[size=4]Do not use DSP/BIOS to allocate space for the destination address of the EDMA channel of VPort. You can use the malloc function to place malloc on the SDRAM expanded by DM642. This can be achi...
[font=Tahoma, Helvetica, SimSun, sans-serif][size=14px]Overview: [/size][/font] [font=Tahoma, Helvetica, SimSun, sans-serif][size=14px]Currently, SDI-12 products are becoming more and more abundant an...
1. Introduction
Previously, we introduced two ways to drive WS2812B: GPIO pins and PWM combined with DMA. In this post, we will introduce another way: drive WS2812B through the SPI interface of MCU. W...
In recent years, driven by Dyson, the portable handheld vacuum cleaner market has developed rapidly. However, judging from the market response, the prices of such vacuum cleaners vary greatly, and the...
[i=s]This post was last edited by jqn on 2021-10-27 16:10[/i]How do I change the softi2c statement of micropython to i2c?i2c = SoftI2C(scl=Pin(MPU6886_SCL), sda=Pin(MPU6886_SDA))The uiflow I use does ...
I'm studying STM32F107VC recently. Since a task requires UDP, I plan to use the development board combined with LWip to implement this function. However, I encountered some problems in the process of...[Details]
The intelligent floor scrubber can automatically detect whether the water tank is short of water or full of water, and remind the user to add water to the clean water tank, or remind the user that ...[Details]
Abstract: An automatic fingerprint recognition system based on a new structure of SoPC is designed. The fingerprint recognition system is a typical pattern recognition system, including modules such a...[Details]
Preface
Digital optical power meter is a portable instrument controlled by a single-chip microcomputer that can measure the strength of optical signals. It is an important instrument for lay...[Details]
.FWlibincstm32f10x_conf.h(33): warning: #14-D: extra text after expected end of preprocessing directive Extra text appears after the preprocessing directive
#include "stm32f10x_dma.h" */ ...[Details]
Chapter List
Part 1: Introduction to ARM assembly language
Part 2: Analysis of the process of generating ARM assembly programs from C/C++ programs Part
3: ARM assembly language program stru...[Details]
The OPPO Find X3 series will be officially released on March 11. Before the release, Shen Yiren got his hands on OPPO's most powerful flagship in advance. On March 8, Shen Yiren recommended t...[Details]
Abstract: This article introduces a new type of power MOSFET driver integrated circuit IR215X, and gives a practical application circuit of a fluorescent lamp electronic ballast using this chip. ...[Details]
The STM32F1 series has 14 timers, 1 to 14; the specific models vary. It is suitable for a variety of purposes, including measuring the pulse width of the input signal (input capture), or generating ou...[Details]
Through the rectification case of the switching power supply module's surge interference resistance, it was analyzed that the main reason for the failure of the power board during the surge impact ...[Details]
1 Introduction
Using nuclear magnetic resonance (NMR) to search for groundwater is currently the only new method in the world to directly search for water. It has the characteristics of high resolu...[Details]
1. Introduction
P89LPC935 is a single-chip packaged microcontroller, suitable for many occasions requiring high integration and low cost, and can meet various performance requirements. P89LPC9...[Details]
In recent years, with the development of domestic science and technology, China has been in the world's leading position in high-tech fields such as 5G and AI, and the US sanctions against China have...[Details]
On the evening of April 28, Huawei held a press conference for its foldable flagship and all-scenario new products. The new generation of foldable screen flagship HUAWEI Mate Xs 2, Huawei Smart ...[Details]
Drive-by-wire chassis solutions
In the process of automobile intelligence and electrification, core technologies and products related to intelligent wire-controlled chassis have beco...[Details]