100+ Benu Networks Interview Questions and Answers

DF memory stands for Delayed Feedback Memory.

• DF memory is a type of memory system used in digital signal processing.

• It is characterized by the presence of a feedback loop that introduces a delay in the memory access.

• DF memory is commonly used in applications such as echo cancellation and adaptive filters.

• It allows for the storage and retrieval of past data samples to perform calculations and adjustments.

• An example of DF memory is a tapped delay line, where the output of the m...read more

Shallow copy creates a new object but references the same nested objects, while deep copy creates a new object with copies of all nested objects.

• Shallow copy only copies the top-level object, not the nested objects.

• Deep copy creates new copies of all nested objects, ensuring they are independent.

• In JavaScript, shallow copy can be achieved using Object.assign or spread operator, while deep copy can be achieved using JSON.parse(JSON.stringify(obj)).

Requirements in MRP are generated based on the demand for finished goods, lead times, inventory levels, and production capacity.

• MRP calculates requirements by exploding the bill of materials for each finished product

• It considers demand forecasts, customer orders, and safety stock levels

• Lead times for procurement and production are factored in to determine when materials are needed

• Inventory levels are monitored to ensure that enough stock is available to meet demand

• Production ...read more

Firmware update over the air is the process of remotely updating the software on a device without requiring physical access.

• OTA updates allow for seamless and convenient updates to devices without user intervention.

• Devices must be connected to the internet to receive OTA updates.

• OTA updates can be scheduled to minimize disruption to users.

• Security measures must be in place to ensure the integrity of OTA updates.

• Examples of devices that receive OTA updates include smartphones,...read more

The Observer pattern allows objects to subscribe and receive updates from a subject when its state changes.

• Decouples the subject from its observers, promoting loose coupling.

• Useful in event handling systems, like GUI frameworks.

• Example: A weather station (subject) notifies multiple display devices (observers) when the weather changes.

• Supports dynamic subscription and unsubscription of observers.

Embedded C is a subset of C language specifically designed for embedded systems programming.

• Embedded C is optimized for resource-constrained systems with limited memory and processing power.

• Embedded C may have specific compiler directives and keywords for hardware manipulation.

• Embedded C may not support all standard C libraries and features.

• Example: Using 'volatile' keyword for memory-mapped hardware registers in Embedded C.

C is a procedural programming language while C++ is an extension of C with added features of object-oriented programming.

• C is a procedural language, meaning it follows a step-by-step approach to solve a problem.

• C++ is an extension of C and supports both procedural and object-oriented programming paradigms.

• C++ introduces classes, objects, inheritance, and polymorphism, which are not present in C.

• C++ has additional features like exception handling, templates, and namespaces.

• C++...read more

Mux is a device that selects one of several input signals and forwards the selected input into a single line. Bus is a communication system that transfers data between components.

• Mux is used to select one of several input signals and forward it to a single output line

• Bus is used to transfer data between components in a computer system

• Mux is a hardware device while bus is a communication system

• Mux is used in digital circuits while bus is used in computer architecture

• Examples o...read more

Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.

• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Supports the concept of parent and child classes

• Derived class can override methods from the base class

• Example: Class 'Car' can inherit from class 'Vehicle'

Oops concepts are the principles of Object Oriented Programming, including Inheritance, Encapsulation, Polymorphism, and Abstraction.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features.

Communication control service manages communication between different components in a system.

• Communication control service coordinates the flow of information between various parts of a system.

• It ensures that messages are sent and received correctly and in a timely manner.

• Examples include message queues, event-driven architectures, and service-oriented architectures.

Defect Life Cycle is the process of identifying, reporting, fixing, retesting, and closing defects in software.

• Defect Identification: Defects are identified through testing or user feedback.

• Defect Reporting: Defects are reported in a defect tracking tool with details like steps to reproduce, severity, and priority.

• Defect Fixing: Developers analyze and fix the reported defects.

• Defect Retesting: Testers verify that the fixed defects are resolved.

• Defect Closing: Once the defects...read more

AUTOSAR (Automotive Open System Architecture) is a standardized software architecture for automotive systems.

