VulKan is now available on Raspberry Pi

Recently, raspberry pi 4 officially supported the ValKan. You can see the VulKan dynamics libraries in the usr/lib/arm-linux-gnueabihf/: libvulkan.so.1 libvulkan.so.1.1.97 If you use the command ls -la, you wil find that libvulkan.so.1 is a link, which links to the libvulkan.so.1.1.97. That is to say that the latest version of Raspbian (based on Debian Buster) supports the vulKan 1.1.97. The raspberry […]

Best websites a programmer should visit

Best-websites-a-programmer-should-visit Some useful websites for programmers. When learning CS, there are some useful sites you must know to get always informed in order to do your technologies even better and learn new things. Here is a non exhaustive list of some sites you should visit. This list will get updated as soon as I can get another link, but you […]

A website shows GitHub Ranking

GitHub is a widely used SVN tool in the world. We can see a lot of interesting projects on GitHub. Here I'd like to introduce a GitHub ranking website to you guys. In the user ranking, we can see that Linus, the father of Linux, is among the #1, indicating that Linux is very popular in the open source world. […]

How to change password on Linux

It's quite simple if you want to change your password on Linux. After you log in to the server, you can use the command below to modify your password: passwd After that command, type the password twice (each time with enter, and the password in Linux will not show up on screen). If you are root user, you can also […]

How to change SSH port on Linux

Open the SSH config file: sudo vim /etc/ssh/sshd_config find the line with default port 22. In vim normal-mode (once you opened the vim, it is under normal-mode), find 22, and change it to the port that you want. Remember, don't use the common port, use the port number from 10000~60000. After that, save the file. and restart the ssh service. […]

Google released three apps to help you quit mobile phone addiction

In Android 10, Google added a number of functions at the system level to help users actively control mobile phone usage habits; such as Focus Mode and the Family Link app, which makes it easy for parents to check the time spent on their children ’s phones. In 2019, Google also launched five apps to help users put down their […]

A way to play steam games on Raspberry Pi

Valve recently released the Steam Link App, which can run games on mobile devices with more powerful machines, while streaming video to mobile devices. Even better, Steam Link (beta) also supports Raspberry Pi! The principle of Steam Link is to use WiFi network to stream the computer screen to the Raspberry Pi, and the connected gamepad on the Raspberry Pi […]

RaspAP: Easy way to deploy wireless AP on Raspberry Pi

RaspAP is a software solution that can easily deploy the Raspberry Pi as a wireless AP (Access Point). It has a set of responsive WebUI to control WiFi, which is as convenient as a home router. RaspAP can run on Raspbian. You only need to install the Raspbian system for Raspberry Pi first, and then you can easily complete the […]

A easy way to read data from DHT11 on Raspberry Pi

Introduction DHT11 is a commonly used temperature and humidity sensor, but it is not easy to read on the Raspberry Pi. In the examples, most of them are analyzed by libraries or read signal pins directly. Although these methods are effective, they are not simple and convenient. The official Raspberry Pi system comes with a simple method that can easily […]

Run Linux and Python on a Business Card

For an engineer, how to declare his strength on a business card? It might be a good idea to build a complete computer on it. George Hilliard, an embedded system engineer in the United States, has attracted attention. He used his business card as the "motherboard" and printed all the components needed for the computer system in a small space, […]