How to change password on Linux
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... » read more

How to change SSH port on Linux
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.... » read more

A way to play steam games on Raspberry Pi
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... » read more

RaspAP: Easy way to deploy wireless AP on 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... » read more

A easy way to read data from DHT11 on Raspberry Pi
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... » read more

Run Linux and Python on a Business Card
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... » read more

Raspberry Pi Image Search: Using Tensorflow Lite

image-search-raspberry-pi This is an online image search platform running on the Raspberry Pi via Object detection through Tensorflow lite. It can be used as follows: [x] Search image via URL link [x] Search image via upload an image Requirements numpy==1.16.2 Flask>=1.0.0 requests==2.22.0 Pillow>=6.2.0 Google Edge TPU or Tensorflow Lite (Follow the instructions here), or you... » read more

Basic knowledge of Python

Python is a computer programming language. Computer programming languages are different from the natural languages we use every day. The biggest difference is that natural languages have different understandings in different contexts. For a computer to perform tasks according to a programming language, it must ensure that the program written by the programming language is... » read more