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.
8×8 LED-Matrix with Raspberry and Lazarus
Would you like to drive a 8x8 LED matrix with a Raspberry Pi and Lazarus? But you do not know how? Then find a solution proposed in this article.
Coding for Kids: Guess the number
Guess the number was the first program that I have developed with my son. As a kind of appetizer to kindle the desire for programming.
Coding for Kids
Those who have children and like to code, sooner or later got the question of how to get the children into it also. That can be a big challenge, because WhatsApp, Minecraft and Co. are hard to beat in interest of the children here.
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.
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.
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.
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.
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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