• AUTOSAR is a layered architecture consisting of four layers: Application Layer, Runtime Environment (RTE) Layer, Basic Software Layer, and Microcontroller Abstraction Layer (MCAL).

• Each layer in AUTOSAR has specific responsibilities and interfaces with other layers to ensure modularity and reusability of software components.

• For example, the Basic Software Layer provides...read more

Event loop in Node.js manages asynchronous operations by executing callback functions when certain events occur.

• Event loop is responsible for handling I/O operations, timers, and callbacks in Node.js

• It allows Node.js to perform non-blocking operations efficiently

• Event loop continuously checks the event queue and executes callback functions when events are triggered

Jenkins is commonly used for code build.

• Jenkins is a popular tool for continuous integration and continuous delivery (CI/CD).

• Other tools like GitLab CI/CD, Travis CI, and CircleCI are also commonly used for code build.

• These tools automate the process of building, testing, and deploying code changes.

Dynamic dispatch is a mechanism where the method to be executed is determined at runtime based on the actual type of the object.

• In dynamic dispatch, the method call is resolved at runtime rather than compile time.

• It allows for polymorphism, where a subclass can override a method from its superclass.

• Examples include method overriding in object-oriented programming languages like Java and C++.

Bode plot and Nyquist plot are used in control systems to analyze the stability and frequency response of a system.

• Bode plot is used to analyze the frequency response of a system by plotting the magnitude and phase of the transfer function against frequency.

• Nyquist plot is used to analyze the stability of a system by plotting the frequency response on a complex plane.

• Bode plot helps in understanding the gain and phase margins of a system, which are crucial for stability analy...read more

GST process in STO scenarios involves movement of goods between two different states with tax implications.

• In STO scenarios, goods are transferred from one branch to another within the same company but in different states.

• GST is applicable on the supply of goods in STO scenarios, with tax implications based on the state of supply and recipient.

• The supplying branch issues a tax invoice to the receiving branch for the goods transferred, including applicable GST.

• The receiving br...read more

A microcontroller is a compact integrated circuit designed to perform specific tasks, while a processor is a general-purpose device used for executing instructions.

• Microcontrollers typically have built-in memory and peripherals for specific applications, while processors require external components for operation.

• Microcontrollers are commonly used in embedded systems like IoT devices and consumer electronics, while processors are found in computers and smartphones.

• Microcontrol...read more

Cons of agile include lack of predictability, potential for scope creep, and difficulty in measuring progress.

• Lack of predictability in project timelines and outcomes

• Potential for scope creep due to frequent changes and iterations

• Difficulty in measuring progress and tracking project success

• Requires high level of collaboration and communication, which can be challenging in large teams or remote work environments

RLS in Power Bi stands for Row-Level Security, which allows users to restrict access to data based on their role or profile.

• RLS in Power Bi is used to control access to data at the row level

• It allows users to define rules to restrict data based on their role or profile

• RLS can be implemented using DAX expressions to filter data dynamically

• For example, a sales manager can only see data related to their region using RLS

A function callback is a function that is passed as an argument to another function and is executed after the completion of that function.

• Callback functions are commonly used in asynchronous programming to handle tasks that take time to complete.

• Example: setTimeout function in JavaScript takes a callback function as an argument to execute after a specified time.

• Callback functions can also be used to customize behavior in higher-order functions like map, filter, and reduce in ...read more

Variable hoisting is a behavior in JavaScript where variable declarations are moved to the top of their scope during compilation.

• Variable declarations are hoisted to the top of their function or global scope.

• Only the declarations are hoisted, not the initializations.

• Hoisting allows you to use a variable before it is declared, but it is best practice to declare variables at the top of the scope.

• Example: console.log(myVar); var myVar = 10; // Output: undefined

Function closure in JavaScript allows a function to access variables from its outer scope even after the outer function has finished executing.

• Function closures occur when a function is defined within another function and the inner function has access to the outer function's variables.

• Closures are commonly used to create private variables and functions in JavaScript.

