Motor controller jobs

...facing difficulty getting the petrol pump controller to communicate with the local MSQL database. Key Points: - The PC is running on Windows XP. - The petrol pump controller uses a serial port for communication. - The issue lies in configuring the connection between the petrol pump controller and the MSQL database. Requirements: - You'd need to have a strong grip on database management, particularly with MSQL. - Proficiency in networking and serial port communication is a must. - Experience with Windows XP is preferred. - Troubleshooting skills and experience in resolving connectivity issues will be highly valued. The ideal candidate for this project will be able to quickly identify and resolve the issue, ensuring that the petrol pump controller can ...

Wiring Schematic of an Agricultural Articulated Truck (Tractor), new project needs schematic and design. Key Components: Power Supply: Battery Alternator Main Circuit Breaker Lighting System: Headlights Tail Lights Work Lights Indicators Control Systems: Ignition Switch Dashboard Control...Agricultural Articulated Truck (Tractor), new project needs schematic and design. Key Components: Power Supply: Battery Alternator Main Circuit Breaker Lighting System: Headlights Tail Lights Work Lights Indicators Control Systems: Ignition Switch Dashboard Controls Relays and Fuses Engine and Transmission: Starter Motor Engine Sensors Transmission Controls Hydraulics: Hydraulic Pump Controls Joystick Controls Hydraulic Solenoids Auxiliary Systems: Air Conditioning Horn Wiper Mot...

I'm seeking an academic researcher who can delve into the intricate world of MICROGRID WITH PV , MPPT CONTROLLER , EMS (energy managemt system) solar energy. The ultimate goal of this research is to produce an article or paper that meets Scopus standards with simulation by Matlab. Condition The researcher should have published papers closed to MICROGRID and EMS. Please share your Google scholar profile.

I need to create a small educational program for work related to PLC. OBJECTIVE: I need to do a job, where a program reads 3 numbers and sorts these 3 numbers in ascending or descending order, and checks which one has the highest value. The software to be used is OMRON's CX-Programmer. The controller would be Omron's CJ1M. This work is for educational purposes so it should be simple but well structured. The structure of the program should have some similarities with the attached images (ATTACHED IMAGES ARE AN EXAMPLE ONLY)! Please try to use simple or the more commun functions. As it is an educational program, it must be as simple as possible, but at the same time it must be well structured to presentation. Thanks IMPORTANT: The software to use is CX-Programmer (v9.73)...

I need a comprehensive predictive modeling using regression models specifically tailored for industry-specific data. Key Requirements: -Expertise in industry-specific data handling and analysis -Precision in building and executing regression models -Sound understanding of predictive modeling techniques The ideal freelancer should have a solid portfolio in statistica...analysis -Precision in building and executing regression models -Sound understanding of predictive modeling techniques The ideal freelancer should have a solid portfolio in statistical modeling, particularly in regression and predictive analyses involving industry-specific data sets. Specifically they should should have an in depth knowledge of Generalised Linear Models used in evaluating risk in the Motor Insuranc...

Need some to program me a small function in this sdk to add RFID verification & then open gate for the user using following SDK.

...100 forwarded ports OR a dedicated IP for each server. Each server requires: - 16 GB of RAM per GPU - PCIE 4.0 x8 / 3.0 x16 bandwidth per GPU - At least 8 CPU threads per GPU - ***A graphics device that will not be passed through for customers, e.g. an old GPU, the integrated graphics of a CPU, or of a motherboard that supports it (e.g. the Asrock Rack ROMED8-2T comes with an onboard graphics controller)*** Ultimately, this will be a marketplace for compute. People will pay less for a virtual machine with a GPU with inadequate bandwidth (e.g. PCIE 3.0 x4) than a GPU with adequate bandwidth (e.g. PCIE 3.0 x16), as they'd be able to run more intensive workloads. The quality of your hardware will determine your earnings. need hosts to have integrated graphics, another older...

Further development charge controller ISO15118

Creating a library to control the TMC5160 using only the SPI bus. The library must be ESP32 compatible and will not use other similar existing libraries for other TMCs. It must include: - basic functions for motor setup and movement, positioning - advanced functions such as CoolStep, StallGuard2, SpreadCycle and StealthChop2 - sensorless operation to find home position (StallGuard2) - the library must not block additional ESP code during motor running and control (delay commands etc) and must support running of multiple motors simultaneously (using CS signal) - deploying the library in VS Code + PlatformIO The library functionality will be tested on a TMC5160 BOB + NEMA 8 (8HS15-0604S).

