Arduino is an open source platform widely used by professional engineers and hobbyists to create interactive electronics projects. An Arduino Engineer is a skilled and experienced individual who can custom-build integrated hardware designs tailored to individual client projects. They are knowledgeable in designing, constructing, and testing cutting-edge hardware projects.

An Arduino engineer can create any kind of electronic circuit design. They are able to develop prototypes for a test version, incorporate vital components such as integrated circuits and relays, code the project with both C and C++ programming languages, as well as generate HTML and Java-based user interfaces. Furthermore, they can assist clients with the setup or installation of hardware or embedded systems.

Here's some projects that our expert Arduino Engineer made real:

  • Complex software and hardware integrated designs that integrate various peripherals such as LCD, Serial peripheral and SD cards as well as WIFI modules
  • Creative program solutions for industrial machinery such as a stepper motor
  • Smart solutions for machine learning programming tasks such as optimizing playing tactics for a game
  • Designing PCBs to support multiple Arduinos and connecting them through Tx Rx modules
  • Experienced sound processing tasks combined with signal processing tools like Fast Fourier Transform
  • Making concept ideas into reality through advanced programming techniques

The possibilities of what an Arduino Engineer can accomplish are vast. Our select group of engineers have propelled our clients projects into fruition through numerous successful projects. From designing a counter designed for social media followers, to constructing a PCB for advanced Arduino Nanos control systems - our engineers have done it all. And now Freelancer.com invites you to join our international community of experts, who can help bring your own project ideas to life! Post your project now and hire a freelance Arduino engineer on Freelancer today!

From 32,393 reviews, clients rate our Arduino Engineers 4.84 out of 5 stars.
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    I'm seeking a talented freelancer to bring to life a microcontroller project utilizing Circuit Python. The chosen expert will intertwine data logging, control of physical components, and sensor integration functionalities into a coherent system that's both reliable and efficient. This project is set to be implemented on microcontrollers, ensuring a compact, yet powerful, application. **Ideal Skills and Experience:** - Proficient in Circuit Python - Solid understanding of microcontrollers (specific models will be discussed) - Experience with data logging, controlling physical components, and integrating sensors - Ability to write clean, maintainable code - Previous projects involving sensor data collection and automation - Creative problem-solving skills and the ability to work w...

    £129 (Avg Bid)
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    As a dedicated PIC12F675 developer, I am seeking an expert programmer proficient in Assembly language. Understanding TT223 input management and LED control is vital as this task involves using tt223 as input with LED control on the PIC12F675 programming project. Key functions required include: - Developing an assembly language program for PIC12F675 - Integrating TT223 inputs into the system - Implementing LED control; specifically, for every touch, one LED (connected via 3 output pins) should light up. -on each touch 1st led 1 shuld be on and led 2&3 will be off and like wise on second touch led 2nd will be on 1&3 will be off on 3rd touch led3 will be on and 1&2 will be off - and on 4th touch all 3 led will be on and on 5th touch all led will be chaser form - on 6 touch ...

    £63 (Avg Bid)
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    I'm looking for a skilled developer to create a custom Arduino library. This library will be specifically for the Arduino Uno, and it will need to incorporate sensor interaction functionality. In particular, the library should be designed to interact with voltage and current sensors. - Required Skills: - Expertise in Arduino library creation - Experience with Arduino Uno - Proficient in sensor interaction, particularly with voltage and current sensors to find the voltage, current and power factor with proper callibration Your ability to deliver a well-documented, bug-free, and highly functional library is crucial to the success of this project. Proven background in similar projects will highly be advantageous.

    £67 (Avg Bid)
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    I'm in search of a seasoned professional in firmware development, specifically with an advanced understanding of implementing CAN protocol. Out hardware is embedded with an ESP8266 controller with a CAN controller. Currently we want RP1210 to be implemented but we are also looking forward to implement J2534. If the job description matches your skillset and expertise please reach out. If required we can send over the hardware for testing and development

    £246 (Avg Bid)
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    I'm seeking a highly capable engineer to help me create a Variable Frequency Drive (VFD) aimed at speed control for an induction motor. Project Specifics: - The VFD is intended for a motor with a power range up to 5 HP. - It should have over-voltage, under voltage and over current protection Qualifications: - Proven experience in designing VFDs. - Good understanding of over-voltage protection mechanisms. - Arduino knowledge is vital. Your role will involve designing, programming, and testing the VFD. Quality and safety are paramount in this project.

