* [[Dk'tronics_Speech_Synthesizer|DKTronics Speech Synthesiser]] (ROM Version)
* [[Dk'tronics_Lightpen|DKTronics Lightpen]] (ROM Version)
* [[Dk'tronics_memory_expansion|DKTronics 64K Expansion]]
* Hundreds of homemade expansions
* Collection of Atari / Spectrum / Commodore computers and hardware
==== Hardware Projects ====