JSon config for PicoForm
  https://vmykhalchuk.github.io/pf.html
  https://vmykhalchuk.github.io/pinkyvolt/toolkit/picoform/picoform.html
  https://github.com/vmykhalchuk/vmykhalchuk.github.io/blob/master/pinkyvolt/toolkit/picoform/picoform.txt


{
  "title": "Life Expectancy Increase",
  "items": [["select=Board","Uno=1024","Mega=4096"],["number=Areas","min=1","max=10","value=1"]],
  "result": "'x'+Math.round($1/$2/2*10)/10+' times'"
}
