I have 6 years of experience in PCB LAYOUT in Japanese companies, 2-10 layers of substrate design experience, rich experience in EMC, SI, EMI, ESD, PI design, and now I am looking for a part-time PCB ...
My understanding is that P1.0 can both input and output, while P1 can only output. . . . . I have only been learning microcontrollers for less than 15 days. . . My understanding may be superficial. . ...
ACTIVATEMMU ; The 1st Level Section Descriptors are setup. Initialize the MMU and turn it on. ; mov r1, #1 mcr p15, 0, r1, c3, c0, 0 ; Set up access to domain 0. mov r0, #0 ; ********I PLUS mcr p15, 0...
The CD that comes with my emulator contains a CCSv4, which says it is a 32K limited version. Does this 32K refer to the size of the memory? If I want to use the 128K Flash in the TMS320F28035, can I u...
No. 116: STM32 Nucleo Pack FOC and 6 step motor control (ST 3-phase motor kit) https://12.eewimg.cn/bbs/data/attachment/forum/201807/20/151758h00kkusbs6wfsfsn.jpg.thumb.jpg This time there is anothe...
This afternoon, I spent a lot of time winding two sets of coils on a small magnetic ring to make an inductor and do a step-up circuit experiment (Joule Thief). (I like this circuit very much because i...
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[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]