docs: fix sonar sample

2026-05-26 21:19:35 +00:00 · 2019-10-01 15:54:50 +02:00
parent a6bdedbfc1
commit 6f3ced98cb
2 changed files with 2 additions and 0 deletions
--- a/docs/en/sonar.md
+++ b/docs/en/sonar.md
@@ -70,6 +70,7 @@ def fall(gpio, level, tick):
    done.set()

 def read_distance():
+    global low
    done.clear()
    pi.gpio_trigger(TRIG, 50, 1)
    done.wait(timeout=5)
--- a/docs/ru/sonar.md
+++ b/docs/ru/sonar.md
@@ -70,6 +70,7 @@ def fall(gpio, level, tick):
    done.set()

 def read_distance():
+    global low
    done.clear()
    pi.gpio_trigger(TRIG, 50, 1)
    done.wait(timeout=5)