Author: seb

Voice over WI-FI with ESP8266


I was reading about this NSA hack where they use a Samsung Smart TV to record audio data in order to potentially spy on its users: I wondered on what would it take to build a similar spy microphone that could send audio over WI-FI, be cheap and small enough to hide it. What […]

Retro computing


Why Old computers fascinate me. With resources so limited they were able to do so much. They can do so much as a result of huge work and clever tricks from both hardware and software designers. Wanting to learn more about them I built myself a some kind of retro computer. What I achieved at […]

Audio player with 8-bit MCU and SD-card storage


This project is an audio player that plays uncompressed music from an SD card, it’s battery powered and can be charged over USB. I named this project “Daria box”. A great source of inspiration for this was Dmitry’s Holiday Card. Goals – (very) low cost – powered by rechargeable battery – low power –> it […]

Boiler control via e-mail and image processing


One of ┬ámy problems was waiting for the water inside the boiler to heat so I can take a bath. After starting the boiler I had to wait 30 minutes in the summer and 1 hour in the winter for the water inside the boiler to reach the desired temperature(45 degrees Celsius). Having to wake […]