Eletrônica Jobs

Electronics is an exciting field of engineering that involves circuitry, components, programming, and more. By hiring an Electronics Engineer, businesses and individuals have the power to design and prototype a wide range of gadgets to solve difficult problems. From computers and peripherals to vehicles, Robots and healthcare equipment, electronics experts can create revolutionary products for nearly any industry.

Simply put, an Electronics Engineer can bring life to an idea. With their help, everyday functions are streamlined making life easier for everyone. Accessing remote control equipment just became much easier with Electronics Engineering. Anything from home security cameras to advanced autonomous parking systems are now achievable.

Here’s some projects our expert Electronics Engineers made real:

  • Designing and customizing schematics for DCDC step-down buck converters for specific applications
  • Turning hand drawn sketchs into a clean 2D DWG format schematic
  • Writing Arduino code for controlling thermostats remotely over WiFi or the Cloud
  • Developing custom firmware programs embedded with LCDs, Serial peripherals and WIFI
  • Developing Arduino counter applications for Instagram followers
  • Converting CAD models into Gerber files for the creation of PCBs
  • Programming stepper motors for two axis machines with aNextion 7” GUI script
  • Designing fully functional printed circuit boards in Altium Software
  • Programming Arduino boards for stepper motor control for large scale Sawmills

Are you interested in creating something special? Consider hiring an Electronics Engineer on Freelancer.com to design a new innovative product! With their expertise in automation systems and other advanced technologies, they can bring your product to life faster than ever before while making sure it’s efficient and safe. So why wait? Post your project today!

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    92 trabalhos encontrados, preços em USD

    Olá, preciso de um projeto em Kicad para um amplificador de celula de carga HX711 com antena bluetooh, carregador para bateria de lítio, e led indicadores de bateria e ligado. Com botão capacitivo para ligar e micro USB para carregar

    $21 (Avg Bid)
    $21 Média
    5 ofertas
    head shaver 6 dias left

    I'm looking for an electric head shaver that can provide me with the features that I need. Battery life is the most important feature for me, so I want something that will last a long time and won't need to be recharged often. I'm looking to stay within a budget of $50-$100, so anything that can meet that requirement would be ideal.

    $210 (Avg Bid)
    $210 Média
    12 ofertas
    Electronic board for a wearable 6 dias left
    VERIFICADO

    this project is the development AND the production of an electronic board to measure physical parameters (impedance and light sensor). All technical details are given in the attached file. There is no deadline for the delivery - the project will start (with a payment) at the end of month (June 2023) Don't take the project if you can't deliver the hardware AND the firmware.

    $1125 (Avg Bid)
    $1125 Média
    16 ofertas

    I am looking for a freelancer who can design and build a solar panel and battery system for my ESP32 board. The system should provide power in an outdoor environment. The voltage output of the solar panel and battery system should be custom, as specified in the project details. The battery should be able to provide power to the ESP32 board for up to 24-48 hours without solar charging. I have set up a network of esp32 boards. One of them works as the receiver - web server and the rest of them work as senders, all this happens under the ESP-Now protocol. The only thing that all this system does is the following: Each ESP32 sender has a momentary button. When you press it just for a while (around 1 sec), you wake the esp32 up, it sends a few data to the receiver and after approximatel...

    $128 (Avg Bid)
    $128 Média
    11 ofertas

    20 or 15 questions in 1 hours 1- BJT DC Analysis. 2- BJT AC Analysis. 3- OP-AMP. However, concepts such as Zener Diode, KCL, KVL, basic circuit concepts are still required. Regards.

    $26 (Avg Bid)
    $26 Média
    14 ofertas

    I am looking for a freelancer to create an instant water cooler for my shower. The water cooler should be medium-sized and fit on the shower wall. I prefer an electric (plug-in) power source for the cooler. There are no additional features required for the water cooler, just a basic design. Ideal Skills and Experience: - Experience in designing and building water coolers - Knowledge of electrical systems and components - Ability to create a sleek and functional design for the water cooler

    $452 (Avg Bid)
    $452 Média
    20 ofertas

    I am looking to deploy an NB-IoT system to measure and collect data on wave and stream movement from a sea float. No existing sensors or equipment will be used. The data will be collected by a server and in a later time that data will be processed by clients computer. We are contractors and our client needs one prototype only. This will not be a production project. The sensor are required to be Ultrasonic for the wave height meassurement (up to 5 meters is enough). The other two senors that will define stream velocity and stream direction need design. We do not think that exist ready made for marine use (should withstand salt). The data from the sensors will be transmitted with a NB-IoT modem to the server (this should be setup with the appropriate program). If you feel confident that you...

