Raspberry Pi

In this tutorial we achieve a data logger for several sensors connected to Raspberry. The sensors data will be stored in a MySQL database and displayed by a chart with Highcharts

Emmeshop tutorial datalogger mysql

Enable your Raspberry to control relay, led, sensor and digital input remotely with Phidget WebService.
"The Phidget WebService is a background process that broadcasts all events and data from a USB Phidget over the network:
It uses link local addressing which allows you to use simple server names in your code. The link local addressing is provided by the programs Bonjour, avahi, or mDNSResponder, depending on your system, and the correct program is either installed already or with the Phidget libraries.

In this tutorial we will see how to use the serial port on Raspberry Pi.

In this tutorial we will create an easy time & attendance system using a Raspberry Pi and a Phidgets RFID read-write.

We will use a web page to display the current time, and a confirmation message for employees and all movements (incoming or outgoing) will be stored in a file.

Telegram is a very versatile instant messaging software that can be used with the same phone number on different devices simultaneously.
In this tutorial we saw how to install it, and we tried to send text and media messages.
We have also seen that it is possible to set the Raspberry to send messages automatically.

In one of our last tutorials we have installed WhatsApp on Raspberry.
Whatsapp at the moment is definitely the most famous app for messaging services, but there are also many alternatives although little known. One of these is Telegram.

This tutorial describes how to build a stand alone video surveillance system based on Raspberry Pi.

We will use a Raspberry Pi Camera that continuously record the video on a usb flash drive. This creates video files of 15 minutes continuously. Periodically, the oldest files are deleted to free space.

To watch the recording just extract the pen drive and connect it to the computer.

Install TP-LINK TL-WN725N Wireless N Nano USB Adapter on Raspberry, the driver attached has been tested with Raspbian Kernel version 3.12.33

Verify your version kernel with

uname -a

Update your system with

sudo apt-get update
sudo apt-get upgrade
sudo rpi-update

reboot and download the driver

wget http://www.blog.emmeshop.eu/sites/files/image/8188eu-20141107.tar.gz

untar

tar -xzf 8188eu-20141107.tar.gz

In this tutorial we will see how to use WhatsApp with Raspberry Pi.

We will use the Yowsup library we had already used in these tutorials: WhatsApp message from Phidgets SBC , Phidgets WhatsApp - ask the status of your sensors.

These days the library has been completely rewritten and improved, so we will see how to install it and use it.

This is the third article in Home automation with Phidgets and Raspberry.
In previous articles we saw how to interact with the digital outputs and digital inputs.
Now we will see how to read the values of some sensors directly on your smartphone or tablet.

In the previous tutorial we saw how you can drive the digital outputs of the Phidgets 1018 remotely, in this tutorial instead we will check the status of the digital inputs, which can be connected to magnetic contacts, push buttons, switches, etc.

In previous tutorials we used Raspberry Pi to drive Phidgets InterfaceKit. We have also set up a web server on Raspberry.
In this tutorial we will use the information gathered to create an Home Automation System managed with a Web Application.

This tutorial will describe how to install and set up a light web server on Raspberry Pi that supports PHP and MySql.

Apache is the most widely used server, but Raspberry has limited resources so it is better to opt for a system that uses less resources.

There are many alternatives to Apache, in this tutorial we chose nginx.

In this tutorial, we will use an RFID tag reader writer with Raspberry.

The abbreviation RFID stands for Radio Frequency IDentification, as the name suggests is a system for the identification of objects, people or animals by means of radio frequency.

The basic system requires a reader and a tag or transponder, previously programmed to contain the information.

The tags can be supplied (Tag Active) or not (Passive Tag), in this guide we will use passive tags.

When the reader and the tag are near, the tag is activated and returns his information.

In this tutorial we will use a Raspberry pi with a Phidgets Temperature Sensor connected to a thermocouple.

The data will be displayed in a scrolling graph in real time.

The image below makes clear the purpose of the project

 

Live Chart Temperature

You’ll need:

RASPBERRY-PI - SBC, MODEL B+, 512M

or

In this tutorial I will use a Raspberry Pi to drive a Phidgets InterfaceKit 888.
You’ll need:

RASPBERRY-PI - SBC, MODEL B+, 512M

or

RASPBERRY-PI - SBC, MODEL B, 512MB

MIcroSD Card 8GB Class 10

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