2024 Business Card Challenge: NoiseCard Judges the Sound Around You
![A solar-powered decibel meter the size of a business card.](https://hackaday.com/wp-content/uploads/2024/06/noisecard-800.jpg?w=800)
Let’s face it: even with the rise of the electric car, the world is a noisy place. And it seems like it has only gotten worse in recent years. But …read more Continue reading 2024 Business Card Challenge: NoiseCard Judges the Sound Around You