• Example: function outerFunction() { let outerVar = 'I am outer'; function innerFunction() { console.log(outerVa...read more

Considerations for sheet metal and casting design

• Thickness of the material affects strength and cost

• Design for manufacturability to minimize waste and cost

• Consider material properties like ductility and heat resistance

• Include features for easy assembly and maintenance

• Account for shrinkage in casting design

Implement a sorting algorithm for an array of strings

• Use a sorting algorithm like bubble sort, selection sort, or merge sort

• Convert the strings to lowercase before comparing them for case-insensitive sorting

• Consider using a custom comparator function for more complex sorting criteria

• Example: Sorting an array of strings alphabetically: ['banana', 'apple', 'cherry'] -> ['apple', 'banana', 'cherry']

Wire standards refer to the specifications and guidelines set for the design, construction, and testing of electrical wires.

• Wire standards ensure safety, reliability, and compatibility of electrical wiring systems.

• They cover aspects such as wire size, insulation material, voltage rating, and temperature resistance.

• Examples of wire standards include NEC (National Electrical Code), UL (Underwriters Laboratories), and IEC (International Electrotechnical Commission) standards.

RISC (Reduced Instruction Set Computing) and CISC (Complex Instruction Set Computing) are two types of CPU architectures.

• RISC processors have a smaller set of simple instructions, while CISC processors have a larger set of complex instructions.

• RISC processors typically execute instructions faster than CISC processors.

• Examples of RISC architectures include ARM and MIPS, while examples of CISC architectures include x86 and x86-64.

• RISC architectures are more efficient in terms o...read more

Project events include sprint planning, daily stand-ups, sprint review, and sprint retrospective.

• Sprint planning involves determining the work to be done in the sprint.

• Daily stand-ups are short meetings to discuss progress and any obstacles.

• Sprint review is a meeting to review the completed work with stakeholders.

• Sprint retrospective is a meeting to reflect on the sprint and identify improvements.

• Examples: Sprint planning for a software development project, daily stand-ups fo...read more

The four pillars of OOP are encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: Bundling data and methods together to hide implementation details.

• Inheritance: Creating new classes from existing ones, inheriting their properties and behaviors.

• Polymorphism: The ability of objects to take on many forms and respond differently based on their type.

• Abstraction: Simplifying complex systems by breaking them down into smaller, more manageable parts.

Code for parallel string using array of strings

• Use parallel processing libraries like OpenMP or MPI to process strings concurrently

• Divide the array of strings into smaller chunks and assign each chunk to a separate thread or process

• Ensure proper synchronization mechanisms to avoid race conditions

• Example: Using OpenMP in C++ to process an array of strings in parallel

Writing a device driver involves understanding the hardware, implementing communication protocols, and handling interrupts.

• Understand the hardware specifications and communication protocols of the device

• Implement the necessary functions to communicate with the device

• Handle interrupts and errors gracefully

• Test the driver thoroughly to ensure compatibility and stability

FTTI (Fault Tolerant Time Interval) is calculated to determine the time interval within which a system must detect a fault and take appropriate action to prevent hazardous events.

• FTTI is calculated by analyzing the time it takes for a fault to occur, be detected, and for the system to respond to prevent harm.

• It is crucial for ensuring that safety-critical systems can respond to faults within a specified time frame.

• For example, in automotive safety systems, FTTI calculations a...read more

TSRs for lighting feature ensure proper functionality and safety of lighting systems.

• Specify minimum and maximum illumination levels required for different areas

• Define response time for lighting to turn on/off in case of emergency

• Outline maintenance schedule for regular checks and replacements

• Include requirements for backup power source in case of main power failure

A singleton class is a class that can only have one instance created at a time.

• Singleton classes are often used for managing resources that should only have one instance, such as a database connection or a configuration file.

• They are implemented by making the constructor private and providing a static method to access the single instance.

• Singleton classes can also implement interfaces and inherit from other classes.

• Example: java.lang.Runtime is a singleton class that provides...read more

Media queries are CSS rules that allow for different styles to be applied based on the characteristics of the device displaying the content.

• Media queries are used in responsive web design to make websites adapt to different screen sizes and resolutions.

• They are written using the @media rule in CSS.

• Media queries can target various features such as screen width, height, orientation, and resolution.

• Example: @media only screen and (max-width: 600px) { /* styles here */ }

CAN Frame is a data structure used in Controller Area Network for communication between electronic control units.

