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From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
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With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
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The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
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1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
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1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
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1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
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The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
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(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
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Today, as information becomes an increasingly important resource, strong market demand and the development of microelectronics technology have led to the rapid development of portable electronic sy...[Details]
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1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
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While we enjoy the great benefits of solid-state technology, the microelectronics at its core rely on clean electricity. Faster speeds and lower voltages mean higher demands on power quality. Power...[Details]
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As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly. Together with the powertrain, they constitute the five insepa...[Details]
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In a network-centric battlefield, all systems (platforms) are interconnected nodes that work together to provide mission-critical information to military personnel. This approach is driving the dev...[Details]
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Tags: Battery
1 Component Selection Criteria
1.1 Protection IC Selection
● Mid-range and high-end: MM3280H02, Seiko 8261AAGMD, Ricoh R5400N110FA
● Low-end: composite IC,...[Details]
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Abstract Using FPGA control module, the OLED true color dynamic image drive control circuit is designed. The method of using FPGA to realize OLED peripheral control circuit and 256 grayscale is int...[Details]