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Remote Control a Raspberry Pi with 433Mhz Radio Transmitter
Hardware & GPIO, Home Automation
Hardware & GPIO, Home Automation

Remote Control a Raspberry Pi with 433Mhz Radio Transmitter

Felix - 6. April 2018

Whoever is aiming for home automation will sooner or later certainly think about the wireless operation. The 433Mhz frequency is ideal for this because there are many cheap transmitters and receivers as well as a wide range of available libraries and scripts. In this tutorial, I want to show how to use a small handheld […]

How to build Raspberry Pi voice control (home automation)
Home Automation, Software
Home Automation, Software

How to build Raspberry Pi voice control (home automation)

Felix - 6. April 2018

Siri, Amazon Echo and “S Voice” are all voice recognition programs designed to make life easier. Even a Raspberry Pi voice control can be easily built by yourself. Because such a speech recognition is of course very beneficial for home automation. In this tutorial, I’ll show you how to digitize speech through a microphone, convert […]

Run a Raspberry Pi on rechargeable Batteries
Hardware & GPIO
Hardware & GPIO

Run a Raspberry Pi on rechargeable Batteries

Felix - 30. March 2018

Mainly in mobile applications, a static power supply is not always guaranteed or there is no outlet nearby. A Raspberry Pi battery pack or a mobile power supply is beneficial in many cases. In this tutorial, I want to show one way to operate the Pi using normal AA batteries or rechargeable batteries. Of course, […]

Use a Joystick on the Raspberry Pi (with MCP3008)
Hardware & GPIO, Projects
Hardware & GPIO, Projects

Use a Joystick on the Raspberry Pi (with MCP3008)

Felix - 26. March 2018

For some applications, such as games, a joystick can be useful or be even necessary. Since these usually work purely analogously, the signal has to be converted, which we do with the MCP3008 chip. Connecting and reading a joystick is shown in this tutorial.

Raspberry Pi Security Camera with Webcam
Hardware & GPIO
Hardware & GPIO

Raspberry Pi Security Camera with Webcam

Felix - 26. March 2018

A Raspberry Pi surveillance camera can be a cheap alternative to common variants like IP cameras. An ideal Raspberry Pi camera module represents normal webcams that can be used as well, connected via USB. This tutorial shows how to use a webcam with the help of the software fswebcam. In addition, I show different settings […]

Raspberry Pi Traffic Light Circuit with GPIO Part 2
Hardware & GPIO
Hardware & GPIO

Raspberry Pi Traffic Light Circuit with GPIO Part 2

Felix - 22. March 2018

It continues with the second part and the actual Traffic Light Circuit. Let’s take a look at the various Traffic Light Signals on Wikipedia. We want to recreate them at the push of a Button.

Raspberry Pi Traffic Light Circuit with GPIO Part 1
Hardware & GPIO
Hardware & GPIO

Raspberry Pi Traffic Light Circuit with GPIO Part 1

Felix - 22. March 2018

This tutorial is about a simple Traffic Light Circuit using the programmable GPIO Pins via Python. In the next tutorial, we will extend the circuit by a few functions (including an Input).

7 Segment Display (Anode) with MAX7219 / MAX7221 and Raspberry Pi
Hardware & GPIO
Hardware & GPIO

7 Segment Display (Anode) with MAX7219 / MAX7221 and Raspberry Pi

Felix - 20. March 2018

The most common form of 7-segment displays are “Common Cathode”, for which et al. the microchips MAX7219 and MAX7221 are intended. There are also “Common Anode”, which are usually a lot cheaper. However, these are not directly compatible with such a microchip. How it all works is shown in this tutorial. Anyone who wants to […]

Build a Raspberry Pi infrared light barrier and measure speed
Hardware & GPIO
Hardware & GPIO

Build a Raspberry Pi infrared light barrier and measure speed

Felix - 19. March 2018

In this tutorial, I want to show you how to set up and use a small infrared light barrier, which gives a signal as soon as the light barrier is interrupted. By traversing both photocells one behind the other, the speed can be measured.

Control Raspberry Pi via Telegram Messenger
Projects, Software
Projects, Software

Control Raspberry Pi via Telegram Messenger

Felix - 17. March 2018

This tutorial demonstrates how to automatically run scripts for text commands via Telegram after the installation on the Raspberry was covered in the previous tutorial. This allows you to, for example, easily query the status of your Pi’s on the go or simply perform actions remotely via your messenger.

Telegram Messenger on the RaspberryPi
Software
Software

Telegram Messenger on the RaspberryPi

Felix - 10. March 2018

Some of you know about the safer WhatsApp Alternative – Telegram. If you also want to send and receive Messages, Pictures and Videos on your Pi, this is the place for you. All you need is an additional Sim Card to receive the SMS. In a later tutorial, we will use receiving Messages to perform […]

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