• CAN Frame consists of an identifier, data length code, data field, and cyclic redundancy check (CRC).

• The identifier specifies the message priority and content.

• Data length code indicates the number of bytes in the data field.

• Data field contains the actual information being transmitted.

• CRC is used for error detection.

• Example: Identifier - 0x123, Data Length Code - 8,...read more

To improve software experience, focus on user feedback, usability testing, continuous improvement, and performance optimization.

• Collect and analyze user feedback to understand pain points and areas for improvement

• Conduct usability testing with real users to identify usability issues and make necessary adjustments

• Implement continuous improvement processes to address bugs, add new features, and enhance user experience

• Optimize performance to ensure smooth and efficient operation...read more

ACID properties are a set of properties that guarantee database transactions are processed reliably.

• ACID stands for Atomicity, Consistency, Isolation, Durability

• Atomicity ensures that all operations in a transaction are completed successfully or none at all

• Consistency ensures that the database remains in a consistent state before and after the transaction

• Isolation ensures that transactions are executed independently of each other

• Durability ensures that once a transaction is c...read more

Canoe simulation is a software tool used for modeling and simulating the behavior of automotive electronic control units (ECUs) in a virtual environment.

• Canoe simulation allows engineers to test and validate the functionality of ECUs before physical implementation in vehicles.

• It can simulate various communication protocols such as CAN, LIN, and FlexRay to mimic real-world scenarios.

• Engineers can create and execute test cases, monitor signals, and analyze data to ensure the EC...read more

ETL stands for Extract, Transform, Load. It is used to extract data from various sources, transform it into a consistent format, and load it into a data warehouse for analysis.

• Extract: Data is extracted from different sources such as databases, files, or APIs.

• Transform: The extracted data is cleaned, filtered, and transformed into a consistent format.

• Load: The transformed data is loaded into a data warehouse for analysis and reporting.

• ETL is used to integrate data from multip...read more

Casting engine components in CREO

• Create a new part file in CREO

• Design the component using the appropriate tools

• Add draft angles and fillets to the design

• Create a mold for the component

• Use the mold to cast the component

Storage classes in C are used to define the scope and lifetime of variables.

• There are four storage classes in C: auto, register, static, and extern.

• Auto variables are local to a block and have automatic storage duration.

• Register variables are stored in CPU registers for faster access.

• Static variables have a lifetime throughout the program and are initialized only once.

• Extern variables are declared in one file and can be accessed in other files.

I have experience in using various testing tools such as Selenium, JMeter, and Postman.

• Proficient in using Selenium for web application testing

• Experience in load testing using JMeter

• Familiarity with API testing using Postman

• Knowledge of test management tools like TestRail

Binary search is an efficient algorithm for finding an item from a sorted list of items.

• Requires a sorted array to function correctly.

• Divides the search interval in half with each iteration.

• Time complexity is O(log n), making it faster than linear search.

• Example: Searching for '5' in [1, 2, 3, 4, 5, 6] results in index 4.

Encapsulation, Inheritance, Polymorphism, Abstraction are the 4 pillars of OOP.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability for objects to be treated as instances of their parent class.

• Abstraction: Hides the complex implementation details and only shows the necessary features.

Capacitor panel maintenance work involves inspecting, cleaning, and testing capacitors to ensure their proper functioning.

• Inspect capacitors for any signs of damage or leakage

• Clean capacitors and their terminals to remove dust and debris

• Test capacitors using a multimeter to check their capacitance and voltage ratings

• Replace faulty capacitors with new ones

• Ensure proper wiring and connections in the capacitor panel

• Regularly monitor and record the performance of capacitors

• Follow...read more

Virtualization is the process of creating a virtual version of a device or resource, such as a server, storage device, network or operating system.

• Virtualization allows multiple virtual instances to run on a single physical machine

• It helps in optimizing resources and increasing efficiency

• Examples include VMware, VirtualBox, and Hyper-V

Complex device drivers are necessary to enable communication between the operating system and hardware devices.

• Complex device drivers are needed for devices that require advanced functionality or features.

• They provide a way for the operating system to communicate with the hardware device.

• Complex device drivers often include additional software components to manage the device's capabilities.