I'm looking for an expert to help me set up a Human-Machine Interface (HMI) to control AC motors on a test bed. Specifically, the motors to be controlled are AC, and the primary goal of the HMI will be to adjust the motor parameters. Key Requirements: - Proficiency in setting up HMIs for industrial control systems - Experience with AC motor control - Knowledge of KEB F5 drive control is highly beneficial Communication Protocol: As I have no specific preference for the communication protocol, I am open to suggestions based on your expertise and experience in this field. Please provide details of your relevant experience and how you plan to approach this project in your proposal.

I'm looking for a skilled and creative drone designer to help me create an innovative outdoor drone. The drone's primary function would be to fly in a loop over a designated area for approximately 30 minutes. Key Requirements: - I'm looking for a drone that can be launched out of a tube using an electric motor. It should be able to withstand outdoor conditions. - The drone should have a flight time of 30 minutes. - The drone should be able to fly in a loop over the designated area. Ideal Skills and Experience: - Proven experience in drone design, particularly for outdoor use - Innovative thinking and the ability to think out of the box - Strong understanding of aerodynamics and flight mechanics Please share any relevant experience and your proposed de...

Create a new version of our existing ABCs feature with images instead of static letters. This page should be created with Storyboard and a View Controller in Swift for iOS XCode. And it should work in both iPhones and iPads and be a full-screen page with a white background - image in middle and arrows on left and right.

Seeking someone with skills in Arduino and MIDI technology. Your task will entail creating a connection between LoraMidi AtMega1284P and Arduino IDE. The main objective here is to control MIDI devices using this interface. What I Need: - Develop a way to control LoraMidi AtMega1284P using Arduino IDE - Enable wireless transmittance of MIDI data - Develop a custom LoraMidi communication protocol Ideal Freelancer: - Proficiency in Arduino IDE - Familiarity with LoraMidi AtMega1284P - Experience in MIDI technology There is not a strict deadline for this project, and we can prioritize quality deliverables over speed. Please submit your proposal detailing how you intend to accomplish the indicated tasks.

In need of a talented video editor and script maker for my project which will be focused on the promotion and education of current trends within the automotive industry, specifically aimed at motor fans, car fans, and dealers. Your task will primarily involve: - Creating engaging content about recent car reviews and ongoing trends in the industry. - The videos should not just be entertaining but also serve an educational purpose, ensuring our abrasive audience is well-informed and knowledgeable. Ideal Skills Required: - Proficient in video editing software. - Exceptional scriptwriting ability. - A deep understanding of the automotive industry. - Proficiency in Arabic language is preferred. - Affinity with automotive fans and an understanding of their interests. If you believe yo...

I need to create a small educational program for work related to PLC. OBJECTIVE: I need to do a job, where a program reads 3 numbers and sorts these 3 numbers in ascending or descending order, and checks which one has the highest value. The software to be used is OMRON's CX-Programmer. The controller would be Omron's CJ1M. This work is for educational purposes so it should be simple but well structured. The structure of the program should have some similarities with the attached images (ATTACHED IMAGES ARE AN EXAMPLE ONLY)! Please try to use simple or the more commun functions. As it is an educational program, it must be as simple as possible, but at the same time it must be well structured to presentation. Thanks Regards

I'm looking for an experienced web developer to create an e-commerce website for my business. The site should be able to handle transactions with credit cards as the main payment method. develop a website throw WordPress already we have account, also we have domain + hosting in GoDaddy, I attached here a sample of website, we need a website design and platform similar to this one, we will...There will be no charge for delivery (free delivery), and this should be clearly visible to customers. - There should be options for delivery or pickup from the main branch in Baniyas, I will share the location with you later. - Customers need to enter their name and number. - A platform to receive orders is also required.

I am adding the service of motorbikes lessons to my business so i need a slight variation of my logo. I would like to change the name Driving West Motor School to Riding West Motor School same font. Remove the silhouette of the car and create with a 3d motor bike silhouette using the same style and curved lines riding inwardly or outwards on a road but keeping the same L plate.

