Mark-World - Tech Projects To Amuse The Curious
Mark-World highlights assorted projects designed and constructed and/or coded by Mark E Johnston of California.
It is after all ...     'what I do'.
( is also

Also see Mark Johnston on LinkedIn

Encouraging others to be creative and make something technical, artistic or musical.  

Contact for consulting

My Ham Callsign is KM6UCT, General Class
Web Sites Of My Other Endeavours In Other Fields are below:

Astrophotography -
My pictures of the objects in our night sky with slideshow on main page
Mark Tunes           -
My origional songs written, performed, and produced by yours truely.
Mark      -
Robots, Software And assorted technical home-made projects      - Daytime photography of the great outdoors

Email can be sent to:       mjstnpub2   <atsign>  att  <dotter>  net

If you wish to do so,  'gratuities' of even tiny amounts may be posted if you are setup to use bitcoin address 1yKJcrkLE7RmsLmZPL3ku5PpazGzNmDSS or Ethereum address 0xbCCEf017Ff00215496A768fb0238893Edf7584B0.   No worries or expectations, key thing is you find the site useful!

Keep On Techin!   

Creativity is the other side of boredom

Once people realize that and overcome the barrier of actually being motivated enough to be creative the world of creativity opens and bordom is put to rest. Try it ... you'll like it!

Besides this site that shows collection of odds and ends my efforts to be creative consist of countless other electronic, musical, and photographic sorts of efforts.    Below are some websites that highlight assorted interresting and in many cases different creative endevours of mine.

I have worked designing numerous high tech devices in Silicon Valley. CA which utilize microprocessor and IO boards as well as embedded realtime software systems for video and microwave test instruments are mentioned on these pages.  This website is to highlight my efforts that are mostly on self motivated projects done on my own.
About Mark-World