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50 of the most important Raspberry Pi Sensors and Components
Hardware & GPIO, Projects
Hardware & GPIO, Projects

50 of the most important Raspberry Pi Sensors and Components

Felix - 22. January 2016

One of the many advantages of the Raspberry Pi is that it is possible to connect almost all standard Arduino and Raspberry Pi sensors and components to the dhtvarious GPIOs. Moreover you can evaluate and / or process the values with programs and other software. This accessory can be used in projects such as Smart […]

Build a Raspberry Pi door / window sensor with Reed Relais
Hardware & GPIO, Projects
Hardware & GPIO, Projects

Build a Raspberry Pi door / window sensor with Reed Relais

Felix - 19. May 2019

In addition to a surveillance camera and motion sensors, information about open windows and doors is also of interest to a self-built surveillance system. A check with infrared light barriers or other methods would certainly be possible, but in this case, that is much more complicated. In this tutorial, it will be shown how to easily […]

Raspberry Pi LCD Display: 16×2 Characters Display (HD44780)
Hardware & GPIO
Hardware & GPIO

Raspberry Pi LCD Display: 16×2 Characters Display (HD44780)

Felix - 21. April 2019

The most common controller of multi-line character displays is the HD44780. There are several Raspberry Pi LCD display sizes (8×2, 16×2, 20×4, etc.) that run with it. In this tutorial, I will show how to make a 16×2 character display and also run a test script.

Raspberry Pi Tablet “Sunfounder RasPad” Review & Setup
Hardware & GPIO, News
Hardware & GPIO, News

Raspberry Pi Tablet “Sunfounder RasPad” Review & Setup

Felix - 5. April 2019

Almost every project is possible with the Raspberry Pi. This includes also a complete Raspberry Pi Tablet that we can use for different applications. Either as a multimedia tablet or as a panel for the smart home. In this article, I’d like to introduce the Sunfounder RasPad – a beginner-friendly 10.1-inch Raspberry Pi tablet that […]

Review of the 7″ Raspberry Pi Touchscreen Display
News
News

Review of the 7″ Raspberry Pi Touchscreen Display

Felix - 5. April 2019

There is an official 7-inch touchscreen module for the Raspberry Pi: After testing it under different applications for some time and also putting together a FAQ thread, in this article I summarized my impressions and the advantages and disadvantages of the display.

Setting up Raspberry Pi 3 Wi-Fi and Bluetooth
First Steps
First Steps

Setting up Raspberry Pi 3 Wi-Fi and Bluetooth

Felix - 3. March 2019

The Raspberry Pi 3 Model B has an integrated Wi-Fi and Bluetooth adapter. You can set up the Raspberry Pi 3 Wi-Fi on the desktop, as well as on the console. With the same price as the predecessor models, you can save the money for a USB adapter with a Raspberry Pi 3 and ideally […]

Connect a Raspberry Pi Keypad – Code Lock
Hardware & GPIO
Hardware & GPIO

Connect a Raspberry Pi Keypad – Code Lock

Felix - 17. February 2019

For the Arduino and Raspberry Pi there are some keypad matrixes that can be connected and read relatively easily. Similar to the numpad on a keyboard, these keypads have 3×4 or 4×4 keys. These modules can be used, for example, as code locks or for the construction of a small pocket calculator. With help of […]

Raspberry Pi Web Server Installation Part 6 – DNS Server via No-IP
Webserver
Webserver

Raspberry Pi Web Server Installation Part 6 – DNS Server via No-IP

Felix - 1. February 2019

Part 6 of the web server installation is about making the server available outside of the local network using a DNS server (such as No-IP, DynDNS).

Read Capacitive Soil Moisture Sensor DFROBOT Gravity on the Raspberry Pi
Hardware & GPIO
Hardware & GPIO

Read Capacitive Soil Moisture Sensor DFROBOT Gravity on the Raspberry Pi

Felix - 27. January 2019

In the field of Raspberry Pi soil moisture measurement, there are resistive and capacitive sensors, which each have advantages and disadvantages. The innovative Raspberry Pi casting machine / DFROBOT Gravity or “Giess-o-Mat” sensor provides a permanently accurate capacitive measurement, which a.o. in our Raspberry Pi greenhouse can be very interesting. This tutorial is about the structure […]

Expand Raspberry Pi GPIOs with I2C Port Expander
Hardware & GPIO
Hardware & GPIO

Expand Raspberry Pi GPIOs with I2C Port Expander

Felix - 1. December 2018

If you have several smaller or one larger project, you will soon discover that the GPIO pins of the Raspberry are fastly becoming too little. For all of you, this tutorial will show you how to use an I2C Port Expander to easily multiply the GPIO pins many times over.

Raspberry Pi – Build your own UPS (Uninterruptible Power Supply)
Hardware & GPIO, Projects
Hardware & GPIO, Projects

Raspberry Pi – Build your own UPS (Uninterruptible Power Supply)

Felix - 2. September 2018

In some applications, it is important that the Pi continues to be powered in the event of a power outage. If something is written on the SD card at the moment of power interruption, it is possible that the image will become corrupt and thus unusable. A UPS (Uninterruptible Power Supply) ensures that if a […]

How to use Photoresistors (Brightness / Light Sensor) with a Raspberry Pi
Hardware & GPIO
Hardware & GPIO

How to use Photoresistors (Brightness / Light Sensor) with a Raspberry Pi

Felix - 16. July 2018

To use, for example, a weather station, it is important to know the brightness. With a Raspberry Pi light sensor (photoresistor/brightness sensor), it is very easy to determine a value, which can say, for example, if it is day, twilight or night. In turn, projects could be implemented to control the (exterior) lights, which turn […]

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