All GPIOs are predefined in pyb.Pin.board.Name: x1_pin = pyb.Pin.board.X1 g = pyb.Pin(pyb.Pin.board.X1, pyb.Pin.IN) You can also use this g = pyb.Pin('X1', pyb.Pin.OUT_PP) You can also define your own...
[color=#000][font=simsun] [/font][/color] [color=#000][font=simsun] [/font][/color] [color=#000][font=simsun]Today I recommend a very practical reference book: "[/font][/color][font=simsun][color=#000...
Does EVC support regular expressions? If so, can you give an example? I want to do a file search. My idea is to recursively find the file names in the directory and then use regular expressions to mat...
This table verifies the previous preliminary judgment. In the high-end field, Xilinx has an absolute market position in terms of both the number of FPGA chips and the scale of target verification chip...
I recently ordered a batch of capacitors with the following dimensions: D 8.5cm; L:24..7; S:3cm; Material: Aluminum. How much does one capacitor usually weigh?...
64-bit win8, keil4, compile project. "Error: User Command terminated, Exit-Code = 1" appears. Click target options. In run user programs after build/rebuild, check whether the path displayed in the BI...
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
introduction
At the beginning of this century, Veit used Einthoven's galvanometer to record the electrical activity of the human pregnant uterus from the body surface for the first time. In 19...[Details]
Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives.
In recent...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[Details]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[Details]
WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[Details]
Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m~1kHz), audio (20Hz~20kHz), video (20kHz~10MHz), radio fre...[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]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[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]
1 Introduction
Economic development has prompted people to continuously improve their security awareness. When traditional local analog monitoring methods gradually fail to meet the needs of l...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]