I'm in search of a skilled cybersecurity writer to create a comprehensive article on PLC (Programmable Logic Controller) Algorithm Security for a professional audience. Requirements: - The article should delve into in-depth technical analysis, offering thorough insights and understanding of PLC Algorithm Security. - The preferred word count for this piece is 1000 - 1500. - The target audience is primarily cybersecurity professionals; the content should be engaging and informative for this group. - A clear focus on critical insights and mitigation strategies in the realm of PLC Algorithm Security is a must. Ideal Skills and Experience: - Proven track record in cybersecurity writing. - An understanding of the nuances of PLCs, industrial automation, and cybersecurity. - Ability...

I'm in need of an Arduino Programmer with expertise in DC motor control, programming logic, and inductive proximity sensor integration. Specific tasks include: - Programming logic for the DC motor microcontroller - Integrating an inductive proximity sensor for object detection - Implementing a speed regulation function (slow start, slow stop, foward, reverse speed and delay start) for motor control Please find the project detail on the attached document.

I have 2 issues that are occurring with my app. Both of these issues are now happening on my app in the store when no changes were made. In other words, these crashes are not from any changes I made. It just started to not work. The first issues occurs when trying to login. It is timing out. This is the second error ...raitCollection(UIViewController *__strong, UIApplicationSystemVersion)(), UIViewController.m:2749 *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'UIViewController is missing its initial trait collection populated during initialization. This is a serious bug, likely caused by accessing properties or methods on the view controller before calling a UIViewController initializer. View controller: <Se...

I am currently experiencing issues with the OMADA CONTROLLER OC200 external captive portal developed in PHP. Users are unable to authenticate due to a persistent error after inputting their credentials. The specific error message they receive states "can't connect to server , contact your server administrator". Ideal Skills and Experience: - Experience with OMADA CONTROLLER OC200 - Understanding of captive portals - Capability to troubleshoot and solve server connectivity errors Please apply if you can effectively diagnose and resolve this issue, ensuring smooth user authentication moving forward.

Job Description: We are seeking an experienced and creative Designer to develop a modern and sleek housing for our state-of-the-art traction loss platform used in a racing simulator. The platform is comprised of three layers: a base layer, a second layer equipped with two linear motors for left and right movement, and a top layer with a single linear motor for forward and backward movement. We have a basic frame design already established but need a designer to refine and enhance the aesthetics to match our modern and high-performance simulator systems. Responsibilities: -Design a visually appealing, modern, and sleek housing for the traction loss platform that complements the existing frame design. -Ensure that the housing facilitates easy access to the mechanical components for...

I am experiencing issues with Active Directory 2016 replication in a topology that includes 10-50 domain controllers. The tasks that need to be performed include: - Diagnosing current replicati...controllers. The tasks that need to be performed include: - Diagnosing current replication problems. - Providing solutions to rectify replication issues. - Implementing troubleshooting practices to avoid future issues. The ideal freelancer for this task will have expert knowledge and experience in Microsoft Active Directory, specifically the 2016 version, and a deep understanding of domain controller topologies. They will be proficient in diagnosing and fixing replication issues and optimizing directory performance. A solid background in IT system administration is also essential for...

I am looking for small micro controller programmer for my music play application. I want to play preloaded music from micro internal flash memory. We have TDA2030 ic as amplifier so programmer need to generate pwm and send to amplifier ic. We have pcb ready with aplifier IC and power supply. Programmer can choose any low pin low cost MCU which is easily available in indian market.

Currently USDT(BEP-20) is working and we want to add USDT(ERC-20) in the backend files. please edit the files and make apk show USDT(ERC-20) price and current balance. The file is attached here.

Sales person has to sale all types of insurance ( motor insurance, life insurance, term insurance ) This job is based on commission basis so more you work more you earn

Help me with the software code and wiring for a Arduino. 1. turn the motor(hydraulic pump) forward and sense the currrent as it ramps up to 170mA and stops. 2. turn the motor in reverse and monitor the position sensor.

I'm looking for a sk...essential to the functionality for the research at hand. Materials and Components: - 3D Printed Parts: The project will make use of 3D printed parts, so familiarity with this aspect is a requirement. - Plastic Components: The majority of the hand will be constructed from plastic components. Ideal Skills and Experience: - Proficiency in Robotics: Experience in robotics projects is crucial. - Servo Motor Control: A good understanding of how to control servo motors for precise and varied movements. - 3D Printing: Ability to design and 3D print parts for the hand. - Plastic Component Construction: Experience in constructing and integrating plastic components. I'm looking for someone with a proven track record in this field and who can bring innovative...

