Some output from the interpreter:
>about ESP32 ROM Basic (c) 2016 Espressif Shanghai Derived from TinyBasic Plus by Mike Field and Scott Lawrence >help A very Basic ROM console. Available commands/functions: LIST NEW RUN NEXT LET IF GOTO GOSUB RETURN REM FOR INPUT PRINT PHEX POKE STOP BYE MEM ? ' DELAY END RSEED HELP ABOUT IOSET IODIR PEEK ABS RND IOGET USRSimple things like this work:
>run OK >10 print "hello" >run hello OKIf you unplug and replug the device, your program vanishes. The Hackaday article gives the following program that enables GPIO 4 as output, turns it on and then off again, and then prints out the value of the GPIOs inputs in hex.
5 POKE &H3FF44020, 16 10 POKE &H3FF44004, 16 20 DELAY 200 20 POKE &H3FF44004, 0 30 DELAY 200 40 PHEX PEEK(&H3FF4403C) 50 GOTO 10