[i=s]This post was last edited by hehung on 2020-7-27 21:35[/i]I got this board last Monday, but as I've been busy lately, I haven't updated the post. Today I took it out to play with it, and I found ...
[p=30, 2, left]The Cortex-M core has been used in MCU for many years. Previously, it was mainly M0, M0+, M3, M4 and M7. I thought there was nothing new about the development of M7. Suddenly, I found t...
In the process of learning embedded development, especially when you are just getting started, including various tutorials, they are all about learning Linux, and rarely about how to use Linux to deve...
This is a callback function for registering a service instance. I would like to ask what the parameters are. The first one is the event type, etc. What is the second one? Some cases assign values to i...
1. Electrical clearance: the shortest distance between two adjacent conductors or between a conductor and the adjacent motor housing surface measured along the air. 2. Creepage distance: The shortest ...
This is a voltage regulation and timing dual-purpose controller with simple circuit, easy production and convenient use. Its indicators are: voltage regulation range 30-215V AC, timing 5-60 minutes, p...[Details]
(Image source: Intel) According to foreign media reports, on December 16 local time, US semiconductor giant Intel announced that it had acquired Israeli startup Habana Labs for US$2 billion (appro...[Details]
According to the latest tweet from whistleblower DuanRui, Apple will launch new colors for the iPhone 12 MagSafe case at this spring's new product launch. According to the pictures, Apple will launch...[Details]
*dm9000_get_drvinfo() This function passes the basic information of the device (device name, version, bus name) to the ethtool_drvinfo structure variable. The code list is as follows: static void...[Details]
The MAX6979 serial-interface LED driver provides 16 open-drain, constant-current sinking, 5.5V-rated LED driver outputs. The MAX6979 operates from a 3V to 5.5V supply. The MAX6979 and the LED supply c...[Details]
Electric motors are an indispensable part of industrial equipment. However, when the power of the motor is large, how to start the motor correctly becomes a problem that needs to be considered. Thi...[Details]
1 Basic principles 1.1 Basic Principles of ADC According to Microchip's ADC manual, ADC can be divided into single-ended ADC and differential ADC. 1.1.1 Single-ended ADC The output range of a singl...[Details]
The need for improved healthcare is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings
problems with
signal acquisition
...[Details]
Abstract: This paper introduces the design and implementation of a home security system between GSM terminals (mobile phones) using short message service (SMS) through DTMF public telephone network...[Details]
1 Characteristics and test requirements of mixed signal testing
With the deepening of the digital wave, chips with mixed signal functions are increasingly appearing in people's lives. MODE...[Details]
The smart TV market has been very hot recently. Xiaomi has already ranked first in the Chinese market and ranked among the top five in the world. Honor has also launched the "Honor Smart Screen" to e...[Details]
When SM2..0 is 010, the SLEEP instruction will put the MCU into power-down mode. In this mode, the external crystal stops oscillating, while the external interrupts, two-wire interface address match ...[Details]
ADC conversion is the conversion of analog input signals into digital signals by the microcontroller. To read the digital signal, you must wait until the conversion is completed. The completion of a ...[Details]
In the past two years, the competition in the projection industry has intensified. From technological innovation to marketing strategies, the competition among major projection companies has never ...[Details]