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What exactly is an OBD scanner?

What an OBD scanner is and why it's important when a car is having problems will be covered in this blog. We'll also examine the advancements made so far in OBD technology and how it has changed over time. 

If you're a passionate engineer, you might be interested in automotive electronics. You have probably come across terms like ECU (Electronic control unit), ABS (anti-lock braking system), and ACS (Adaptive cruise control) if you are interested in the automotive industry and embedded cars. 

Onboard diagnostics, or OBD as it is shortened, is another key phrase used there. We utilize the OBD method to diagnose problems with automobile systems (such as those in cars and trucks), and we use an OBD scanner to identify a system malfunction using the OBD method. 

Describe the OBD  

OBD is the acronym for onboard diagnosis. OBD is a feature that aids in keeping track of problems and performance in the vehicle's engine, gearbox, and other subsystems. Onboard diagnostics, or OBD for short, is the process of scanning a vehicle using an onboard computer. 

The computer/Embedded system gathers data from the vehicle's sensors, which the system can use to control the vehicle's systems or notify the driver of issues. The OBD system can then be plugged into by a technician to collect vehicle data and identify the issue. 

What is the purpose of using an OBD scanner? 

The OBD scanner, which we already know how to use, analyses issues with automobile cars. You won't be able to identify the true nature of your car's issue without them. This tool is frequently used by mechanics to identify automotive issues. 

How does the OBD System operate? 

To provide a comprehensive monitoring system with standardized access, a basic OBD system consists of a central system, indications, a network of sensors, and a connecting port. It is made up of the following elements: 

ECU: The Electronic Control Unit, or ECU, is the main component of the OBD system. The purpose of the ECU is to gather data from various sensors located throughout the vehicle. The ECU uses this information to either regulate the vehicle's components, like the fuel injectors, or to keep an eye out for problems. 

Sensors: In vehicles, every component—from the engine and chassis to the electronic system itself—is covered by a network of sensors. Each of these systems transmits codes to the ECU that detail the signal's source and other details. This signal is then read, monitored, and displayed by the ECU. 

DTC: The ECU saves information as a code known as a Diagnostic Trouble Code, or DTC, whenever a sensor transmits data that is outside of the expected range. In essence, the DTC code is a list of letters and numbers that describe the type of issue. 

 MIL: The ECU sends a signal to the dashboard of the vehicle to turn on the appropriate indicator lights when it receives a DTC code. The Malfunction Indicator Lights, or MILs, are lights that serve as an early warning system for vehicle defects. 

In general, a light that comes on and stays lit indicates a minor issue. When the light flashes, a major issue is present. 

DLC: can use the Diagnostic Link Connector, or DLC, to access all the data and DTC gathered by the ECU. The DLC, which can be found elsewhere in commercial vehicles, is the point of access for vehicles with OBD systems and is frequently found underneath the dashboard on the driver's side of the vehicle. 

The OBDII system in modern vehicles is designed to be universal, allowing any scan tool with a type 2 cable to connect to the type 2 connector. 

What is the OBD Scanner's Mechanism? 

The status of the vehicle's subsystems can be checked by the technician using onboard diagnostics systems. Knowing the state of the vehicle is important for both the car manufacturer and the car owner. 

You must plug in the OBD scanners, which are often found on the bottom of the dashboard directly next to the driver's side door, to obtain the vehicle's subsystem data. You will be able to read a sequence of numbers that reflect frequent concerns once you plug the scanner in and turn it on. 

The list of codes in your Owner's Manual will correspond to the codes you read on the OBD scanner. Note your findings after copying the codes and comparing them with the instructions. You will have a thorough understanding of the problem. can solve the most typical problem on your own. For such products, a mechanic is not necessary. 

What information does the OBD Scanner provide? 

OBD-II provides a standardized method to obtain several types of data, such as: 

  • RPM, speed, pedal position, spark advance, airflow rate, coolant temperature, etc. are real-time parameters. 
  • "Check Engine" light status 
  • Status of emission readiness 
  • DTCs are diagnostic problem codes. 
  • Mileage logged with MIL on the vehicle identification number (VIN) 
  • Freeze frame: a "snapshot" of the parameters taken right after a problem occurs. 
  • Results of an oxygen sensor test 
  • Numerous cycles of igniting 

Can an OBD Scanner be used to diagnose the entire vehicle? 

You can only read the automobile problems with an OBD scanner. You cannot fully diagnose it. Only some automobile brands can be diagnosed with an OBD reader because each car brand has a unique plug. The car has an OBD2 plug if it has a petrol engine and was manufactured in Europe in 2001 or later, as was previously specified. OBD2 became mandatory for diesel vehicles in 2004. 

Conclusion  

The OBD scanner is the tool used to scan the data collected from the internal sensor and actuator from the car, it can be inferred from the foregoing. 

Many people install the OBD scanning system in their automobile after realizing how important it is. The only precaution you need to take while performing these tasks alone is to make sure you are wearing the appropriate protective gear, such as gloves and goggles, to protect yourself from any unforeseen or unpredictable circumstances. 


