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docs: fix sonar example

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This commit is contained in:
Oleg Kalachev
2021-02-26 15:48:01 +03:00
committed by GitHub
parent e252a1cddc
commit 4f631300d4
1 changed files with 4 additions and 4 deletions
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8
docs/en/sonar.md
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@@ -12,11 +12,11 @@ The distance gage is attached to the body using double-sided tape. For obtaining
### Connection
Connect HC-SR04 to Raspberry Pi according to the connection diagram. Use 1.0 and 2.2 kΩ resistors and any free GPIO pins, e.g., 23 and 24:
Connect HC-SR04 to Raspberry Pi according to the connection diagram. Use 1.0 and 2.2 kΩ resistors and any free GPIO pins, e.g., 23 and 24:
<img src="../assets/raspberry-hc-sr04.png" alt="Connecting HC-SR04" height=600>
> **Hint** Instead of a 2.2 kΩ resistor, you can use two 1 kΩ resistors connected in series.
> **Hint** Instead of a 2.2 kΩ resistor, you can use two 1 kΩ resistors connected in series.
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@@ -54,8 +54,8 @@ import time
import threading
import pigpio
TRIG = 23 is the No. of the pin connected to the Trig contact of the distance gage
TRIG = 24 is the No. of the pin connected to the Echo contact of the distance gage
TRIG = 23 # pin connected to the Trig pin of the sonar
ECHO = 24 # pin connected to the Echo pin of the sonar
pi = pigpio.pi()
done = threading.Event()