I'm seeking an experienced engineer/product designer that could build a 3-wheel E-Bike controller. This E-Bike controller should be capable of handling the following features: - Speed Control: The controller should have functionality to manage speed, with a maximum limit of 20 mph. - Battery Monitoring: The controller must include a system that allows for the continuous tracking of a Lithium-ion battery usage. - LCD Display: The controller should be equipped with an LCD display that visualizes the battery status and speed settings. It is essential the freelancer working on this project has experience in product design and engineering, with a strong familiarity in Lithium-ion batteries and how they function within e-bikes. Knowledge of LCD functiona...

I'm currently seeking an experienced freelancer to build a SLAM system, leveraging Raspberry Pi 5, 2D Lidar and Arduino Uno/MKR 1010 WiFi as part of my college project. Key responsibilities will be to aid in motor control and visualizing real-time Lidar data. Specific requirements include: 1. Implement FastSLAM algorithm – You will need to have a thorough understanding and experience in implementing this particular SLAM algorithm. 2. Utilizing Python – All coding tasks should be performed using Python. 3. Deliver Real-time Lidar Data Visualization with: - Map Display: A real-time map should be drafted using the Lidar-scanned data. - Moving Trajectory: Display the accurate position and movement trajectory of the SLAM system. Having a background in workin...

...are seeking an experienced electrical engineer to design a multi-output power supply for a portable AC servo drive. The ideal candidate will have expertise in power electronics and PCB design, with a proven track record of creating efficient and compact power solutions. Input Specification: 220Vac. Output Specifications: Two sections are required: Power Ground Circuit: +15V, +5V. Lower Ground (controller) Circuit: +12V, +5V, +3.3V, -12V. Ensure that both grounds are isolated from each other. The design must be lightweight and compact, suitable for a portable device. We need the design to be highly reliable and efficient, with considerations for safety and durability. Job Responsibilities: 1) Design: Develop a schematic and board layout for a multi-output power supply that mee...

...switch: This element is the core of the project as it's designed to respond to an impact and trigger a series of events. - Trigger a 12v motor: The motor should start running as soon as the sensor detects an impact. - Simultaneously play a short MP3 file: The audio should begin playing once the sensor is activated, but it should be less than 30 seconds in duration. - Activate a solenoid latch: This component is crucial as it performs a critical function in the project. The solenoid latch should be triggered once the motor is on and the music is playing. - Stop the music and motor: Once the solenoid latch has been activated, the MP3 player and motor should stop automatically. Ideal Skills and Experience: - Proficient in Arduino or any oth...

I'm searching for a proficient Arduino coder, to support in integrating dc motor driver, lcd20x4 with I2c and inductive proximity sensor into my existing project. The primary goal is to control 2 dc motor simultaneously. Key requirements for this role include: * Proficiency in Arduino coding * Vast experience with sensor integration, specifically using inductive proximity sensors * micro controller

I am seeking an experienced developer to resolve a CORS error present in my .NET 8 website. I am learning full stack development. I created a web-api project in .net 8 which is having simple login, register and account controller and it works perfectly fine when I test using postman. Then, I develop a simple website in react and typescript to consume my web-API. And now I get CORS error. If you work with me, You need to resolve my CORS and probably authentication issue. Acceptance criteria: 1. signup should work (all coding done you only need to troubleshoot the CORS issue) 2. Login should work and JWT token return (all coding done, probably you need to check if I have done correctly) 3. after successful login user details (just few details) displayed on account page

I'm in need of an experienced Arduino programmer, with a strong background in integrating sensors and controlling motors. Key project tasks: - ...programmer, with a strong background in integrating sensors and controlling motors. Key project tasks: - Integrating a motion sensor with my Arduino - Managing control of a DC motor - Setting up data logging functionality - small servo motor controlling and calibration Ideal Skills: - Proficiency in Arduino programming - Prior hands-on experience with motion sensors and DC motors - Familiarity with data logging processes is a plus! If you have the right skill set, I'd love to connect and further discuss the project details. Making a simple servo motor controlling and switching between dc motor a...

