ArduinoOBD

OBD-II library and sketches for Arduino

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Arduino OBD-II Adapter Library & Sketches

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OBD-II Adapter for Arduino is a product that works as a vehicle OBD-II data bridge for Arduino (literally all embedded platforms) with open-source Arduino library provided. Besides providing easy-to-use OBD-II data access, it also integrates 9-DOF motion sensor and voltmeter for measuring vehicle battery power. The adapter draws power from OBD-II port and convert it to 5V for powering attached device.

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About the library

Most commonly use PIDs are defined in OBD library as followings.

Engine

PID_RPM – Engine RPM (rpm)
PID_ENGINE_LOAD – Calculated engine load (%)
PID_COOLANT_TEMP – Engine coolant temperature (°C)
PID_ENGINE_LOAD – Calculated Engine load (%)
PID_ABSOLUTE_ENGINE_LOAD – Absolute Engine load (%)
PID_TIMING_ADVANCE – Ignition timing advance (°)
PID_ENGINE_OIL_TEMP – Engine oil temperature (°C)
PID_ENGINE_TORQUE_PERCENTAGE – Engine torque percentage (%)
PID_ENGINE_REF_TORQUE – Engine reference torque (Nm)

Intake/Exhaust

PID_INTAKE_TEMP – Intake temperature (°C)
PID_INTAKE_PRESSURE – Intake manifold absolute pressure (kPa)
PID_MAF_FLOW – MAF flow pressure (grams/s)
PID_BAROMETRIC – Barometric pressure (kPa)

Speed/Time

PID_SPEED – Vehicle speed (km/h)
PID_RUNTIME – Engine running time (second)
PID_DISTANCE – Vehicle running distance (km)

Driver

PID_THROTTLE – Throttle position (%)
PID_AMBIENT_TEMP – Ambient temperature (°C)

Electric Systems

PID_CONTROL_MODULE_VOLTAGE – vehicle control module voltage (V)
PID_HYBRID_BATTERY_PERCENTAGE – Hybrid battery pack remaining life (%)

Additional defines can be added to access other OBD-II PIDs.

Directory Descriptions

libraries - all Arduino libraries needed for OBD-II adapter and kits

samples - several simple sketches for testing purpose

nanologger - OBD-II data logger working with 128x64 monochrome OLED display (for Arduino Nano)

megalogger - OBD-II and GPS data logger based on 320x240 TFT LCD display (for Arduino MEGA)

megaloggerHD - OBD-II and GPS data logger based on 480x320 TFT LCD display (for Arduino MEGA)

tester - a testing sketch for OBD-II communication and capability

utilites - useful utility source code for development

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名称与所有者stanleyhuangyc/ArduinoOBD
主编程语言C++
编程语言C++ (语言数: 2)
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创建于2013-03-24 16:58:43
推送于2024-02-14 09:56:48
最后一次提交2024-02-14 20:56:45
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