Fix readme example to use same code from simpletest#21

Merged

FoamyGuy merged 5 commits intoadafruit:masterfrom

FoamyGuy:dannystaple-readme-patch

Aug 20, 2020

Commits on May 3, 2020

Update to the correct distance call
dannystaple
authored

Commits on Jun 21, 2020

Commits on Aug 20, 2020

make readme example match simpletest
FoamyGuy
committed