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How to build a Raspberry Pi Radio Transmitter
Projects, Software
Projects, Software

How to build a Raspberry Pi Radio Transmitter

Felix - 28. June 2018

The Raspberry Pi can be used pretty much for any conceivable application – as well as a radio transmitter. Frequencies from 1Mhz to 250Mhz can be used, including the usual radio frequencies between 88 and 108Mhz. Depending on the position and antenna, the signal can be transmitted up to 100 meters. In this tutorial, I […]

Install Windows 10 IoT on the Raspberry Pi
First Steps, Software
First Steps, Software

Install Windows 10 IoT on the Raspberry Pi

Felix - 28. June 2018

With the release of the Raspberry Pi 2, Microsoft had announced they will provide a version of Windows 10 for the Pi. This has happened now. According to Microsoft, this is only possible with the PC version of Win 10, but it also works on Windows 8.1, as I show in this tutorial. Windows 10 […]

Measuring Soil Moisture with the Raspberry Pi
Hardware & GPIO
Hardware & GPIO

Measuring Soil Moisture with the Raspberry Pi

Felix - 24. June 2018

There are some sensors for the Raspberry Pi that can measure humidity, temperature and other values. Nevertheless, these modules are almost exclusively suitable for the air and not intended for use in the earth. For some projects, such as an automatic plant supply, the moisture of the soil must be measured, then, e.g. refilled with […]

Installing OpenCV on the Raspberry Pi
Projects, Software
Projects, Software

Installing OpenCV on the Raspberry Pi

Felix - 24. June 2018

Anyone who has dealt with image processing in relation to the Raspberry Pi will sooner or later come across the OpenCV library. It provides many very useful features such as face recognition, the creation of depth maps (stereo vision, optical flow), text recognition or even for machine learning. In addition, OpenCV (Open Source Computer Vision) […]

Raspberry Pi: Control Relay switch via GPIO
Hardware & GPIO
Hardware & GPIO

Raspberry Pi: Control Relay switch via GPIO

Felix - 17. June 2018

Often you want to control modules with a higher voltage with the Raspberry Pi. For this purpose, relays can be used on the Raspberry Pi: The relay “switch” is utilized by means of a low-voltage pulse. Since the Pi only tolerates a maximum of 5V (the GPIOs even only 3.3V) without relays, there is the […]

Infrared Distance Measurement with the Raspberry Pi (Sharp GP2Y0A02YK0F)
Hardware & GPIO, Projects
Hardware & GPIO, Projects

Infrared Distance Measurement with the Raspberry Pi (Sharp GP2Y0A02YK0F)

Felix - 17. June 2018

There are some infrared distance sensors from the manufacturer Sharp, which can be operated very simply with the Raspberry Pi. There are different distance meters, which cover different distance ranges. These modules work similarly to laser distance meters, but with infrared light. There, bundled light is emitted by a transmitter and an analogue voltage is […]

Taking Photos with the official Camera Module of the Raspberry Pi
Projects
Projects

Taking Photos with the official Camera Module of the Raspberry Pi

Felix - 17. June 2018

The official Raspberry Pi camera module has the advantage that it doesn’t need any USB ports or GPIO pins and can be used directly via the CSI port. It is available with and without an infrared filter, which for example can be of advantage when shooting at night. This tutorial shows how to set up, […]

Control Raspberry Pi Wireless Sockets (433MHz) – Tutorial
Hardware & GPIO, Home Automation
Hardware & GPIO, Home Automation

Control Raspberry Pi Wireless Sockets (433MHz) – Tutorial

Felix - 16. April 2018

Often you want to be able to control (household) devices with a higher voltage with the Pi. Raspberry Pi wireless-controlled sockets are ideal for this because they are very easy to control and you do not have to interfere with the circuit. For that and many other projects, there are wireless sockets, as they can […]

Raspberry Pi Servo Motor control
Hardware & GPIO
Hardware & GPIO

Raspberry Pi Servo Motor control

Felix - 16. April 2018

In addition to stepper motors, there are also small and cheap servo motors. The control of Raspberry Pi servo motors is very simple and thanks to the small size and weight they are used in many areas. Unlike stepper motors, servomotors can be controlled with a single GPIO. In this tutorial, I’ll show an example of […]

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.

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