I'm looking for someone to create detailed design and schematics for a custom DJ furniture piece. Key Features: - Built-in DJ controller stand - Cable management system - Storage compartments Specifications: - The furniture should be large and heavy, designed to accommodate the size and weight of typical DJ equipment. Ideal Skills: - Experience in furniture design and engineering - Proficiency in CAD software for schematics - Understanding of DJ equipment and its spatial requirements The project involves a unique blend of furniture design, engineering, and an understanding of DJ equipment needs. A successful candidate should be able to translate these requirements into a practical, functional, and visually appealing piece.

I require a specialist to implement a sensor data logging system using Arduino/ESP32. i Required candidate who have experties in aurdino / ESP32 and rotary encoder. Necessary Skills: - Comprehensive understanding of Arduino/ESP32 - Rotary encoder It's vital that the system be designed accurately to fulfill the need for reliable data storage. An understanding of data management and the capability to create systems for future data analysis is crucial. A background in similar projects would be greatly advantageous.

I'm seeking a web designer with a great eye for a modern and sleek aesthetic. This website will be for a motor racing driver and should convey professionalism, speed, and appeal of the sport. Key website features include: - A racing schedule and results page showcasing the driver's past records and upcoming races, - A driver's biography page with career achievements, personal background, racing experience, and goals and ambitions, - A partnership page for showcasing sponsors and potential collaboration opportunities. Experience in sports-related website design is a plus, as is familiarity with motor racing. A creative flair is crucial, as well as understanding how to create a user-friendly and intuitive navigation experience. Please include examples of previo...

...small magnetic levitation motor. My ideal designer would possess stellar skills in: - Microcontroller-based circuit design. - Magnetic levitation systems. - Power efficiency management. The project doesn't require utmost power efficiency, a basic level would suffice. Although compact, this tiny maglev motor device should be firm and durable with functionality on par with larger models. A prototype, design files and instructions for assembly/testing will be essential deliverables. Previous experience working on similar miniaturized projects would be advantageous. Your ingenuity will be crucial in the success of this project. Let’s chat more about how you can help bring my vision to life. This magnetic levitation motor is used on a pump body. The size o...

I want to rank in the top three google results on average for the following keyword phrases Target Country is USA 1 - Accident Lawyers 2 - Truck Accident Lawyers 3 - Car Accident Lawyers 4 - Boat Accident Lawyers 5 - Construction Accident Lawyers 6 - Lyft Accident Lawyers 7 - Uber Accident Lawyers 8 - Pool Accident Lawyers 9 - Personal Injury Lawyers 10 - Motor Vehicle Accident Lawyers 11 - Personal Injury Lawyer Near Me 12 - Lawyer For Car Accident 13 - Personal Accident Lawyer 14 - Car Lawyer Accident 15 - Attorney Personal Injury Near Me 16 - Accident Lawyers Car 17 - Personal Injury Lawyer Attorney 18 - Car Accident Attorney Lawyer 19 - Accident Lawyer Near Me 20 - Lawyer For Auto Accident This is for the website The ranking must hold for 1 month before escrow

Access Points setup. Provision (x3 Test Devices) for now using the Software Management Tool. License/Registration only. Possible SSID, Security Settings, Guest/Staff SSIDs and other Wireless parameters if we need anything. The main thing is get them configured locally with the most basic setup and a Client Connection before we proceed to next steps on more devices. Omada Controller and Licenses available to manage the devices. Please only get in touch if you've set these up before. Unfortunately, I don't have enough time to start interviewing people. If you're confident enough then please get in touch. Immediate start.

I'm in need of a lighting designer to help create a dynamic lighting setup for a small stage that will mainly be used for concerts. The goal of this project is to enhance the overall experience for the audience and artists. Key Responsibilities: - Designing and implementing lighting concepts that are suitable for a small stage setup, specifically for concert use. - Utilizing spotlights, c...design, particularly for live music events. - Proficiency in working with spotlights, color washes, and moving lights. - Ability to understand and enhance the dynamics of a musical performance through lighting. - Strong creativity and attention to detail. - Understanding of safety protocols and best practices in stage lighting. Hi, I have 16 fixtures I need programmed with scenes on a dmx 512 ...

