Single chip microcomputer -- heart rate detection item

1 Introduction Hi, everyone, this is senior Dancheng. Today I'd like to introduce a single chip microcomputer project made by senior students Design and implementation of blood oxygen and heart rate detector based on STM32 It can be used in curriculum design or graduation design Technical solutions Design help:<Q>746876041 2 main d ...

Posted by Dilb on Sat, 25 Dec 2021 10:43:00 +0100

MCU: NEC protocol infrared remote controller

NEC protocol infrared remote controller The communication distance of home appliance remote controller is often not high, and the cost of infrared is much lower than other wireless devices, so infrared always occupies a place in the application of home appliance remote controller. There are many baseband communication protocols for the r ...

Posted by contex on Sat, 25 Dec 2021 00:45:35 +0100

Master the principle of SD card protocol and complete the data reading of SD card with STM32F103 (fat file mode)

1, Principle of SD card protocol 1. Physical structure of SD card General SD card includes five parts: storage unit, storage unit interface, power detection, card, interface controller and interface driver. The storage unit is a storage data component, and the storage unit transmits data with the card control unit through the storage unit ...

Posted by njm on Fri, 24 Dec 2021 14:17:11 +0100

[single chip microcomputer digital filtering algorithm]

Single chip microcomputer digital filtering algorithm Tip: you can add the directories of all articles in the series here. You need to add the directories manually For example, the first chapter is the use of pandas, an introduction to Python machine learning Tip: after writing the article, the directory can be generated automatically. For ...

Posted by kjtocool on Fri, 24 Dec 2021 13:13:21 +0100

MCU plays arbitrary music code through buzzer: Music MCU code is automatically generated

MCU plays arbitrary music code through buzzer (2): Music MCU code is automatically generated In the previous section, we have built a buzzer music playing environment based on 51 single chip microcomputer. Next, we can play different music only by manually or automatically adding music code. Of course, the second section will show you how to a ...

Posted by venom999 on Fri, 24 Dec 2021 07:50:29 +0100

EXIT external interrupt configuration description

preface This paper teaches you to use the external interrupt, connect the key to the IO port, and use the interrupt to control the internal program of the single chip microcomputer. Equipment used: STM32F407 1, Introduction to STM32F4 external interrupt Each io of STM32F4 can be used as an interrupt input port for external interrupt. STM ...

Posted by tofi84 on Fri, 24 Dec 2021 03:40:18 +0100

Display based on STM32F103+4PIN-OLED

preface Use tools Final effect and connection code KEIL document overview critical code oled. IIC pin definition in H display string Display number display string Display Chinese characters Show BMP picture Use of mold taking software Software settings Dynamic graph implementation preface Use tools Punctual atom STM32F103RCTb ...

Posted by phpforme on Thu, 23 Dec 2021 12:04:53 +0100

Program source code sharing - PLC Experiment of STM32 (including DAC and ADC)

I. principle of PID algorithm In industrial applications, PID and its derivative algorithms are one of the most widely used algorithms and are well deserved universal algorithms. If you can skillfully master the design and implementation process of PID algorithm, it should be enough for ordinary R & D personnel to deal with general R & ...

Posted by spfoonnewb on Thu, 23 Dec 2021 08:28:26 +0100

STM32 Configure SPI Read-Write SD Card in FATFS Mode with cube

Requirements: Master the principle of SD card protocol, complete the data reading of SD card with STM32F103 (FAT file mode) 1. SD card and FATS 1. SD card (1) Introduction SD card (Secure Digital Memory Card) is very common in our life. Controllers usually have two communication interfaces to read and write SD card, one is SPI interfac ...

Posted by chingwaah on Wed, 22 Dec 2021 22:16:59 +0100

Welcome to the world of Arduino

Welcome to the world of Arduino Hello, related netizens. Since you want to learn Arduino, I hope you have some C language foundation and basic circuit foundation. Arduino is an open source electronic platform; Arduino includes hardware and software. The hardware part is the development board, and the software part is the compiler. Common b ...

Posted by hermzz on Wed, 22 Dec 2021 20:34:26 +0100