Build Raspberry Pi GPS location/navigation device
Hardware & GPIO
Hardware & GPIO

Build Raspberry Pi GPS location/navigation device

Felix - 13. April 2018

While every smartphone has GPS, the Pi can also be converted into a GPS receiver with a cheap Raspberry Pi GPS module. In many outdoor applications, especially those that move (Car-PC, weather balloon, etc.), the exact position is a big advantage. Mobility is achieved with a battery pack or a USB power bank. In this […]

Connect and control Raspberry Pi motion detector PIR
First Steps, Hardware & GPIO
First Steps, Hardware & GPIO

Connect and control Raspberry Pi motion detector PIR

Felix - 9. April 2018

Due to its design, the PIR motion sensor module is very easy to use because it already has the components installed. Raspberry Pi motion detectors in home automation and/or outdoor applications (as a classic outdoor motion detector) are easier than ever to implement. I will show the commissioning in this tutorial.

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 […]

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.

Fan control for better Overclocking of the Raspberry Pi
Hardware & GPIO
Hardware & GPIO

Fan control for better Overclocking of the Raspberry Pi

Felix - 6. March 2018

Who has his Raspberry Pi running as a Server, etc., will quickly realize that the little giant can become very hot. To a certain extent, one can surely ignore this, but if the Pi is running day and night, you should pay attention to the temperature (especially in a housing). Since I also had this […]

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