* dk'tronics Real Time Clock
* [[dk'tronics Mouse Interface]]
* Dobbertin [[Dobbertin EPROM 224]] Box
* Dobbertin Real Time Clock
* Dobbertin [[Dobbertin Universeller EPROM Programmer 4004]]* Dobbertin [[HD20Dobbertin Harddisc]] Hard Disk
* [[EMR MIDI Interface]]
* Fischertechnik robot