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…
Author: Lucky Resistor
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…
How and Why to use Namespaces
Namespaces are a feature of C++ which address the problem of name conflicts. There is a “global” namespace, where everything lives which was declared without namespace. Especially the Arduino environment declares a huge amount of variables and constants there, so it is a good practice to put everything you write in a own namespace. Namespaces…