DIY Open Source Smart Home for 300€ [EN]

#SmartHome #Doorbell #Doorlock #DIY #OpenSource #RaspberryPi I built a smart home within the past year. With everything that seemed useful to me. I only wanted to spend as little money as necessary and use as much open source software as possible. Of course, I shouldn't calculate the time it took for the development because then I could just as easily buy ready made products. But now that I've finished most of it more or less, maybe you can benefit from it. Soon there will be more. Visit https://www.ei23.com for more detail! ... https://www.youtube.com/watch?v=6FkINyLcLnU