Research Laboratory" track and analyze the development trends of American automotive technology. The application scenarios of self-driving trucks in the Unit...[Details]
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1. Lighting system LED control card solution
(1) Basic lighting control
The characteristic of basic lighting in tunnels is that it has long working hours and needs to be illuminated 24 ho...[Details]
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The HAL part of STM32F4xx already provides the SD driver, and the IO PINs during initialization are placed in HAL_SD_MspInit. void HAL_SD_MspInit(SD_HandleTypeDef *hsd) { GPIO_InitTypeDef GPIO_In...[Details]
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1.17.1_2. LCD display related background 1_2 1.17.1.1、LCD Introduction (1) Display CRT monitor (big head TV) LCD liquid crystal display LED LCD display, etc. (2) LCD (Liquid Crystal Display), liqui...[Details]
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The coolest moment in the photography world is when all the grandpas and grandmas show off their cameras in the park. Even if your smartphone is light, easy to use, and has good image quality, and ...[Details]
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On November 21, Honda unveiled its self-developed all-solid-state battery mass production demonstration production line for the first time. The production line is located in Honda Research Institut...[Details]
PCB Design
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