All blogs with the topic Raspberry Pi, Arduino, ESP or other microcontroller.

Audio spectrum with 128×32 display

If a 8x8 LED matrix audio level display is ​​insufficient for you, I'll show you in this article how to use a small 128x32 display to view an audio spectrum.

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Audio level with 8×8 LED matrix

If you want to build an audio application with the Raspberry Pi, you will find practical support with the un4seen.com BASS library. In combination with the TMS component for a 8x8 matrix, it can be used to design an interesting audio level display.

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Control you smarthome with mails

A smarthome offers a lot of possibilities. Today, almost everything can be interconnected in this context, providing more convenience, quality of living, cost savings and security. And if you want to access via the Internet, there are still some risks.

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Sensor pushbutton with Darlington pair

If in your projects mechanical buttons are inappropriate: the shape does not fit, the installation space is missing or the color is not good, perhaps a separate sensor button is the right choice.

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On/Off switch for the Raspberry Pi touch display

The 7 "touch screen for the Raspberry Pi is a practical thing for your own projects. But often there are problems with the screensaver. Sometimes the display is simply switched off when you actually want to touch it. Sometimes it is on when it should be off. Ways to improve and control this yourself can be found in this article.

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TACTbox+

My media player enters the next level and becomes the TACTbox+. For the version of my daughter, it had to be a little more stylish - just teenies. How it looks and works now is described in this article.

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Running lights and LED control with Lazarus

With running lights you create amazing effects in a simple way. That's no problem with a Raspberry Pi and some Python code. Even with Lazarus and Free Pascal is easy and visualization is cool.

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Raspberry extensions through connector modules

The more tinkering with the Raspberry Pi, the more circuits you get. If you want to use your Raspi parallel productive 24/7 - e. g. as Smarthome Server - you get constant problems with customizing and extending existing constructions and errors can be anywhere! How that works better, read here.

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