    £106 (Avg Bid)
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    NFC-Enabled Inventory System 5 days left
    VERIFIED

    I am seeking an experienced Arduino developer to create a system capable of both reading from and save text data to file. This project aims to facilitate efficient product information retrieval, serving as a groundbreaking inventory management solution. **Key Requirements:** - Build an Arduino-based system that reads and store data onto file. - Implement a feature for easy product information retrieval. - Ensure the system is user-friendly and reliable for inventory management purposes. **Ideal Skills:** - Proficiency in Arduino programming - Experience with NFC technology - Knowledge in developing user interfaces - Understanding of inventory management systems The perfect candidate not only has technical expertise but also a creative mindset to contribute ideas for system optimization....

    £397 (Avg Bid)
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    I'm embarking on a home automation project and need a talented freelancer skilled in PIC assembly language, specifically for the PIC16 series. My project's primary goal is to develop robust and efficient assembly code that can seamlessly integrate into my existing home automation system. **What I Need:** - Expertise in writing assembly code from scratch tailored to PIC16. - Ability to understand my project's requirements and translate them into efficient code. - Knowledge in home automation applications would be beneficial. **Skills and Experience Required:** - Proven experience with PIC assembly programming, particularly with the PIC16 microcontroller series. - Strong understanding of how to write clean, efficient, and maintainable assembly code. - Previous projects or ex...

    £10 / hr (Avg Bid)
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    Hello! I need to make changes to the Arduino Mega so that it can be used for my specific applications. I need to use the electronic diagram of the Arduino Mega PCB board and implement the following changes: - Touch screen display interface; - change the connectcores; - add the RS485 communication/conversion module; This is all on the same PCB. In the end, I intend to have: - Electronic PCB design in DesignSpark file or compatible format; - GERBER files ready for production - BOM file filled out with manufacturer and seller data - XY files - Stencil files - PDF including schematic and board layers - Pictures of the possible design (software generated) - 3D model * (step file) - Source files of the project Attached, example of the final result, after production

    £78 (Avg Bid)
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    LED Control PIC Expert Needed 5 days left
    VERIFIED

    I'm seeking an experienced freelancer who is adept in writing and debugging PIC assembly code, particularly for controlling a small set of LEDs (2-10). The essence of this project revolves around the efficient manipulation and management of these LEDs to achieve desired lighting effects and functional outputs. **Key Requirements:** - Proficiency in PIC assembly code writing with a deep understanding of its syntax and structure. - Prior experience with LED control projects, especially in designing and correcting code for smooth operation. - Ability to debug and optimize existing assembly code to ensure reliable performance of LED functions. - Knowledge of electrical circuits, as you might need to provide insights or suggestions on connecting the LEDs to the PIC microcontroller. **Ide...

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    I'm seeking a highly skilled firmware engineer with deep expertise in designing, developing, and optimizing firmware for IoT devices, specifically focusing on low power consumption. Our current project involves creating a firmware for an Arduino Nano BLE 33 that leverages its Low Power Comparator (LPCOMP) to wake up the CPU from sleep mode efficiently. This capability is critical for extending the battery life of our device while maintaining responsiveness. **Requirements & Skills:** - Proficient in developing firmware for Arduino Nano BLE 33. - Deep understanding of LPCOMP and its implementation for CPU wakeup. - Experience with embedded systems, particularly in IoT devices and consumer electronics. - Expertise in sleep mode functionality and creating energy-efficient firmware. ...

    £41 (Avg Bid)
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    Firmware Upgrade & Bug Fix 4 days left
    VERIFIED

    I'm looking for a talented embedded systems developer to make crucial updates and improvements to the firmware of an EFM32-based system. This project revolves around enhancing the current firmware, which is at a basic functionality level, and is primarily used for data collection purposes. **Requirements:** - **Change Functionality**: Update the existing firmware to add new features based on project needs. - **Improve Performance**: Optimize the code to enhance data processing and collection speeds. - **Fix Bugs**: Identify and correct any existing flaws within the current firmware setup. **Current Functionality Overview:** The project at hand has a foundational layer of firmware that carries out simple data collection tasks. These operations need to be expanded and refined to bett...

    £366 (Avg Bid)
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    I am searching for a programmer specialized with STM32 to develop an inverter. Here are the core competencies you need for the project: - Knowledge of basic communication protocols like UART, SPI, I2C. - Ability to handle sensor integration. - STM32 programming experience, preferred language not specified. - In-depth knowledge in developing off-grid inverters would be a great plus. For this task, you will focus mainly on creating the inverter. The work may require employing a variety of communication protocols and integrating them with various sensors. Please confirm if you have these capabilities before bidding on the project.

