goroot Blog

Cloud. Architecture. IoT.

Monitor the pH of your reef tank with Tasmota

Monitoring water values of your fish tank is essential. To keep your reef-ecosystem alive, several dozens of water values need to be measured. This can be quite annoying to do that manually all the time. So I just started automating the measurement of them via Tasmota. One of the leading indicators for a fish tank is the pH level of the water. Measuring the pH level gives you a good indication for several other water values as well. Continue reading

Network segregation: IoT vs NoT

IoT devices became quite popular throughout the last years. Everything is connected, anytime. What sounds like a good idea, might actually result in a security hole in your network. As only the vendor knows what a device is actually doing, your IoT devices might bring some features with them that you don’t like. What is the problem with my IoT device? The short answer is: you own it, but you don’t control it. Continue reading