This is the first time for me and my team to participate in the school electronic design competition. The topic is to make a quadcopter. I have no previous experience in making a quadcopter. I would l...
[i=s]This post was last edited by Beifang on 2022-6-22 11:33[/i]Customized SD card and artificial intelligence framework introduction
1. Because various software and tools are updated very quickly, it...
On SAMR21, you can use any GPIO to drive WS2812. The usage is:from microcontroller import pin
import neopixel_write
import digitaliopin = digitalio.DigitalInOut(pin.PA07)
pin.direction = digitalio.Dir...
In numerical operations, in addition to basic addition, subtraction, multiplication and division operations, there are many other nonlinear operations, such as logarithmic operations, square root oper...
(Completely original, please indicate the source if reprinted)
A few months ago, I published an article on the Internet that severely criticized3GThe three harms of network monitoring have aroused the...
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
Volkswagen's electronic throttle has taken our understanding of the traditional throttle a big step forward. However, while we admire Volkswagen's new technology, which is constantly being applied...[Details]
In a Class D audio power amplifier, the preamplifier is a relatively important module. It is located at the front of the entire topology and completes the processing of the input signal source,...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
1. Introduction
The balance ability
of human beings
is the basis for people to carry out various sports. People need
balance ability
to stand, sit, lie down and walk
. Once
...[Details]
Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]