The little ESP8266 and its relatives have already found it’s way into the developments of commercial devices as well as hobbyists. It is cheap, with tons of features and works super well when connected to an on-line power source. But it’s relatively large hunger for power – because it is WiFi based – was a big disadvantage whenever it came to battery powered devices – that is – until now. Read More →

Say you built a small server – to play your audios or videos – and you want to easily and securely access it in your local network¬† It works great and you consider making a product out of it. Well – here’s the thing – there is no universal, convenient way for users to safely connect to your server – even in their local network. Let’s have a look at the situation, backgrounds and possible workarounds. Read More →

Plenty of services use a standard email-address as login token. This has advantages: The user doesn’t need to remember another keyword and the service provider knows that the email address is unique and can be verified. But there’s one BIG problem: Other people know your email-address and – with it – 50% of your login credentials. How to to eat the cake AND eat it? Read More →