Added driver for HC-SR04 ultrasonic range sensors

mmabey · tannewt · commit 0fa015c2c717 · 2017-08-06T15:41:12.000-07:00
diff --git a/.gitmodules b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "libraries/helpers/example"]
 	path = libraries/helpers/example
 	url = https://github.com/tannewt/CircuitPython_Example.git
+[submodule "libraries/drivers/hcsr04"]
+	path = libraries/drivers/hcsr04
+	url = https://github.com/mmabey/CircuitPython_HCSR04.git
diff --git a/libraries/drivers/hcsr04 b/libraries/drivers/hcsr04
@@ -0,0 +1 @@
+Subproject commit 353ceeb3982d99ea3de4581f70a6859ba674608a
