When a 51 MCU is connected to an 8255a, and it is necessary to read the PA~PC parallel port level, do we need to set it to 1 first, just like reading the MCU parallel port? In other words, is there a ...
The competition is coming soon. There are all kinds of scammers on Taobao. I am speechless when I encounter this kind of thing. They even threatened me in the end. Everyone, please pay attention to th...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
On April 19, it was reported that Alibaba DAMO Academy is developing a neural network chip, Ali-
NPU
, which is mainly used for
AI
reasoning calculations such as image and video analys...[Details]
Recently, the US embargo on ZTE has attracted much attention. Let's take a look at the relevant content with the automotive electronics editor. On April 16, local time, the U.S. Department of Co...[Details]
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
Using the WWDG of STM32F030, it is found that the MCU will not be reset under STOP, just like the sleep mode of STM8S. Paste the watchdog code: /******************************************************...[Details]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[Details]
When STM32 uses JTMS (PA13) and JTCK (PA14) as normal I/O ports, add the following code before initialization (the order cannot be reversed): RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); G...[Details]
I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]
As an important branch of the power electronics industry, the technological progress of photovoltaic inverters is highly dependent on the development of electronic components and control technology...[Details]
International Solar Photovoltaic Network News: On November 21, Australia's SMA Solar Technology Co., Ltd. signed a contract with the local government to provide photovoltaic inverters with an insta...[Details]
Pay attention to whether the new lock matches the old door Smart locks have many advantages over traditional mechanical locks. Although the domestic penetration rate is not high, with the strength...[Details]
#include MSP430x12x2.h #define TEM_ADC_CHL 0x0a void InitSys(void); void Read_ADC(unsigned int INCH_channel); void ADC_TO_TEM(void); unsigned int ADC_sample_val; unsigned int long temp1,temp2;...[Details]
MSP430 uses ADC10 to measure the voltage of the temperature diode inside the chip #include "msp430x22x4.h" //This program uses ADC10 to measure the voltage of the temperature diode inside the chip ...[Details]
MSP430 MCU controls stepper motor with display program #include "msp430x22x4.h" #define uchar unsigned char #define uint unsigned int #define comm 0 #define dat 1 #define sclk_1 P4OUT|=0x01 //sc...[Details]