I may have overlooked very fundamental problem of my tiny computer. that is....

Availability of good keyboard which can transmit serial ASCII data in 4800bps. This is not totally general and never find in Best Buy. Actually I have one but 99.99 % of people of the world would not have such a weird keyboard. SO, this time I would present the solution for that.

NOW my tiny computer will automatically execute the program file named "AUTOEXEC.BAS" in SD card and if the file does not exist, nothing will happen. "AUTOEXEC.BAS" is a simple text file and we can edit it by PC and MAC, meaning....

NO MORE EXTRA SPECIAL KEYBOARD TO ENJOY

All you need is battery can provide 3.3V.

Actual operation is explained in the following movie...

HAVE FUN!