By Swetha Parvathy February 24, 2025
The Internet of Things (IoT) has revolutionized the way we live and work, connecting billions of devices and transforming industries. As we look to the future, it's clear that IoT will continue to play a major role in shaping our world. In this blog, we'll explore the top trends and predictions for the IoT industry over the next five years. Trend 1: Increased Adoption of Edge Computing Edge computing is a distributed computing paradigm that brings data processing closer to the source of the data, reducing latency and improving real-time decision-making. As IoT devices become more widespread, edge computing will become increasingly important for processing the vast amounts of data generated by these devices. Trend 2: Growing Importance of Artificial Intelligence (AI) and Machine Learning (ML) AI and ML will play a crucial role in the future of IoT, enabling devices to learn from their environment and make decisions autonomously. This will lead to increased efficiency, productivity, and innovation across various industries. Trend 3: Expansion of IoT into New Industries IoT is no longer limited to traditional industries like manufacturing and logistics. Over the next five years, we can expect to see IoT adoption in new industries such as: - Healthcare: IoT will enable remote patient monitoring, personalized medicine, and improved healthcare outcomes. - Agriculture: IoT will optimize crop yields, reduce waste, and improve supply chain efficiency. - Smart Cities: IoT will enable cities to become more efficient, sustainable, and livable. Trend 4: Increased Focus on Security and Privacy As IoT devices become more ubiquitous, security and privacy concerns will become increasingly important. We can expect to see a greater emphasis on secure-by-design principles, encryption, and secure data storage. Trend 5: Advancements in Wireless Communication Technologies Wireless communication technologies like 5G, Wi-Fi 6, and Bluetooth 5 will continue to evolve, enabling faster data transfer rates, lower latency, and greater connectivity. Prediction 1: IoT Devices Will Exceed 50 Billion by 2025 The number of IoT devices is expected to grow exponentially over the next five years, driven by increasing demand for smart home devices, wearables, and industrial IoT solutions. Prediction 2: IoT Will Drive Business Model Innovation IoT will enable new business models, such as product-as-a-service, data-driven services, and subscription-based models. Companies that adopt IoT will need to rethink their business strategies to remain competitive. Prediction 3: IoT Will Improve Sustainability and Reduce Carbon Footprint IoT will play a critical role in reducing carbon emissions and improving sustainability. By optimizing energy consumption, reducing waste, and improving supply chain efficiency, IoT will help companies meet their sustainability goals. Conclusion The future of IoT is exciting and rapidly evolving. Over the next five years, we can expect to see increased adoption of edge computing, AI, and ML, as well as expansion into new industries. As IoT continues to transform industries and improve our lives, it's essential to stay informed about the latest trends and predictions. By doing so, we can unlock the full potential of IoT and create a more connected, efficient, and sustainable world.
By Swetha Parvathy February 13, 2025
Inductors are a crucial component in electronic circuits, playing a vital role in filtering, impedance matching, and energy storage. With so many types of inductors available, selecting the right one for your circuit can be a daunting task. In this guide, we'll walk you through the key factors to consider when choosing an inductor, helping you make an informed decision for your design. Understanding Inductor Types Before diving into the selection process, it's essential to understand the different types of inductors available: 1. Air Core Inductors: These inductors have no magnetic core and are often used in high-frequency applications. 2. Ferrite Core Inductors: Ferrite core inductors use a magnetic core to increase inductance and are commonly used in power supplies and filters. 3. Iron Core Inductors: Iron core inductors use a magnetic core made of iron and are often used in high-current applications. 4. Toroidal Inductors: Toroidal inductors have a doughnut-shaped core and are used in applications where a high inductance value is required. 5. Chip Inductors: Chip inductors are surface-mount devices that offer high inductance values in a small package. Key Factors to Consider When selecting an inductor, consider the following factors: 1. Inductance Value: Choose an inductor with the correct inductance value for your application. Inductance values range from a few nanohenries (nH) to several henries (H). 2. Current Rating: Select an inductor that can handle the maximum current required by your circuit. 3. Frequency Range: Choose an inductor that operates within the frequency range of your application. 4. DC Resistance: Consider the DC resistance of the inductor, as it can affect the overall efficiency of your circuit. 5. Physical Size: Select an inductor that fits within the physical constraints of your design. 6. Temperature Range: Choose an inductor that operates within the temperature range of your application. 7. Cost and Availability: Consider the cost and availability of the inductor, as well as any potential lead-time issues. Additional Considerations 1. Saturation Current: Be aware of the saturation current of the inductor, as it can affect the overall performance of your circuit. 2. Shielding: Consider the shielding requirements of your inductor, as it can affect the overall electromagnetic compatibility (EMC) of your design. 3. Mounting: Select an inductor with a suitable mounting option, such as through-hole or surface-mount. Conclusion Choosing the right inductor for your circuit requires careful consideration of several factors. By understanding the different types of inductors available and considering key factors such as inductance value, current rating, and frequency range, you can select the optimal inductor for your design. Remember to also consider additional factors such as saturation current, shielding, and mounting to ensure the best possible performance. Recommended Products - Ferrite Core Inductors: Our ferrite core inductors offer high inductance values and are suitable for a wide range of applications. - Chip Inductors: Our chip inductors are surface-mount devices that offer high inductance values in a small package. - Toroidal Inductors: Our toroidal inductors have a doughnut-shaped core and are used in applications where a high inductance value is required.
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