After downloading 2 LISP interpreters only to find them rather amateurish (I'm sorry, but if I, a complete LISP newbie, happen to crash the interpreter on my 2nd sexpr eval, something is wrong)...I ...

We’ve seen tiny microcontroller-based computers before, but nothing like this. Where the usual AVR + display + serial connection features BASIC, Forth, or another forgotten language from the annals of ...