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5, ♥ ☆ smart Bracelet based on STM32 √★☆ 💙💙 Introduction With the development of society, people's material living standards are improving day by day, and people are paying more and more attention to their health. As a measuring instrument, the pedometer can calculate the number of walking steps and the energy consumed, ...

/Disclaimer: I only reprinted this article when I saw that it was very helpful to me, but there were grammatical errors in this complete program. Now let me correct it/ Author :tiger-john WebSite :blog.csdn.net/tigerjb Email : jibo.tiger@gmail.com Update time: Monday, February 14, 2011 Tiger statement: I despise individuals or groups that ...

preface 1: Driver reference from https://blog.csdn.net/BearPi/article/details/104311705.: 2: This is one of my records. I don't realize many functions. I just move a piece of video memory opened up in memory to the screen by DMA. 3: I didn't do anything during DMA handling, just gave him a delay to finish. In practical application, the semapho ...

The notes of the article are from the video of the Automation Association of Jiangke University I Interrupt system Interrupt: during the operation of the main program, a specific interrupt trigger condition occurs, causing the CPU to suspend the currently running program and process the interrupt program. After completion, it returns to the o ...

A junior partner of SCM asked me to recommend C language books. Because the basis of C language is relatively poor, I want to learn C language again and learn SCM again. I had this idea when I first learned SCM before. In fact, C language can be learned while learning MCU. In some routines of learning MCU, if you encounter C language knowledg ...

Textbook: ARM 9 embedded system design, development and application (compiled by Xiong Maohua and Yang Zhenlun) (Tsinghua University Press) Examination questions: 40 multiple-choice questions (20 questions), 10 blank filling questions (5 questions), 20 short answer questions (4 questions), 20 reading procedures (4 questions), and 10 writing pr ...

Platform: Code Composer Studio 10.3.1 MSP430F5529 LaunchPad™ Development Kit (MSP‑EXP430F5529LP) Hard knowledge Introduction to comparator B The comparator B module contains the comparison function of up to 16 channels and has the following characteristics:  inverting and in-phase input multiplexers;  comparator output programmable ...

Platform: Code Composer Studio 10.3.1 MSP430F5529 LaunchPad™ Development Kit (MSP‑EXP430F5529LP) Hard knowledge Synchronization mode of USCI SPI overview SPI (Serial Peripheral Interface) is the abbreviation of Serial Peripheral Interface. It is a synchronous full duplex communication protocol. Usci of MSP430F5xx/6xx Series MCU_ A a ...

demand When we usually use MCU to make projects, we always hope to display some data in real time and process these data for use. Then the upper computer is essential. The upper computer refers to the computer that can directly send control commands. Generally, various signal changes are displayed on the PC screen. The lower computer is a ...

Key scan Design requirements By means of key scanning, press key_ Press the user1 (KEY1) key to turn on the LED_GREEN, press again to turn off the LED_GREEN; Press key_ Press the user2 (key2) key to turn on the LED_YELLOW, press again to turn off the LED_YELLOW. Basic knowledge The front LED light controls the GPIO output, and the key ...