...three bipolar micro stepper motors using three A4988 motor drivers. The core aspect of the job is to accurately manage the operation of the motors as described below: - Establish initial connection and ongoing control with three bipolar stepper motors by designing a simple user interface to control inputs such as speed, run time, and positioning of each motor. - Ensure smooth synchronized movement between the 3 motors. Each motor has a 300:1 gearbox and will drive a very slow moving assembly. I would like to use micro stepping to further slowdown the movement. For this task, the ideal candidate should be proficient in the following skill set: - Solid understanding of Raspberry Pi programming. - Extensive experience with bipolar stepper motor control. Cont...

I'm in need of a skilled electrician or technician who can help me install various types of stage lighting equipment in a small venue. Key Responsibilities: - Assist with installing LED lights, spotlights, and moving heads - Ensure proper wiring and positioning according to the venue's layout and requirements - Troubleshoot any technical issues that may arise...installing and working with stage lighting equipment - Electrical background or certification is a plus - Familiarity with small venue lighting setups and configurations - Attention to detail and ability to work efficiently Please provide examples of your past work with stage lighting installations and any relevant certifications you hold. I have 16 fixtures the need to be programmed to a dmx 512 controller fo...

I am seeking a skilled freelancer who can assist with Square eCommerce platform for selling generic outboard motor parts. Key Responsibilities: - review existing Square eCommerce platform. - Ensure functionality for listing, distributing, and selling generic outboard parts. - assist setting up shipping profiles - assist setting up tax profiles - SEO assistance to get site more recognition Ideal Candidate: - Experience with the Square eCommerce platform - Knowledge or experience with Square invoices - Familiarity with eCommerce best practices, particularly for selling physical products. Bid if you have the required skills and experience to effectively deliver this project.

I'm in need of a Unifi Network Administrator who can set up and manage my network infrastructure. This will include configuring and troubleshooting my wireless access points. My setup is considered small (less than 50 devices) and is currently without a Unifi Controller software. Expertise in the latest versions of the Unifi Controller software is required as you will be in charge of the installation. Ideally, you should demonstrate previous experience working with similar setups.

I'm in need of an experienced programmer who is well-versed in Arduino code. This project demands a particular set of skills: * Proficient in Arduino coding with a focus on device communication. * Comprehensive understanding of stepper motors functionality and their interaction with Arduino. * Ability to program Arduino to communicate and effectively control two stepper motors. The delivered coding should achieve seamless communication between Arduino and the stepper motors. Please take note of the quantity of stepper motors to control - two in this instance. Qualified bidders will be well-experienced in Arduino and stepper motors, able to discuss technical requirements with clarity, and pride themselves in delivering accurate, reliable code. Please provide examples of your previou...

...in selecting a 3000W electric motor that fulfills certain essential criteria, namely high torque to cater for heavy loads, superior acceleration, and compatibility with a chain-drive gearbox. Key tasks include: - Researching and suggesting suitable electric motors that provide high torque and acceleration capabilities - Consulting and aligning the motor's specifications with a chain-drive gearbox - This endeavor requires not only knowledge of electric motor performance and engineering but also a good grasp of how it syncs with gearbox mechanics. Ideal candidates should have: - Industry experience working with electric motors of different powers and torque - Familiarity with chain drive connections - Sound understanding of acceleration priorities in motor ...

I require a competent freelancer with experience in creating management systems to develop an automated spreadsheet for my insurance business. It will encompass the management of multiple insurance policy types including, but not limited to life, health, motor, travel and term insurances. Key Requirements: - Accurate tracking of policy details: This will span essential areas such as policyholder's name, policy start & end dates, insurance company details, premium amounts, policy type and number, beneficiary information, registration number, contact numbers, email IDs, premium collected, next expiry and other insurance related parameters. - A fully functional dashboard: Capabilities include report generation, tracking of premium payments, calculation of policy expiry date...

Project Title: MongoDB Aggregation Performance Optimization Project Description: We are experiencing significant delays with a MongoDB aggregation pipeline in our application. The specific controller takes about 36 seconds to complete when a user has a large amount of chat data in the database. We need a MongoDB expert to review and optimize the aggregation pipeline for improved performance. Details: Our application is built using Node.js with Mongoose as the ODM for MongoDB. The current issue arises when retrieving a user's chat list. The aggregation pipeline fetches chat messages for a given user, including related user information and performs various operations like sorting, grouping, and filtering based on certain criteria. Current Function: Here’s the function...