When is it necessary to perform self-calibration when using a Dingyang oscilloscope? How useful is self-calibration? How accurate can it be after self-calibration?...
1. Porting uC/OS For the porting of uC/OS to MSP430, please refer to the document [2], and combine it with "Embedded Real-Time Operating System uCOSII" translated by Shao Beibei. I found a source code...
I want to make a USB to ZIGBEE communication device recently, and plan to buy an MSP-EXP430FR5739 experiment board to connect CC2520. Hey, does anyone have any suggestions?...
I set P1 as input and enabled the pull-down resistor. Why are the other ports at low level, while P11 and P12 have 2.4V voltage? I don't understand. . ....
Who has wireless audio transceiver circuit diagram (51 single chip microcomputer + WM8731 digital A/D digital D/A + NRF24L01 or other NRF series), program source code, or development board, etc. If yo...
In our common sense, the word technology often has two definitions. The first is the technology sealed in the laboratory. They are like flowers on the mountain top. Only a few people on the mountai...[Details]
1. Purpose In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[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]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[Details]
The photovoltaic industry has become a new business card for China to the world. It not only represents China's leading technology, but also constantly breaks various records with its development spee...[Details]
The pins of stm32 have two uses: GPIO (general purpose io) and AFIO (alternate function io) For some pins (depending on the chip), neither of these two uses exists. For example, in 64-pin products, O...[Details]
I have encountered many problems when tinkering with LD driver recently. I will record them one by one below. Otherwise, who will remember who in five hundred years? 1. Configuration issues of multi-...[Details]
The first one is a DMA mode of multiple channel acquisition void ADC_DMA_Config(void) { ADC_InitTypeDef ADC_InitStructure; RCC_HSICmd(ENABLE); while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); ...[Details]
Each I/O port of the AVR microcontroller corresponds to three registers: DDRx, PORTx and PINx, where DDRx is the data direction, i.e. input or output; PORTx is the state of the internal pull-up r...[Details]
The watchdog timer is a counter whose basic function is to restart the system after a software problem or program runaway occurs. The watchdog counter counts automatically when it is working normally...[Details]