The ICM-40609-D is a high-performance six-axis MEMS sensor chip that integrates a 3-axis accelerometer and a 3-axis gyroscope, specifically designed for the drone market. It can replace previous models such as the ICM-42688, ICM-20602, and MPU6500. This chip is manufactured using advanced MEMS technology, featuring a compact size, low power consumption, and high accuracy. Its … Read more
In embedded system development, real-time operating systems (RTOS) are becoming increasingly important. The STM32FreeRTOS library provides Arduino users with an easy way to implement RTOS functionality. This article will delve into the features and usage of STM32FreeRTOS, allowing you to quickly get started with this powerful development tool. What is STM32FreeRTOS? STM32FreeRTOS is a library … Read more
This article is the second in a series discussing peripheral modules of microcontrollers, focusing on how to improve ADC conversion accuracy.In this article, I will summarize the understanding of the reference voltage for ADCs, which many engineers are not very clear about, especially in scenarios where the ADC is used with a battery directly powering … Read more
Last week, the embedded ARM article “With the Soaring Prices of STM32, Reviewing Domestic Alternatives to STM32” received widespread attention. At the request of readers, embedded ARM will continue to introduce domestic products that can replace STM32.Today, we present the products that can perfectly replace STM32: the HK32F103VET6 and HK32F030M from Hangshun, the latter being … Read more
The C language is essential foundational knowledge in microcontroller development. This article lists some basic C language knowledge points encountered while learning STM32, hoping to be helpful to everyone. 01 Bit ManipulationNext, we will explain several bit operators and then discuss techniques for using bit manipulation. The C language supports the following six bit operations:Six … Read more
If you don’t want to miss my updates, remember to check the public account in the upper right corner and set it as a star, and take down the stars to give to me. 01 Introduction STM32: A product released by STMicroelectronics on June 11, 2007, it is a 32-bit microcontroller. GD32: A product released … Read more
Follow+Star Public Account, don’t miss out on exciting content Author | strongerHuang WeChat Public Account | Embedded Column The standard peripheral library, HAL, and LL software library of STM32 all have many clever aspects worth learning from.Today, we will discuss how the STM32Cube LL library cleverly uses “static inline” to make the code more efficient. … Read more
When learning STM32 development, the step of DEBUG debugging is essential. This article will guide you through the knowledge related to debugging. Taking STM32F1 and Cortex-M3 as examples, the principles are similar for other series of chips or cores.01【Overview】 In STM32, there are many debugging components. Using them allows for various debugging functions, including breakpoints, … Read more
🎀 Article Author: Ertu Electronics🌸 Follow our public account for more resources!🐸 Looking forward to learning and exchanging ideas together! Article Cover 1. Project Overview This project designs a dual-end communication system for mobile phones and computers based on STM32 and a Bluetooth module, with the following main functions: • The computer can send messages … Read more
The SPI (Serial Peripheral Interface) is one of the most widely used synchronous serial communication protocols in embedded systems, playing a crucial role in STM32 development. Compared to I2C and UART, SPI is particularly suitable for high-speed data acquisition, memory expansion, and display driving due to its full-duplex communication, high transmission rates, and hardware slave … Read more