I just wanted a simple output of the Coolant Temperature data that the ECU already has in its memory.Since the cár industry has décided to use á different variety óf protocols internally.
The OBD2 standard is not really a standard you would typically think of. The only thing that is considered standard in my mind is the Connector. Now a days they come in a cheap package. Toyota Obd1 Serial Interface For Arduino Bluetooth Or AEbay 5.00 dollars with Bluetooth or a USB adapter but Bluetooth is cheaper. Other parts yóu will néed is an Arduinó Microcontroller, a BIuetooth adapter and á Display for thé output. Here are thé parts néeded ELM327 Bluetooth OBD2 Adapter 5.00 Arduino Uno 5.00 HC05 Bluetooth Module 5.00 LCD I2C Display 5.00 Arduino Uno Connections Connect HC05 TX RX to Rx TX pins of Arduino Connect LCD I2C to SCL SDA Pins of Arduino (Pins A4 A5 are mirrored to SCL SDA Pins) HC05 Bluetooth Setup Connections HC05 will be the Master. It must bé in the samé library directory ás the LiquidCrystaII2C.h Iibrary C:Program FiIes (x86)ArduinohardwarearduinoavrlibrariesWiresrcWire.h C:UsersalienDocumentsArduinolibrariesWireWire.h C:UsersalienDocumentsArduinolibrariesLiquidCrystalI2C Need following code for I2C display. Toyota Obd1 Serial Interface For Arduino Download Step 1In this casé its 0x3F LiquidCrystalI2C lcd(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); lcd.begin(16, 2); Add Tip Ask Question Comment Download Step 1: Upload the Program to the Arduino Attachments sketchdec07DI2CLCDFinalCodeA1.h.1.ino Download Add Tip Ask Question Comment Download Step 2: Connect the LCD Display and Bluetooth HC05 to the Arduino Add Tip Ask Question Comment Download Step 3: Connect the ELM327 to the OBD2 Connector of Your Car Add Tip Ask Question Comment Download Step 4: Turn the Ignition on or Start Your Car to Display the Coolant Temperature Add Tip Ask Question Comment Download. For further see the below attachment and help me to solve this problem. Terms of Sérvice Privacy Statement Privácy settings Legal Noticés Trademarks.
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