The concept of solder maskThe solder mask is the part of the printed circuit board that will be covered with green paint. In fact, the solder mask uses a negative film output, so after the shape of th...
AD official commonly used component library (original package library, schematic library, PCB library). There are 5 files in total, you can choose to download according to your actual needs.AD compone...
The U.S. Department of Justice said on the 8th that they seized more than $3.6 billion worth of Bitcoin (calculated at the time of seizure) stolen from the virtual currency exchange Bitfinex in 2016 w...
[i=s]This post was last edited by ddllxxrr on 2022-4-9 17:17[/i]Following the previous post, I wanted to use the serial port to control the playback. I remember it was probably on the day of Qingming ...
In the previous two issues, we introduced the principles and related parameters of LiDAR. This is the last issue of the radar series. We mainly introduce some companies related to the LiDAR industry....[Details]
The cpu/arm920t/start.S program steps are roughly as follows
1. Set the interrupt vector table
2. Set the CPU mode to SVC32 mode and disable IRQ and FIQ interrupts
...[Details]
Preface We want to compile an executable file that runs on the ARM development board, so we need to use the cross-compiler arm-linux-gnueabihf-gcc to compile. For the installation of the cross-comp...[Details]
On April 18, Leishen Intelligent appeared at the Shanghai International Auto Show, bringing to the scene the launch ceremony of the Terminator 1, which ends the high-price prejudice of 1550nm car-siz...[Details]
Before his name became a brand and a household word, Ray Dolby was a pioneer in noise reduction technology. His innovations revolutionized the audio and entertainment industries. Even today, the na...[Details]
Leadcom and Vector form an alliance to jointly develop the electric vehicle market Hangzhou City – November 4, 2022 – Hangzhou Lianxintong Semiconductor Co., Ltd. (Lianxintong), a smart charging an...[Details]
The limited on-chip memory capacity of DSP often makes designers feel stretched, especially in applications such as digital image processing and voice processing, which require strong support from hi...[Details]
Many acetic acid plants use flow measurement instruments such as orifice plates, vortex streets, turbines, and elliptical gears. These flow meters have many disadvantages: they are easy to wear, leak ...[Details]
Type silicon tube, BG2 uses processed 3AX31 type germanium tube, R is 1/8 watt carbon film resistor, changing the value of resistor R can change the pitch. YD is 8 ohm 2.5 inch speaker, power sour...[Details]
(1) Detection circuit Connect the integrated operational amplifier to the compensation network as specified by the manufacturer, and connect it into a simple follower circuit according to the sel...[Details]
On December 22, the latest research from Strategy Analytics showed that Xiaomi's 5G smartphone shipments in Q3 2021 were the same as the previous quarter; Samsung's 5G smartphone shipment share conti...[Details]
Pixel 6 and Pixel 6 Pro are high-end flagships launched by Google in the second half of this year. Their initial selling prices were US$599 (approximately RMB 3,800) and US$899 (approximately R...[Details]
In the previous article "The Crisis and Opportunities of Lithium Battery Development from the Results of Sino-US Negotiations ", the editor focused on analyzing the problems of diaphragms and batte...[Details]
1. Purpose of writing UBIFS is a new file system designed for nand devices. There are also some technical bottlenecks for dedicated file systems such as JFFS2 and YAFFS2, such as: large memor...[Details]
The first step of autonomous driving is positioning. Knowing where you are can guide the route planning and control the car. Currently, cars mainly use GPS navigation. Since GPS is not very accurat...[Details]
PCB Design
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