• Examples include graphics card drivers, network card drivers, and sound card drivers.

Design software tool test evaluates the proficiency of a candidate in using design software tools.

• The test may include tasks such as creating 3D models, drafting, and simulation

• Candidates may be asked to use software tools such as AutoCAD, SolidWorks, or CATIA

• The test may also assess the candidate's ability to troubleshoot and solve design problems

• The test may be timed and may have multiple levels of difficulty

Effective conflict resolution involves active listening, empathy, and collaborative problem-solving to achieve a positive outcome.

• Listen actively to all parties involved to understand their perspectives.

• Use 'I' statements to express your feelings without blaming others, e.g., 'I feel concerned when deadlines are missed.'

• Encourage open communication to foster a safe environment for discussion.

• Seek common ground by identifying shared goals or interests.

• Propose solutions collabo...read more

I possess strong technical skills in testing methodologies and a commitment to quality assurance in software development.

• Proficient in automated testing tools like Selenium and JUnit, enhancing testing efficiency.

• Experience in creating comprehensive test plans and cases, ensuring thorough coverage of requirements.

• Strong understanding of Agile methodologies, facilitating collaboration with development teams.

• Implemented continuous integration practices, reducing deployment time...read more

Agile is iterative and flexible, while waterfall is sequential and rigid.

• Agile involves continuous collaboration and adaptation, while waterfall follows a linear approach.

• Agile allows for changes throughout the project, while waterfall requires detailed planning upfront.

• Agile delivers working software in short iterations, while waterfall delivers the final product at the end of the project.

• Agile is better suited for projects with evolving requirements, while waterfall is idea...read more

Print the first 10 prime numbers

• Start with 2 as the first prime number

• Use a loop to check for prime numbers

• Keep track of the count of prime numbers found

SAFe (Scaled Agile Framework) is used to scale Agile practices across multiple teams and ensure alignment, collaboration, and delivery of value.

• SAFe helps organizations scale Agile practices beyond individual teams to ensure alignment and collaboration across multiple teams.

• It provides a framework for coordinating work, managing dependencies, and delivering value to customers more effectively.

• SAFe includes roles, ceremonies, and artifacts that help organizations implement Agi...read more

C code to find the sum of elements in an array

• Declare an array of integers

• Initialize the array with values

• Use a loop to iterate through the array and add each element to a variable

• Print the sum of the elements

I have extensive systems engineering experience in designing, developing, and implementing complex systems.

• Designed and implemented a complex data management system for a large financial institution

• Led a team of engineers in developing a new software platform for a healthcare company

• Developed and implemented a system for tracking and analyzing customer data for an e-commerce company

• Experience with systems engineering methodologies such as Model-Based Systems Engineering (MBSE...read more

CAN and UDS are communication protocols used in automotive industry for vehicle diagnostics and control.

• CAN (Controller Area Network) is a communication protocol used for high-speed communication between electronic control units in vehicles.

• UDS (Unified Diagnostic Services) is a diagnostic communication protocol used in automotive industry for vehicle diagnostics.

• CAN is used for real-time data transmission, while UDS is used for diagnostic services like reading and clearing f...read more

PWM stands for Pulse Width Modulation, a technique used to encode information in the form of a varying signal pulse width.

• PWM is commonly used in controlling the speed of motors by varying the duty cycle of the signal.

• It is also used in LED dimming to control the brightness of the LED.

• PWM signals have a fixed frequency but varying duty cycle.

• The duty cycle represents the percentage of time the signal is high compared to the total period.

Preventive maintenance work involves regularly scheduled inspections, repairs, and replacements to prevent equipment failure.

• Preventive maintenance is proactive and aims to prevent equipment breakdowns and costly repairs.

• It includes tasks such as lubrication, cleaning, calibration, and component replacements.

• Regular inspections help identify potential issues before they cause major problems.

• Preventive maintenance schedules should be based on manufacturer recommendations and e...read more

Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Animal class with methods eat() and sleep(). Dog and Cat classes can override these methods to have their own behavior.

Scrum is time-boxed with fixed iterations, while Kanban is continuous flow with no fixed time frames.

• Scrum has fixed iterations called sprints, while Kanban has no fixed time frames.

