Update 2015-08-21: Added the wiring diagram. Update 2015-08-24: The documentation for the minimal version is online here. There is a large cellar where I could store unused items and documents, but the catch is the humidity there. It is a root cellar near a small brook and the humidity varies between 75% up to 90%….
Category: Projects
This category contains all projects.
How to Create Color Changing Xmas Decoration
Update: Read the full project description here. The days are getting shorter. You do not have to fear the dark, this is the right time to create a fancy color changing Xmas decoration. This is a very simple project and is quickly done. Required Parts “Silver” laminated paper and/or half transparent paper. NeoPixels from Adafruit…
A New Library for Meggy Jr RGB
I planed to create a game as a gift and use the really great Meggy Jr RGB platform for it. See the picture above, it’s a great game machine powered by the ATmega328P (buy it here). You can use the Arduino IDE to program it. After assembling the device, I played a little bit around…
From Prototype to the Final Device
After successful testing of the prototype, I created the final device. I added a final page to the Cat Protector project describing step by step how the final device is built from the prototype. You can read all details here: From the Prototype to the Final Device, or start here with the project overview.
Using the TDA 7052 as Amplifier
The LM386N-1 I used before worked well, but has some disadvantages. There was a hearable distortion in the sound and I needed more amplification to create the required loudness. I found the TDA 7052 chip, which was formerly produced by Philips, but now by NXP semiconductors. It contains everything required for an amplifier. You just…
The Cat Protector Project
If you own a cat, you know even if your cat is well brought-up, laws are only valid as long you are at home or even in the same room. The goal of this project was to create a small device, which detects movement in protected areas (e.g. tables) and speak your usual phrases in your voice…