The programming environment uses KEIL514, the chip uses STM32F407VG,
When using sprintf to convert floating-point data to character data, %2.2f is used, resulting in an incorrect decimal point convers...
1) FPGA is used to design ASIC circuits (application-specific integrated circuits). Users can get suitable chips without having to invest in production. 2) FPGA can be used as a pilot sample for othe...
Recently, Tianfeng Securities analyst Ming-Chi Kuo released an analysis report. According to him, with the advent of the "Metaverse", Wi-Fi technology including Wi-Fi 6, Wi-Fi 6E and Wi-Fi 7 and its s...
The editor rides an electric bike (lead-acid battery) to and from get off work every day. He just changed to an electric bike in July. At the beginning, the range could reach 50KM. Recently, the weath...
The electric mask is similar to a fresh air system. There is a fan inside to suck in the outside air, and the outside air will enter the inside after being filtered by the filter element, which is use...
I often drive a motorcycle to work outside. Sometimes I need to check the time on my mobile phone in my pocket, which is not very safe. So I came up with the idea of installing an electronic clock o...[Details]
Altium, a global leader in intelligent system design automation, 3D PCB design solutions ( Altium Designer®), ECAD design data management (Altium Vault®), and embedded software development (TASKING®)...[Details]
3. Porting u-boot-2012.04.01 to support NAND boot Files that need to be modified and added: 1. Added file: init.c contains NAND Flash related configuration board/samsung/smdk2440 directory, mo...[Details]
1. What is the significance of measuring the dielectric loss tangent value tg?
The dielectric loss tangent is also called dielectric loss factor or dielectric loss for short. Measuring dielec...[Details]
introduction Mobile wireless communications above 6 GHz, or in the millimeter wave frequency range, now show great potential. The main reason for the industry's interest is the large amount of availa...[Details]
It takes a long time to explain Makefile and cross-compilation tools, so let’s talk about the flash problem first. Burn norflash & nandflash? For me personally, downloading to norflash is OK, but b...[Details]
Recently, Raspberry Pi released a new RP2040 board with Wi-Fi function. Let's take a look at the highlights of this new board. Highlights of RP2040 The first chip launched with the Raspberry Pi, ...[Details]
characteristic * Complete program flow control * Emulates all analog and digital functions on the chip, except RESET pin * Real-time operation * Supports symbolic debugging (C and assembly level, or ...[Details]
When designing or applying a power supply , everyone will be concerned about the output ripple noise of the power supply , but how much is appropriate? If the requirements are relaxed, the r...[Details]
Recently, Wang Chenglu, President of Huawei's Consumer Business Software Department, said that Hongmeng is a unified language for different devices. Hongmeng is a new generation of smart terminal ope...[Details]
Recently, new developments in the field of solid-state batteries have emerged one after another. The protagonists are companies from three major countries: China, Japan, and the United States, includ...[Details]
Linux kernel version number: linux 2.6.39
Cross-compilation tool: arm-linux-gcc 4.5.1
Linux kernel download: www.kernel.org
Development board: Friendly Arm Tiny6410
1. Unz...[Details]
Recently, Xiangong Intelligent and an integrator in Hubei officially reached a partnership. The Xiangong Intelligent product portfolio successfully helped the integrator implement the m...[Details]
The background of the birth of frequency conversion technology is the widespread demand for stepless speed regulation of AC motors. Traditional DC speed regulation technology is limited in application...[Details]
The 2-wire temperature sensor is a common temperature measurement device, which is widely used in industry, scientific research, medical treatment and other fields. This article will introduce in d...[Details]