    £532 (Avg Bid)
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    Project Goal: Develop an Internet of Things (IoT) device with a real-time mobile application. Key Components: IoT Device: This is the physical device equipped with sensors, actuators, and communication technology (WiFi, Bluetooth, NodeMCU etc.) to collect data and interact with the environment. Real-time Mobile App: This application acts as the user interface for interacting with the IoT device. It should display data captured by the device in real-time, allow for user control, and potentially offer additional features like data analysis, notifications, and device settings.

    £822 (Avg Bid)
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    We have an ESP32 project that was initially developed on PlatformIO using the Arduino framework. We need to port the project to idiomatic ESP-IDF.

    £1898 (Avg Bid)
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    Looking for c++ esp32 developer based in Riyadh Saudi to update code and debug

    £109 (Avg Bid)
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    I'm looking for a skilled developer to create a system integrating Nodemcu with Espalexa. This system will measure and report ultrasonic distance data, allowing Alexa to announce it audibly. Key Requirements: - Program Espalexa to enable Alexa to speak the measured distance every hour or on demand by user. - Implement functionality for Alexa to provide notifications when the measured distance crosses predefined thresholds. Ideal Skills and Experience: - Proficiency in IoT development, specifically with Nodemcu and Espalexa. - Competency in developing Alexa Skills and understanding of Amazon's Alexa Voice Service (AVS) API. - Ability to create logical thresholds for notifications, based on client specifications. Your tasks will also include assisting in the setup process, ensu...

    £83 (Avg Bid)
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    I am in need of an IOT sensor, capable of monitoring, measuring and displaying a 48-volt lithium-ion battery's charge percentage, unique ID and temperature. The vital parameters need to be visible on an 8-bit screen (screen type is open to expert recommendations). In addition to the visual display, the device should have Bluetooth capabilities to share data with mobile phones. Desired Features: - IOT Sensor: To continually measure battery’s charge, unique ID and temperature. - 8-bit Screen: To display the determined parameters. Type of screen (LCD, OLED, E-ink) can be recommended by freelancer based on their experience and best practices. - Bluetooth Connectivity: To transmit data to mobile devices. Specific Data to Display/Share: - Charge Percentage - Unique Battery ID - Temp...

    £96 (Avg Bid)
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    The primary aim of my project is to implement monitoring and control functionalities using an Xbee Raspberry Pi. The focus is primarily on remote measurements, with an emphasis on digital I/O. Key requirements: - Ability to acquire data remotely and transmit it accurately - Special attention to digital I/O measurements Skills and Experience: - Proficiency with Xbee Raspberry Pi is crucial - Ability to interpret digital signals effectively - Prior experience in setting up remote monitoring systems is preferred. Raspbery pi with touch screen and remote node control through xbee

    £67 (Avg Bid)
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    2 bids
    ARM-based MCU Memory Mapping 2 days left
    VERIFIED

    I urgently need a well-experienced professional who can expertly create a detailed memory map for an ARM-based MCU. This is an 8-bit memory project that needs to be completed as soon as you can. Here's what you need to provide: - Memory map that includes memory addresses for an ARM-based MCU Skills and Experience Required: - Profound knowledge and experience with 8-bit memory and ARM-based MCU - Familiarity with memory map creation, memory addresses specifically - Ability to deliver high-quality work under tight deadlines Note: Please don’t apply if you don't have substantial experience with 8-bit memory and ARM-based MCUs. Your time and mine is precious. Let's respect that. Looking forward to your proposals.

    £408 (Avg Bid)
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    I'm looking for an expert in Bluetooth Low Energy (BLE) technology to create a system that logs the presence of BLE proximity sensors, specifically when they are within a 10-20 meter range of a tablet. Key Features: - Detect and log BLE sensors by name when in range - Tablets should NOT be connected to the internet during logging - Once a Wi-Fi connection is established, the system should auto-upload all previous logs Ideal Candidate Will Have: - Proficiency in BLE technology - Experience with tablet functionality - Understanding of Wi-Fi connectivity protocols - Capable of implementing auto-uploading features To ensure a successful project, familiarity with similar projects involving BLE technology and Wi-Fi connectivity & uploading methods would be a definite asset.

    £408 (Avg Bid)
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    As an individual needing assistance with programming my STM32F4 Discovery Board, I am looking for an experienced programmer capable of: - Programing the STM32F4 board ( or similar )to retrieve an Android phone Lock Screen pass by attempting numerical combinations following certain rules. I can provide a video with an example of similar project. Those with relevant skills and experience in STM32F4 Discovery Board programming,, protocol implementation, UI development, and embedded security are highly encouraged to bid on this project.

