This document describes how to modify the user area size of the iTOP-4418 development board. The partition data in the document is for16G eMMC.uboot settingsEnter the iTOP-4418 uboot, as shown below.E...
I have never understood where the global variables are stored when Keil is compiled. Today, I tried it in the program. After defining several global variables, the size of the code area has not change...
When we play racing games on the computer, the player's perspective is usually above or behind the car, so we can see the surrounding environment of the car. This perspective can help us understand th...
This article and design code were written by FPGA enthusiast Xiao Meige. Without the author's permission, this article is only allowed to be copied and reproduced on online forums, and the original au...
"High-Speed Circuit Design Practice" starts from the perspective of design practice, introduces the various technologies and skills that need to be mastered in the work of high-speed circuit design, c...
We all know that the SPI in STM32 has four lines, namely MISO, MOSI, NSS, SCK MISO and MOSI are bidirectional data lines, and SCK is the clock line. Let's introduce what NSS does. In the standard SPI...[Details]
I. Introduction At present, the secondary development of various motion control cards is relatively complicated. At present, many engineers in China are familiar with the G code of the CNC system. Ba...[Details]
On the evening of April 18, Shengong Co., Ltd. disclosed its 2020 annual report. During the reporting period, the company achieved annual operating income of 192 million yuan, a year-on-year increase...[Details]
Today I made a little thing: the digital tube displays the change value of the proximity switch. The proximity switch is connected to the microcontroller through external interrupt 0; the digital tub...[Details]
When testing the response speed of a power supply, the load is tested in a dynamic function . But where do the rising slope and falling slope of the dynamic parameters of the load come from? First, t...[Details]
Celeno Launches World's First Connectivity Client Chip Combining Wi-Fi, Bluetooth and Doppler Radar New product line leverages Wi-Fi 6/6E, BT/BLE 5.2 and Celeno’s innovative Wi-Fi Doppler radar tec...[Details]
The above two sets of data come from the financial report of iFlytek, which has been controversial recently. Some people believe that iFlytek is supported by government subsidies. iFlytek's po...[Details]
Recently, we learned from relevant channels that RoboSense, a supplier of autonomous driving lidar detection systems, has reached a cooperation with ControlWorks, a Korean automotive electronics syst...[Details]
The latest report released by market research firm IDC shows that the tablet computer and smartphone market in Taiwan in 2020 will be affected by the new coronavirus epidemic, and the total market vo...[Details]
ARM-LINUX-GCC version 4.3.2. Installed in /usr/local/arm/4.3.2. Step 1: Modify the linux-2.6.34/Makefile file, find the following two pieces of information in the makefile and modify them ARCH? = ar...[Details]
ADS7864 is a 12-bit 6-channel A/D converter developed by Burr-Brown. This paper introduces the working principle, internal structure, working mode and programming points of ADS7864. An application ex...[Details]
On April 27, SGS, an internationally recognized testing, inspection and certification organization, and Sichuan Tianfu Energy Storage Technology Co., Ltd. (hereinafter referred to as "Tianfu Energy...[Details]
Several maintenance steps for switching power supplies are as follows:
1. Check whether the rectifier circuit D1-D4 is broken down or open circuit, whether the capacitor of the filter circuit ...[Details]
The Cardboard VR glasses are no longer available for purchase in Google's online store. If you want to buy one as a souvenir, they are still available on Amazon and eBay, but it's hard to imagin...[Details]
The century-old automobile industry is undergoing a great era of change. The transformation of automobiles to electrification and intelligence is an inevitable trend. According to data released by ...[Details]
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