    $1047 (Avg Bid)
    $1047 Média
    17 ofertas

    I need help about my Electronis project which include MOSFET, BJT and JFET's (AC and DC Analysis). We will do the project on 12 June 2023. Project will include the detailed circuit review. Can you help me about it? Thanks in advance. Ideal Skills and Experience: - Strong knowledge and understanding of MOSFET transistors and circuit design - Experience in providing detailed technical assistance and guidance to clients - Familiarity with amplifier and switch design is a plus I look forward to working with a skilled and experienced freelancer who can help me achieve my goals and bring my electronics project to fruition.

    $104 (Avg Bid)
    $104 Média
    25 ofertas
    SIM7600EI 6 dias left

    I am looking for a freelancer to help with my project that incorporates a SIM7600EI module. The main purpose of this module is to facilitate wireless communication within my system (specifically 4G). Not only do I need assistance with setting up the communications, but I am also looking for help with both hardware and software integration. This project will require the freelancer to have knowledge and experience of wireless communications as well as hardware/software integration. I am looking for someone who can get the project done in a timely manner while ensuring the highest quality of work.(I cannot provide the hardware but I need the other person to guide me online to connect SIM7600EI module to arduino uno to send sms or make a phone call)

    $15 (Avg Bid)
    $15 Média
    2 ofertas

    during the rotation of servo motor it tightens the object even if it rotates in a wrong thread so it is damaging the thread. so while rotating if it running on a wrong thread then it should stop automatically by not having enough torque.

    $270 (Avg Bid)
    $270 Média
    13 ofertas

    Topics that we will focus on: 1- BJT DC Analysis. 2- BJT AC Analysis. 3- OP-AMP. However, concepts such as Zener Diode, KCL, KVL, and basic circuit concepts are still required. Regards.

    $18 (Avg Bid)
    $18 Média
    31 ofertas

    Hello, We are looking for person/team for development of addressable fire control unit and detectors.

    $2123 (Avg Bid)
    $2123 Média
    2 ofertas

    QUiero que alguien me ayude a poder mover una camara de vigilancia ptz por medio de gafas de vr, es decir al momento de colocar las gafas vr poder mirar en tiempo real el video de la camara ptz y puedo girar o moverse segun el movimiento de las gafas

    $16 / hr (Avg Bid)
    $16 / hr Média
    6 ofertas

    Need a concept schematic which will have real-world use for an emergency shutoff button inside commercial freezers which sends alarms to public officers

    $89 (Avg Bid)
    $89 Média
    16 ofertas

    there are dry herb vaporizers but those arent as potent nor reliable. a device that looks like a regular pipe but have a little cover on the top where the fire would come out of.

    $3843 (Avg Bid)
    $3843 Média
    8 ofertas

    I am looking for a freelancer who can help me install a NEMA 14-50 outlet. I do not have an existing electrical outlet, so one needs to be installed. The distance between my main electrical panel and the desired location for the outlet is less than 50 feet. The primary purpose of this installation is for electric vehicle charging. Ideal Skills and Experience: - Certified electrician with experience installing NEMA 14-50 outlets - Familiarity with local electrical codes and regulations - Knowledge of electric vehicle charging equipment and installation requirements

    $30 / hr (Avg Bid)
    $30 / hr Média
    3 ofertas

    I am looking for someone who can install a NEMA 14-50 outlet in my garage. My home's current electrical setup is 240V. The installation is not for an electric vehicle charger, but for another purpose. I would like the installation to be done in my garage. The ideal candidate should have experience in electrical installation and be knowledgeable about NEMA 14-50 outlets.

