Added a simple DC motor example

diff --git a/Examples/DC_motor_speed_control/DC_motor_speed_control.ino b/Examples/DC_motor_speed_control/DC_motor_speed_control.ino
new file mode 100644 (file)
index 0000000..086bee0
--- /dev/null
+++ b/Examples/DC_motor_speed_control/DC_motor_speed_control.ino
@@ -0,0 +1,21 @@
+#define DRV_IN1        11
+#define DRV_IN2        10
+#define DRV_EN 12
+#define POT            A0
+
+void setup()
+{
+    pinMode(DRV_IN1, OUTPUT);
+       pinMode(DRV_IN2, OUTPUT);
+       pinMode(DRV_EN, OUTPUT);
+       pinMode(POT, INPUT);
+       digitalWrite(DRV_IN1, LOW);
+       digitalWrite(DRV_IN2, LOW);
+       digitalWrite(DRV_EN, HIGH);
+}
+
+void loop()
+{
+       // Instead of /4, map() or >>2 can be used.
+       analogWrite(DRV_IN1, analogRead(POT) / 4);
+}

diff --git a/Examples/DC_motor_speed_control/DC_motor_speed_control.png b/Examples/DC_motor_speed_control/DC_motor_speed_control.png
new file mode 100644 (file)
index 0000000..c8eb609
Binary files /dev/null and b/Examples/DC_motor_speed_control/DC_motor_speed_control.png differ

diff --git a/Examples/DC_motor_speed_control/tinkercad_link.txt b/Examples/DC_motor_speed_control/tinkercad_link.txt
new file mode 100644 (file)
index 0000000..188b34e
--- /dev/null
+++ b/Examples/DC_motor_speed_control/tinkercad_link.txt
@@ -0,0 +1 @@
+https://www.tinkercad.com/things/3tiT8HWMh1X-dcmotorspeedcontrol