raspberry pi hub

0 PrefaceThis article explains how to install Mosquitto on a Raspberry Pi. In this article, two simple examples of how to use the MQTT protocol for message subscriptions in the Raspberry Pi include the mosquitto_sub instruction to implement message subscriptions and Paho-python extension libraries to enable remote cont

Use Raspberry Pi to send push notifications to smartphones This project explains how to send push notifications from Raspberry Pi to iOS and Android devices. You only need to use a free push app. The main idea here is to use an electromagnetic sensor door to trigger information push events. When the electromagnetic doo

BackgroundAlways wanted to beat the drums to something. When you see the Raspberry Pi, that's it.Raspberry Pi can install the Linux system, and I am in work, can be said to be Linux half the working environment. Raspberry Pi is really a good thing, this thing should be in my

reprinted from http://ukonline2000.com/ Raspberry Pi System image burned to MICRO-SD cardPosted on December 14, 2015 Preparatory work: 1. A 2G or more SD card, preferably a high-speed card, recommended CLASS4 more than the card, because the card speed directly affect the speed of the Raspberry Pi. 2. Download the

What's this?"Roomblock" is a robot platform consists of a Roomba, a Raspberry Pi 2, a laser sensor (RPLIDAR) and a mobile battery.The mounting frame can be made by 3D printers. ROS navigation system enable to make a maps of rooms and use it to reach to the goal autonomously.Who need this?Anyone want to learn the cutting-edge technologies of robotic navigation, mapping, and autonomous driving. This robot can

A while ago to start a Raspberry Pi, the price of 200多 points, but with the purchase of Chargers, wireless card, memory card and so on, counted less said also has 300;Buy Raspberry Pi 2 B, the configuration is better than before.Because it is a novice, so at first did not buy the whole thing (did not buy memory card),

Raspi-config is a Raspberry Pi configuration tool designed and maintained by Alex Bradbury for Raspbian Systems.1. Usage (usage)When you start Raspbian for the first time, there will be rasp-config hints. To open this configuration tool, simply enter the following command on the terminal:sudo raspi-configsudo administrator permissions are required because the files you want to modify are not owned by the

Raspberry Pi 3 generation Raspberry3 B type Small white introduction first stepHello, everybody, all right! I admit that I was a rookie, yesterday was the first day of real contact with the Raspberry Pi, before they are looking at some of the works of other great gods, feeling this gadget is still very magical, a few d

With a network cable directly connected to the computer, not through the router. The biggest feature of this method is playing Raspberry Pi with the fewest tools. Ready to work, burn Raspbian system to SD card. Just looked at the website under the new system download, http://www.raspberrypi.org/downloads/, the next 2014-01-07 that 1.3.4 version of the. Then format the SD card in fat format. I use the win7 s

Reprint: https://null-byte.wonderhowto.com/how-to/hack-radio-frequencies-hijacking-fm-radio-with-raspberry-pi-wire-0177007/software-defined Radio and Signals intelligence, we learned how to set up a radio listening station T o Find and decode hidden radio signals-just like the hackers who triggered the emergency siren system in Dallas, Texas, Probably did. Now so we can hear in the radio spectrum, it's time

How to enable Raspberry Pi to enter the graphic interface by default I have been buying Raspberry Pi for some time, but to be honest, I have hardly used it to do anything. After my Dell super book was delivered to the Dell Service Center (for weeks), I began to use Raspberry