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ELM327 OBD2 V2.1 Bluetooth Interface Auto Car Diagnostic Scanner

4.930 ratings
903+ bought in past month
AI Summary
USB Interface Module for everyday users

The ELM327 OBD2 V2.1 Bluetooth Interface Auto Car Diagnostic Scanner is a value-for-money usb interface module designed for everyday users. It features Model No. / Name: Scanner and Dimensions (L x W x H) mm: 8.2 x 4.6 x 2.5cm. Customers praise its great value for money and fast and responsive. 100% of buyers rate it 4★ or above.

✓ great value for money✓ fast and responsive✓ accurate and reliable✓ wireless convenience
₹754
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Total: ₹754
Buying tip: A smart budget buy — solid performance without breaking the bank.
Estimated delivery: 17 Aug – 31 Aug
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Quick Specs

Model No. / Name: Scanner
Dimensions (L x W x H) mm: 8.2 x 4.6 x 2.5cm
Weight (g): 45
Color: Back + Orange + Blue
Shipping Weight: 0.15 kg
Shipping Dimensions: 10 × 6 × 5 cm

Ideal For

Electronics projectsArduino / Raspberry Pi buildsPrototyping
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SKU: robu-223562Category: USB Interface Module

About This Product

The ELM327 OBD2 V2.1 Bluetooth Interface Auto Car Diagnostic Scanner is a value-for-money usb interface module designed for everyday users. Customers highlight its great value for money and fast and responsive.

Key Specifications

  • Model No. / Name: Scanner
  • Dimensions (L x W x H) mm: 8.2 x 4.6 x 2.5cm
  • Weight (g): 45
  • Color: Back + Orange + Blue — reliable connection even at a distance
  • Shipping Weight: 0.15 kg
  • Shipping Dimensions: 10 × 6 × 5 cm

Customer Verdict

100% of buyers rated this product 4 stars or above. The most appreciated qualities are: great value for money, fast and responsive, accurate and reliable.

Why Buy from Pricio?

Pricio sources this product directly, cutting out multiple middlemen. Every order includes free shipping, a 15-day return policy, and secure payment via Razorpay.

ELM327 OBD2 V2.1 Bluetooth Interface Auto Car Diagnostic Scanner an on-Board Diagnostics, or OBD, in an automotive context, is a generic term referring to a vehicle's self-diagnostic and reporting capability. OBD systems give the vehicle owner or a repair technician access to the state of health information for various vehicle sub-systems.
The amount of diagnostic information available via OBD has varied widely since the introduction in the early 1980s of on-board vehicle computers, which made OBD possible. Early instances of OBD would simply illuminate a malfunction indicator light, or MIL, if a problem was detected—but would not provide any information as to the nature of the problem.
Modern OBD implementations use a standardized digital communications port to provide realtime data in addition to a standardized series of diagnostic trouble codes, or DTCs, which allow one to rapidly identify and remedy malfunctions within the vehicle.
ELM327 Bluetooth CAN-BUS scan tool supports OBD-II protocols. It is used to read & diagnose trouble codes, clear trouble codes and detect fuel pressure and so on.
The ELM327 Bluetooth adapter gives you the opportunity to "spy" on your car wirelessly. Convert your PC, PDA, Mobile to a diagnostic tool and monitor all critical information of the car's ECU. The Elm327 Bluetooth is an adapter that connects to the car's network and then creates a virtual cable between the adapter and the PC that it is connected. With the help of various open source application for the Elm327, you can have a digital gauge or an advanced. diagnostic system and a powerful performance measurement toll in your screen.
Bluetooth ELM 327 Functions:
  1. Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).
  2. Clear trouble codes and turn off the MIL ("Check Engine" light)
Display current sensor data, including: 
  1. Engine RPM
  2. Calculated Load Value
  3. Coolant Temperature
  4. Fuel System Status
  5. Vehicle Speed
  6. Short Term Fuel Trim
  7. Long Term Fuel Trim
  8. Intake Manifold Pressure
  9. Timing Advance
  10. Intake Air Temperature
  11. Air Flow Rate
  12. Absolute Throttle Position
  13. Oxygen sensor voltages/associated short term fuel trims
  14. Fuel System status
  15. Fuel Pressure

Features:

  1. Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).
  2. Clear trouble codes and turn off the MIL ("Check Engine" light).
  3. Display current sensor data, including:
  4. Engine RPM
  5. Calculated Load Value
  6. Coolant Temperature
  7. Fuel System Status
  8. Vehicle Speed
  9. Short Term Fuel Trim
  10. Long Term Fuel Trim
  11. Intake Manifold Pressure
  12. Timing Advance
  13. Intake Air Temperature
  14. Air Flow Rate
  15. Absolute Throttle Position
  16. Oxygen sensor voltages/associated short term fuel trims
  17. Fuel System status
  18. Fuel Pressure.

Package Includes:

1 x Bluetooth ELM327 device 1 x CD with software & Drivers

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.
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