    $145 (Avg Bid)
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    3 ofertas

    DC-DC Boost Converter Project I am looking for a freelancer who can design and build a DC-DC boost converter to meet the following requirements: Input Voltage Range: 18-36V Desired Output Voltage: 180V regulated; adjustable between 50-180V through a 10K pot. Required Output Current: 1A-5A Ideal Skills and Experience: - Experience designing and building DC-DC boost converters - Knowledge of power electronics and circuit design - Proficiency with simulation software (e.g. LTSpice, Simulink) - Familiarity with components and materials used in power electronics The completed project should include: - Schematic and PCB design files - Bill of materials - Test results and performance data If you have the skills and experience required for this project, please submit a proposal with your app...

    $316 (Avg Bid)
    $316 Média
    19 ofertas
    LT SPICE amplifier work 5 dias left
    VERIFICADO

    I am in need of a professional to work on an LT SPICE amplifier project. The ideal candidate should have experience in designing and implementing amplifiers. The following are the requirements for the project: Input Signal Source: Sine Wave Specifications: - Input and Output Impedance - Bandwidth Gain: Greater than or equal to 200 The successful candidate will be expected to deliver high-quality work, and be able to work within the specified deadline.

    $88 (Avg Bid)
    $88 Média
    18 ofertas

    Specific replies considering the project content will be preferred choosen! Task: From a previous project, we received a PCB design but unfortunately, it has some mistakes like the following. - line spacing not homogeneous and not with > 50µm spacing) - lines are not centered within the contact pad - lines are ending without being connected - solder stop layer not correctly applied => A few more modifications need to be done: please check the file "" and the description. I will provide the .dxf and the gerber data. => I expect the corrected .dxf and Gerber data back in and .BRD files within five working days after the project acceptance. Within the attached files, you can see the "misstakes" to be corrected.

    $163 (Avg Bid)
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    30 ofertas
    Ltspice Electrical 5 dias left
    VERIFICADO

    I am looking for a skilled freelancer to assist me with my personal project involving Ltspice Electrical simulation. The goal of this project is to simulate a specific circuit, and I am looking for someone who has experience in troubleshooting and designing new circuits as well.

    $3 / hr (Avg Bid)
    $3 / hr Média
    9 ofertas

    I am looking for an expert in Matlab/Simulink who can assist me with an advanced modeling and simulation project in the electronics field. The ideal candidate should have experience in: - Advanced level Matlab/Simulink skills - Electronics and circuit design - Simulation and modeling of electronic systems The project will involve: - Developing and implementing advanced models and simulations using Matlab/Simulink - Analyzing and evaluating system performance - Troubleshooting and debugging issues as they arise If you have the required skills and experience, please feel free to submit a proposal and we can discuss the project further. Thank you.

    $12 / hr (Avg Bid)
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    15 ofertas

    I am looking for a skilled Matlab Simulink expert to tune and adjust my power controller. The controller type is PID and its primary application is power converter. I require the controller to have a fast response time with minimal overshoot and high stability. Ideal Skills and Experience: - Strong proficiency in Matlab Simulink - Experience in electrical engineering and power control subjects - Experience with power controller tuning and adjustment - Knowledge of PID controllers and their performance criteria - Understanding of power converter applications The project will involve: - Reviewing the current power controller settings and performance - Identifying areas for improvement - Adjusting the controller parameters to achieve the desired performance criteria - Testing and val...

    $23 (Avg Bid)
    $23 Média
    26 ofertas

    I am looking for someone to design an electrical wiring plan for warehouse lighting and power systems. The warehouse is between 10,000 and 13,000 square feet in size and I am requiring LED Lighting throughout. There are no special power requirements for equipment, as standard power outlets should be sufficient. I require a comprehensive electrical wiring plan with clear diagrams, detailed specifications, and instructions. You must have prior experience in designing warehouse lighting and power systems, and be confident in your ability to create a plan that works reliably. The project must be completed on-time and within budget. A. Objective: To provide a safe and reliable electrical system that meets the operational needs of the facility. B. Present condition: Conduits are laid from ma...

