add troubleshooting section

diff --git a/guide/hausner/overview.org b/guide/hausner/overview.org
index c094de5e8a96b48a7f1ba0cd5d98654c7d1871f3..b73f7283dd07ac04ccab11da4e3638e5362606f3 100644 (file)
--- a/guide/hausner/overview.org
+++ b/guide/hausner/overview.org
@@ -59,3 +59,17 @@
     each build stage is prefixed with a letter to make it appear in
     order.
     for example, =a_serial= contains the first build stage.
     each build stage is prefixed with a letter to make it appear in
     order.
     for example, =a_serial= contains the first build stage.

+** troubleshooting
+    to troubleshoot a misbehaving robot, go through these stages
+    in order until you find a stage that does not work correctly.
+
+    first, in =a_serial=, you'll check whether the arduino can
+    communicate over the serial connection with the computer.
+
+    in each stage, make sure the wires shown in the fritzing
+    diagram are correctly connected on your robot.
+    then load the corresponding arduino sketch to your robot
+    and either check the serial monitor, or turn on the motor battery.
+
+    this will help you pinpoint exactly where the problem lies on your
+    robot.