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@@ -7,7 +7,30 @@ The Arduino OBD-II UART Adapter is a product works as an OBD-II to serial UART
Product page: http://www.arduinodev.com/hardware/obd-kit/
-<strong>Directory Descriptions</strong>
+About the library
+-----------------
+In current version of the library, following OBD-II PIDs are defined:
+
+ Vehicle speed (PID_SPEED)
+ Engine RPM (PID_RPM)
+ Throttle position (PID_THROTTLE)
+ Calculated Engine load (PID_ENGINE_LOAD)
+ Absolute Engine load (PID_ABS_ENGINE_LOAD)
+ Engine coolant temperature (PID_COOLANT_TEMP)
+ Intake temperature (PID_INTAKE_TEMP)
+ Intake MAP (PID_INTAKE_PRESSURE)
+ MAF flow pressure (PID_MAF_FLOW)
+ Fuel pressure (PID_FUEL_PRESSURE)
+ Fuel level (PID_FUEL_LEVEL)
+ Barometric pressure (PID_BAROMETRIC)
+ Ignition timing advance (PID_TIMING_ADVANCE)
+ Engine running time (PID_RUNTIME)
+ Vehicle running distance (PID_DISTANCE)
+
+Additional defines can be added to access all OBD-II PIDs which the car's ECU provides.
+
+Directory Descriptions
+----------------------
libraries/OBD - Arduino library for OBD-II adapter