    $84 (Avg Bid)
    Local
    $84 Média
    1 ofertas

    In this project, I am looking for a freelancer who can help me explore the capabilities of Raspberry Pi, a versatile single-board computer. My goal is to create a written tutorial showcasing the limitless possibilities of Raspberry Pi. The target audience for this tutorial is intermediate level users who are looking to expand their knowledge of Raspberry Pi. Ideal skills and experience: - Strong understanding of Raspberry Pi and its capabilities - Excellent technical writing skills - Ability to create clear and concise tutorials - Experience with intermediate level Raspberry Pi projects and programming - Familiarity with Raspberry Pi accessories and add-ons

    $103 (Avg Bid)
    $103 Média
    23 ofertas

    I just had a few questions about my taser module, my friend and i agreed that when we put 9 volt abtteries in series the voltage doubles and so does the current, i original thought the current wouldn't double but they are proportional, but when the batteries are in parrallel the amps double, i have a taser module and when the batteries that supply power to it are in parrallel the spark it makes is way bigger than in series, that is what i am trying to understand, how come when the batteries are in series the spark is smaller if in both series and parrallel the amps double, i also have a tiny transformer that makes sparks that maybe you could explain how to get up and running, I am not sure the components required to get it working

    $13 (Avg Bid)
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    14 ofertas

    I am looking to create a testicle cooling device. Please see this for reference: The company that was creating the above product abandoned the project. It needs to be able to be worn most of the day before needing to be charged, or replace batteries etc. it needs to be able to deal with excess heat coming from testicles due to medical condition, and to consistently reduce testicle temperature about 5 degrees farenheight. I have bi-lateral varicoceles with 3 failed surgeries. Surgical repair is no longer an option. Because of my varicoceles, I have bad sperm quality due to the varicoceles overheating my testicles and more. This product is mainly for personal use, however I would consider making more and starting a company with it down the road. But mostly it’s for myself so I can...

    $2156 (Avg Bid)
    $2156 Média
    8 ofertas
    Axle Scale 4 dias left
    VERIFICADO

    - Looking for a freelancer to write the code for Wemos D1 WiFi Boards and a Mobile app for a truck axle scale. - The scale exists of 3x Wemos D1 mini lite with air pressure sensor. 1x Wemos D1 mini lite with HX711 and strain gauges. 1x Wemos D1 WiFi Uno Board with LCD display 1x Wifi/bluetooth printer 1x Mobile phone application - The 4x axle units must send data to main Wemos D1 WiFi Uno Board. Mobile phone must also connect to main bord. Each axle scale must be calibrated in the main bord through mobile phone. Total empty and full weight must be recorded on phone and user friendly weight ticket must be printed on request.

    $7 (Avg Bid)
    $7 Média
    7 ofertas
    PLC expert -- 2 4 dias left
    VERIFICADO

    Need someone to compare two PLC models and revue pros and cons of each feature

    $13 / hr (Avg Bid)
    $13 / hr Média
    16 ofertas

    My project is about creating an LMS Adaptive Filter in the structural level using an FPGA. The desired outcome is to reduce the noise level of the system. I am looking for a freelancer with experience using the Xilinx FPGA platform, as this is my preferred FPGA of choice. I have advanced experience with FPGA programming and understand the complexity of this project. I am looking for someone who is highly knowledgeable and experienced in FPGA programming to work on this project. The successful freelancer should be able to communicate results effectively and have the ability to troubleshoot any issues that may arise throughout the process.

    $262 (Avg Bid)
    $262 Média
    4 ofertas

    A newly bought tea packing machine has an electrical defect caused by incorrect wiring to a controller. We need to install a new controller while correcting the wiring. 2 live wires were connected to the controller instead of one so the old controller is broken now. So one of 2 live wires should be connected to the neutral.

