The mobile phones that hw is responsible for can be dropped directly to the ground, but the projectors that chris is responsible for are expensive, so the drop test method must be used to avoid the hi...
How will 3D integrated circuits be realized simultaneously? Author: Philip Garrou Microelectronic Consultants of North Carolina Research Triangle Park, NC 2009-03-03 Hits: 1660 The first commercial ap...
[i=s] This post was last edited by kkkwgwk0083 on 2018-7-26 17:58 [/i] @chunyang, moderator, please help me, I will be grateful. Problem description. There are two RS485 communication boards, and the ...
A 100W wireless power transmission prototype was made before. The primary resonant side adopted full-bridge switch phase shift control. The schematic diagram is shown in the figure.The actual measured...
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Introduces the lates...
I encountered a strange problem today. IAR had a problem when compiling. (IAR version is V5.40, optimization level is Medium) The C code is #define UART_ENABLE {UCA1CTL1 |= UCSWRST;P4SEL |= (BIT4|BIT5...
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
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]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
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]
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]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
In recent years, the development of automotive batteries has become a focus of attention. Compared with other rechargeable batteries, lithium-ion batteries have the advantages of high specific ene...[Details]