All kinds of electronic gadgets are finding the way into our lives. Our meetings offer a fun experience to find out how these things work by building and programming our own microcomputers and connecting them to the World Wide Web (the Internet). We are covering a very wide field, ranging from electronics over microprocessor hardware and software to programming in several programming languages and simple web server design and other wireless communication. The focus is mainly on the lower end microcontrollers like Arduino, ESP8266 and similar, which are easy to understand and to program. We invite a wide range of participants from all stages of life who not only want to use things but want to make and want to 'play' with things and who want to understand how things (electronics, microprocessors, computers, the internet) work.