indicate wire colors in comments

[challenge-bot] / build-stages / b_left_sonar / b_left_sonar.ino

diff --git a/build-stages/b_left_sonar/b_left_sonar.ino b/build-stages/b_left_sonar/b_left_sonar.ino
index 4b648b238c8131902b27c1a4f11b6fbe284b103a..9c323e9f0769b706cd384362448b2ba7afae75a7 100644 (file)
--- a/build-stages/b_left_sonar/b_left_sonar.ino
+++ b/build-stages/b_left_sonar/b_left_sonar.ino
@@ -12,7 +12,9 @@
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+// yellow wire
 int left_echo_pin = 11;
+// blue wire
 int left_trigger_pin = 12;
 
 int ping_microseconds = 0;