BT0507HC5I507GN20

Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]

1. Development Environment       1. Applicable chips: All STM32F4 chips       2. Firmware library: STM32F4xx_DSP_StdPeriph_Lib_V1.8.0       3，IDE：MDK517 2. Driver source code       Delay.h...[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]

As many companies listed with the concept of touch screen begin to "transform and upgrade", the official voice of the TP industry is getting smaller and smaller. At the same time, the list o...[Details]

This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[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]

Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]

1. What is PWM      What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs...[Details]

For complex calculations, the speed of the microcontroller is too slow. The best way is to manually calculate all the results in advance, store them in ROM in sequence, and then directly check the re...[Details]

Unfortunately, my serial port has some problems and I can't print information. I can only debug to view variables and see the values. Fortunately, there is not much AD conversion code, and I can use ...[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]

"Now I can't even afford a memory stick to equip my computer ." The price of memory sticks has risen rapidly recently. Take 8GB Kingston memory sticks as an example. Compared...[Details]

Starting this month, 39 electric vehicle charging stations in Urumqi have begun to be upgraded to the new national standard, and it is planned to be completed by the end of the year. On the 21...[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]

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]