    $25 - $314
    Local
    $25 - $314
    0 ofertas

    I need a consultant for a Solar micro inverter design with maximum power 750W , 1500W and 2000W ( multiple inputs with 250W per input). Detailed spec will be explained during discussion. Our company has electronics engineers so we need a consultant with solid experience in designing solar micro inverter. Please do not bid if you haven't done a successful micro inverter. Also I do not respond to generic bid messages. Please be specific with your Solar micro inverter experience. Start your bid message with "SOLMICINV" to make sure that you have read it fully

    $250 - $750
    Destacado Secreto
    $250 - $750
    11 ofertas
    c++ Linux Bluetooth project 4 dias left
    VERIFICADO

    I am looking for a C++ developer with experience in Linux and Bluetooth to help me with a project. The purpose of the project is to transfer data via Bluetooth from a phone to a linux embedded system. The ideal candidate should have experience working with embedded systems and Bluetooth. The project will be focused on developing a system that will transfer data seamlessly and securely over Bluetooth. Allow the devices to connect over bluetooth whether that is just automatically allowing connection or through discovery and selection then for them to communicate over the connection. It can use PAN IP network or rfcomm to send and receive the data that part is not fully determined.

    $219 (Avg Bid)
    $219 Média
    16 ofertas

    I am looking for an experienced developer to create a project using the STM32-nucleo f401-RE. The primary function of this project will be to acquire sensors data, specifically Lights. I need this project to be completed as soon as possible. It would be great if you have experience in motor control and communication interface, but those are not essential components of the project. The timeline is very tight, so please keep that in mind when bidding for the job. Thank you for taking the time to review my project. I look forward to hearing your ideas and working with you on this project.

    $163 (Avg Bid)
    $163 Média
    19 ofertas

    i need pcb design of raspberry pi which includes schematic , layout , bill of material and gerbers .

    $147 (Avg Bid)
    $147 Média
    14 ofertas

    I am looking for a professional to create a 3 phase auto starter for my motor, Using HOLTEK HT66F0021, I have shared ckt diagram for that I just need code . It should also have a feature for phase reversal protection, as well as an enclosure made of plastic. I am hoping to find someone who can deliver a reliable and effective product within the specified timeframe. I welcome any suggestions and advice from experts in the field and will be happy to discuss any additional requirements as necessary.

    $11 / hr (Avg Bid)
    $11 / hr Média
    5 ofertas
    Firmware for Antminer S19 Pro 4 dias left
    VERIFICADO

    I need an experienced firmware developer who have already done firmware development for Antminer S19 Pro or WhatsMiner miners. Bid only if you have past experience only. I would need sample of your past work over a zoom call.

    $71 / hr (Avg Bid)
    $71 / hr Média
    10 ofertas
    All bars and racks 3 dias left
    VERIFICADO

    Need a electrical engineer to sighn of on plans for purposed awning stating the relevant qld emergency lighting and exit sign standards for the certifier

    $282 (Avg Bid)
    $282 Média
    19 ofertas
    Potential Term Project 3 dias left
    VERIFICADO

    I am looking for a freelancer to help me complete a potential term project related to electrical engineering with a focus on wireless communication. As the project is expected to be highly advanced, I am seeking a freelancer with extensive experience and expertise in electrical engineering and a deep understanding of wireless communication concepts. The project will require advanced research and application of concepts within these areas. Additionally, I will require the freelancer to provide consultancy support during the duration of the project.

    $50 (Avg Bid)
    $50 Média
    15 ofertas
    Audio PCB design 3 dias left

    Hi! I'm looking for an experienced PCB design engineer to create a custom audio PCB design for a project I am working on. This project requires a large design (over 5 square inches) for audio processing purposes, with a focus on 5.1 decoding. The engineer should have extensive experience in PCB design and must be proficient in various aspects of the development process, including component selection, circuit analysis, prototyping, debugging, and validation. Knowledge of audio processing concepts, such as signal filtering, sound effects, and equalization, is essential. The chosen engineer will be required to implement the most cost-effective solution and create a product that meets all functional requirements. If you believe that you have the skills and knowledge necessary to complet...

    $147 (Avg Bid)
    $147 Média
    13 ofertas

    I'm looking to create a student smart card utilizing RFID technology. The primary function of this card will be payment, but it will also have the capability for high school students to use it as identification and attendance tracking. This card would be for students in high school, so age and security concerns should be at the forefront of the development. The target audience will be high school students, so any designs, colors, or shapes should be appealing to a teen demographic. I am looking for someone with the ability to design a card that can integrate with existing systems, secure systems that have the capability for payment and identification/attendance tracking, and a stylish look that is trendy for teens.