• Scrum focuses on completing a set amount of work within a sprint, while Kanban focuses on continuous delivery of work.

• Scrum limits work in progress (WIP) to items in the sprint backlog, while Kanban limits WIP based on capacity and flow.

• Scrum requires a defined team structure with specific roles l...read more

Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.

• Start with 0 and 1 as the first two numbers in the series

• Add the previous two numbers to get the next number in the series

• Repeat the process to generate the Fibonacci series

Risk refers to potential future problems, while an issue is a current problem that needs resolution.

• Risk is a possibility of an event occurring that may impact objectives, e.g., a project delay due to resource unavailability.

• An issue is a current problem that has already occurred, e.g., a team member leaving the project unexpectedly.

• Risks can be identified and mitigated before they happen, while issues require immediate attention and resolution.

• Example of risk: A supplier mig...read more

SCD types refer to slowly changing dimensions in data warehousing, used to track historical changes in data over time.

• SCD Type 1: Overwrites old data with new data, losing historical information.

• SCD Type 2: Keeps multiple versions of the same record, creating new records for each change.

• SCD Type 3: Keeps some historical data in the same record, adding new columns for changes.

• SCD Type 4: Uses separate tables to store historical and current data.

• SCD Type 6: Combines features of...read more

Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them separately, and then merges them back together in sorted order.

• Divide the array into two halves

• Recursively sort each half

• Merge the sorted halves back together

Smart pointers are objects that manage the memory of dynamically allocated objects in C++.

• Unique pointer - ensures only one pointer to an object exists

• Shared pointer - allows multiple pointers to share ownership of an object

• Weak pointer - provides a non-owning reference to an object managed by a shared pointer

Project management practices involve planning, organizing, and executing projects to achieve specific goals within constraints.

• Define project scope, objectives, and deliverables

• Create a project plan with timelines and milestones

• Assign tasks and responsibilities to team members

• Monitor progress and adjust plans as needed

• Communicate effectively with stakeholders

• Use project management tools like Gantt charts or Kanban boards

Definition of ready is a set of criteria that a product backlog item must meet before it can be worked on by the team.

• Definition of ready ensures that the team has all the necessary information, resources, and dependencies in place before starting work on a backlog item.

• Criteria in the definition of ready may include detailed requirements, acceptance criteria, dependencies identified, and estimates agreed upon.

• The purpose of having a definition of ready is to prevent interrup...read more

Collection in Java refers to a group of objects known as elements. It provides a way to store, retrieve, and manipulate data.

• Collections in Java can be of different types like List, Set, Map, etc.

• Collections framework provides interfaces like List, Set, Map, and classes like ArrayList, HashSet, HashMap, etc.

• Example: List<String> names = new ArrayList<>(); names.add("John");

• Example: Set<Integer> numbers = new HashSet<>(); numbers.add(10);

XPath is a language used for locating elements on a web page in Selenium automation testing.

• XPath stands for XML Path Language.

• It is used to navigate through elements and attributes in an XML or HTML document.

• XPath expressions can be used to select nodes, attributes, or text on a web page.

• Example: //input[@id='username'] selects the input element with id 'username'.

My hobby is photography, capturing moments and telling stories through images.

• I enjoy exploring different locations to find unique shots

• I love experimenting with different lighting techniques

• I often edit my photos to enhance their visual impact

Interface in Java defines a contract for classes to implement, allowing for multiple inheritance and abstraction.

• Interfaces in Java are similar to abstract classes but can only contain method signatures and constants.

• Classes can implement multiple interfaces but can only extend one class.

• Interfaces are used to achieve abstraction and multiple inheritance in Java.

• Example: interface Shape { void draw(); }

• Example: class Circle implements Shape { public void draw() { // draw circ...read more

Developed a smart wearable device for monitoring heart rate and activity levels in real-time.

• Designed a low-power microcontroller-based system using ARM Cortex-M series.

• Implemented Bluetooth Low Energy (BLE) for wireless data transmission to mobile devices.

• Utilized sensors like accelerometers and photoplethysmography (PPG) for accurate readings.

• Conducted extensive testing to ensure reliability and accuracy of the device.

• Collaborated with a team of software engineers to develo...read more