[align=left][size=4][font=微软雅黑]The list of moderators who received rewards in November 2018 is as follows:[/font][/size][/align][size=4] [/size][size=4] [/size][align=left][size=4][color=#ff0000]Moder...
STM32WL, the world’s first SoC with built-in LoRa transceiver, accelerates development of LoRa IoT smart devicesBuilt on the ArmCortex-M4 core architecture, the STM32WL microcontroller supports multip...
__align
The __align keyword instructs the compiler to align variables on n-byte boundaries.
__align is a storage class modifier. It does not affect the type of the function.
...[Details]
In the last class, we already know that the symbols R7 and R6 in the program represent RAM units, which are used to store some data. Now let’s take a look at the meaning of other symbols. ...[Details]
1. The data area has a small space, so only variables that are frequently used or require high computing speed are placed in the data area, such as the count value in the for loop. 2. It is best to...[Details]
1. Technical indicators (1) Frequency range of voltage measurement 20hz～1mhz (2) Measurement range of AC voltage 100μv～300v Eleven measuring ranges 1mv, 3mv, 10mv, 30mv, 100mv, 300mv, 1v, 3v, 10v, 30...[Details]
Oscillatory Abrasion Tester Introduction (Fabric Wyzenbeek Valspar) The oscillating cylinder tester is used to determine the wear resistance of fabrics when rubbed against a standard abrasive or agai...[Details]
1. Design Topic: Single-Chip Microcomputer Traffic Light Control
2. Design purpose:
(1) Master the programming and application of single-chip microcomputer timing and counter.
(2) Master the struc...[Details]
In the STM32F1 series, timers TIM1 and TIM8 are hung on APB2, while timers TIM2, 3, and 4 are closed on APB1. In engineering, we usually set APB1CLK = 36M APB2CLK = 72M But why do these timers use 72...[Details]
The "RTC periodic wakeup unit" of STM8L can configure different wakeup periods through the WUCKSEL bits of the RTC_CR1 register. There are three specific modes: 1.1, WUCKSEL = 0xxb for short wakeup...[Details]
1. Fault phenomenon The customer reported that the faulty instrument could not be turned on normally. 2. Detection Fault After testing, it was found that the main power supply and control circuit o...[Details]
Electrical Engineering Knowledge—SIMATIC S7-1500PLC Ladder Diagram Programming (2)
A stepper motor is an actuator that converts an electrical pulse signal into the rotation angle of the motor...[Details]
When arm-linux-gcc compiled a bare metal program, an error popped up during ld, pointing to the division instruction. arm920t is armv4, which does not support division instructions, but supports so...[Details]
In
the field of
new energy
,
the
solar photovoltaic
(
PV
) market has attracted many investors with an annual growth rate of more than 30% in the past 10 years....[Details]
As process nodes continue to improve, chip manufacturing processes continue to approach physical limits, and functions become more and more powerful, which brings higher integration while also bringi...[Details]
1. Introduction
The Alpha Magnetic Spectrometer (AMS) Laboratory is a large international cooperation project led by Dr. Samuel Ting and participated by more than 300 scientists from 16 co...[Details]
Analog electronics
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