    $363 (Avg Bid)
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    31 ofertas

    I am looking for a Freelancer who can help me with a project involving the coding of an Arduino microcontroller with other devices. This project is for a clock to countdown to a specific date based on input information from a membrane keypad, and I have a specific list of devices to be integrated with the Arduino. For this project, I am looking for a freelancer with Beginner level coding expertise. If you think you have the skillset I'm looking for, don't hesitate to submit a proposal!

    $140 (Avg Bid)
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    34 ofertas

    I am looking for a freelancer to program a PIC16F630 using C++ and Proteus. I have a specific program in mind that I would like to use. The ideal candidate should have beginner level expertise in programming and be comfortable using C++. Both Assembly Language and C++ are acceptable.

    $462 (Avg Bid)
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    33 ofertas
    16 bit Data Acquisition PCB Card 3 dias left
    VERIFICADO

    I am looking for a freelancer to design a 16-bit data acquisition PCB card that can acquire both analog and digital signals. The required sampling rate for the data acquisition is greater than 10 kS/s. The analog to digital converter (ADC) on the PCB card must have a resolution of 16-bit(AD7606B device is preferred). Ideal skills and experience for this job include: - Experience in designing PCB cards for data acquisition - Proficiency in analog and digital signal processing - Familiarity with ADCs and their specifications - Knowledge of high-speed data acquisition techniques - Ability to work with microcontrollers and programming languages such as C or Python. The freelancer should be able to provide detailed schematics, board layouts, and bill of materials for the final design. The f...

    $539 (Avg Bid)
    $539 Média
    33 ofertas
    HALO Bluetooth 3 dias left
    VERIFICADO

    I have a handset (BLE central device) using a PIC controller and the Microchip RN4870 BLE controller I have a headset (BLE peripheral device) using a PIC controller and the Microchip RN4678-V/RM100. I need to be able both BLE controllers to appear as UARTs so I can send short text strings between them. General BLE Requirements Handset will only look for headset advertisement No authentication, just pair No keyboard or UI required No power up sequence required for pairing i.e. handset must be scanning before headset is advertising or vice versa. Thanks!

    $1103 (Avg Bid)
    $1103 Média
    33 ofertas
    Design a Fibre System matlab 3 dias left
    VERIFICADO

    Design a fibre system to transmit 2 Gbits/sec (RZ) over a 5000-km path. The error rate must be 10−9 or better. There is no unique solution. Design the system in your own way. Show power and bandwidth budget calculations that include the source, fibre and detector of your choice. You may chose any component that you like. However, the parameter values for those components should be actual values sourced from any text book or online data sheet that you find. You must include these as references in your report. Remember to imagine you are working for a company and that you are trying to please your boss. Therefore, whilst you must provide some reasonable bandwidth and power budget margin you should not overdesign the system. This will make your boss angry as it will be too expensive.

    $121 (Avg Bid)
    $121 Média
    25 ofertas

    I am in need of a skilled electrical/electronics engineer to design a circuit for my consumer electronics project. The ideal candidate will have experience in circuit design/ firmware development and be able to work quickly to meet my tight deadline of less than 1 week. Specifically, I need someone who has the following skills: - Circuit design/ MIcrocontrollers/ PCB - Ability to work quickly and efficiently - Experience with consumer electronics If you are an electrical/electronics engineer who meets these requirements, please submit your proposal. Thank you!

    $15 / hr (Avg Bid)
    $15 / hr Média
    32 ofertas

    I'm looking for an experienced electrical engineer to help with a power distribution project in the renewable energy sector in HV & NV for a 100MW solar farm in Tanzania. The scope of the project is small and the timeline is less than a week. If you have the skills and experience and can work on this project within the expected timeline, please contact me as soon as possible. I look forward to hearing from you. This would be to join our team on a site visit

    $1778 (Avg Bid)
    Local
    $1778 Média
    19 ofertas

    I'm looking for someone who can edit firmware from a Nec UPD78P4038GC microcontroller so that it works with Nec UPD78P4026GC. These two microcontrollers are almost identical, they are pin compatible, but their firmwares are not interchangable out of the box. There are no source codes for this firmware, so it is not possible to compile this firmware for another microcontroller.

    $398 (Avg Bid)
    $398 Média
    18 ofertas

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