The application circuit of the operational amplifier as a battery pack indicator light is shown in the figure
I have a few questions
1. Is the direction of the LED reversed?
2. The inverting terminal ...
What controls should be used to import maps in Wince environment, or do I not need to use any controls at all? What are the basic operations for displaying maps?...
[align=center]About the abnormal DNS domain name resolution problem of ESP8266 and its solution[/align] Recently, the company's ESP8266 gateway encountered a very strange problem at the project site. ...
{:1_97:}There are still 4 days left [size=14px] (ending this Thursday, April 25th), how come there are still 27 books left? Based on the principle of emptying the prize pool at the end of the event, i...
I want to turn off the PLL or enter deep sleep mode. The code stops running at while ((LPC_SC->PLL0STAT & (1<<25)) != 0x00);. Why is this? Or is there any low power engineering code? :)...
[align=left][color=rgb(34, 34, 34)][font=宋体][size=4]There are some common experiences in single board design, and I will share them with you today. [/size][/font][/color][/align][align=left][color=rgb...
ZTE
The communication embargo incident has impacted the communication industry and sounded the alarm for the semiconductor industry. Let's follow the embedded editor to learn more about the r...[Details]
ZTE,
caught
in the vortex of
the US ban on the sale
of chips
, has sounded the alarm for China's information technology industry and revealed China's "chip disease". Let's follow the ...[Details]
Guangdong Traffic Regulation No. 355
To all municipal transportation bureaus (commissions) above the prefecture level, provincial transportation groups, Guangdong Power Grid Compa...[Details]
Recently, the Provincial Development and Reform Commission and the Provincial Poverty Alleviation Office jointly organized the application for a number of centralized photovoltaic poverty alleviation ...[Details]
1. Purpose Since the number of times the STM32 FLASH can be erased and written is limited, in order to protect our FLASH and extend the use time of the MCU, we can debug on the SRAM. SRAM is a ...[Details]
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
1.MAX31865 (1 Introduction The MAX31865 is an easy-to-use thermistor-to-digital converter optimized for platinum resistance temperature detectors (RTDs). External resistors set the RTD sensitivity, a...[Details]
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
The day before yesterday, I learned about STM's Systick and found it quite useful for precise timing. When I used CVAVR before, I found that the delay.h in it was very useful. So, I used STM32's...[Details]
This part of the code in the void SystemClock_Config(void) function in the main file generated by stm32cubemx RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; This bug occurs, and the f...[Details]
1. Determination of STM32 ADC sampling frequency 1. First, read some information to determine the ADC clock: (1) The ADCCLK clock provided by the clock controller is synchronized with the PCLK2 (A...[Details]
According to MEMS Consulting, Japan's
Toshiba
will further develop its automotive
LiDAR
(laser radar) semiconductor business, mainly focusing on: (1)
light receiving elements use...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
I am going to do a project recently, which requires counting the frequency and duty cycle of the external PWM signal. The chip used is STM32F207 Looking at the datasheet, I found that one of the ma...[Details]
The watchdog timer is used to prevent the program from running away due to strong interference noise caused by power supply, space electromagnetic interference or other reasons. Many microcontrollers...[Details]