I don't know if it's the power supply or the 485 part that has a problem with this board. As soon as the 485 power supply is connected, the voltage becomes unstable. I measured the power supply voltag...
I just started learning Xilinx, and now I have a big problem that I can't solve. I need help from an expert. Can you leave your QQ? It's inconvenient to communicate in the forum, and it's troublesome ...
Select HSI as the main clock, 16MHzvoid CLK_Init(void){CLK_DeInit();CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);}//SPI initializationvoid SPI_MyInit(void){SPI_DeInit();SPI_Init(SPI_FIRSTBIT_MSB,SPI_...
I use dsPIC30F2012 to do an A/D conversion. The positive reference voltage is connected to Vref+, the negative reference voltage is connected to Vref-, and VCC is connected to AVDD after filtering. No...
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]
CMSIS Driver has similar API functions and similar calling methods. It is a further encapsulation based on the ST HAL library. It is much more convenient and simpler to use and configure than the ST ...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
After studying the F4 FSMC method to drive the touch screen for a few days, I have gained some understanding, which are listed below. The unorganized record is only for my own reference in the future...[Details]
In the project, CPLD is needed to complete part of the algorithm design. The parameters are given by AVR, so the communication between AVR and CPLD needs to be completed. Therefore, a test program is...[Details]
This paper proposes a design scheme for an embedded CNC system based on ARM and FPGA. The software and hardware design of the ARM system, the implementation method of hardware fine interpolation ...[Details]
Notes on inverter installation and maintenance:
1. Before installation, you should first check whether the inverter is damaged during transportation.
2. When selecting an installa...[Details]
The clock system of STM32 can be directly summarized in a diagram (from the STM32F10X reference manual). The following is an analysis of this diagram 1. STM32 input clock source 1.1 Function of cl...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
Today I am using the AD function of the stm8s microcontroller. There are ten channels from AN0 to AN9 on the microcontroller. I want to use only three of them, AN5 to AN7. //ADC initialization void A...[Details]