Linux’s modular structure makes it the ideal basis for all sorts of projects in measurement and control. A custom control system can be written in virtually any programming language you choose, with the user interface served up as a web page to a PC, tablet or smartphone. In this article we will connect the Elektor Linux board to a typical home network and then show how to write our own server application. We finish with a look at the Lua scripting language. Part 1 - Kickoff Part 2 - Hardware Part 3 - Software development Part 4 - A look at the kernel Part 5 - I/O, ADC, PWM, LAN & Web server Part 6 - Networks and servers