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    I'm seeking an experienced Python programmer with a sound understanding of AI model creation, particularly in the area of text generation based on Transformer architecture. The aim of this project is to create a robust AI model from scratch; ideally, this should not be a cloud-based model. Key requirements for this project include: - Proven proficiency in Python programming - Familiarity with text generation models and transformer architecture - Experience in AI model creation, although not mandatory, would be an asset This role is particularly suited to someone who enjoys problem-solving and is on the cutting edge of AI text generation model technologies. Close collaboration, meticulousness and a hands-on approach will form integral parts of delivering on this project's object...

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    I'm seeking a talented developer to create a cutting-edge application focused on using computer vision to control a robotic hand. The application must be compatible with Windows OS and capitalize on gesture recognition technology to enable precise manipulations. This project blends the innovative integration of Firmata protocol for Arduino-based hardware control with sophisticated image processing techniques. **Core Requirements:** - Develop an application for Windows that uses computer vision for gesture recognition to control a robotic hand. - Integrate Firmata protocol to establish communication with an Arduino-controlled robotic hand. - Implement robust gesture recognition capabilities allowing the robotic hand to mimic human hand movements accurately. **Ideal Skills and Experie...

    £81 (Avg Bid)
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    I'm looking for a talented individual to help me design and configure a repeater using the Arduino Atmega 328P microcontroller. This project aims to enhance the capabilities of a wireless sensor network by extending its range. The repeater needs to accomplish three main tasks: - Transmit data wirelessly - Receive and amplify weak signals - Extend the operational range of our current wireless sensor network Given the unique requirements of our project, the repeater should support a wireless communication standard not listed among the common ones (Wi-Fi, Bluetooth, ZigBee). The ideal candidate will advise on the best alternative standard to use based on the project's specifics and implement it effectively. Skills and experience necessary for the job include: - Proficiency in Ar...

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    Payment Gateway Development 1 day left
    VERIFIED

    Мне нужно система платежи по qr коду для вендингового машин. Вендинговая машина было сделано с помощи Arduino mega, esp8266 (NodeMCU). Мне нужно помощь только получить данные платеже для Arduino или esp8266 (NodeMCU).

    £40 (Avg Bid)
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    Home Automation PIC16 Coder 19 hours left
    VERIFIED

    I'm embarking on a home automation project and need a talented freelancer skilled in PIC assembly language, specifically for the PIC16 series. My project's primary goal is to develop robust and efficient assembly code that can seamlessly integrate into my existing home automation system. **What I Need:** - Expertise in writing assembly code from scratch tailored to PIC16. - Ability to understand my project's requirements and translate them into efficient code. - Knowledge in home automation applications would be beneficial. **Skills and Experience Required:** - Proven experience with PIC assembly programming, particularly with the PIC16 microcontroller series. - Strong understanding of how to write clean, efficient, and maintainable assembly code. - Previous projects or ex...

    £23 (Avg Bid)
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    I am on the lookout for an experienced individual to design and implement a groundbreaking QR-based vending system. This system should use India's UPI payment gateway and must be capable of vending food items. Despite having not used any such solutions before, I am keen to tap into this technology. The critical aspects I am seeking in the development of this project are: - UPI Payment Gateway: This is central to our operations as it will perform instant payment confirmation, hence proficiency with this technology is a must. - Arduino Experience: Knowledge in Arduino is key as this will be used extensively in the development of the vending system. - QR Code Expertise: You will be tasked with incorporating QR technology into our vending system to allow for product selection and payme...

    £116 (Avg Bid)
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    Tenía un ejemplo que funcionaba perfectamente para actualizar mi esp32 a través de OTA con el IDE arduino solo con llevar el archivo .BIN a mi hosting. He tenido que dar de baja esa web y al poner los archivos en otra web situada en el mismo hosting no me funciona.. no sé que puede ser, supongo que algo sencillo que no consigo ver. El funcionamiento es .. pongo un archivo TXT y el BIN en el servidor y cuando el esp32 comprueba que el txt es diferente descarga el bin y lo instala, por alguna razón ese código ha dejado de funcionar. Ayuda!!

    £125 (Avg Bid)
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    Requiero controlar la intensidad de un láser a través de una señal pwm de Arduino Uno, ya tengo la función del pwm de arduino con una implementacion de grbl que permite generar el pwm , solo necesito implementar un circuito que recibiendo la señal pwm controle la intensidad del laser hay que tener en cuenta el voltaje del laser Este es el modulo láser a controlar

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    Buenos dias estoy buscando un desarrollador de C++ para dispositivos RAKWireless que pueda realizar cambios o mejorar codigos para nueva funciones y analisis de Datos. Este link es para que puedan entender como funciona RUI3. Voy adjuntar un codigo basado en uno de eso ejemplos con algunos cambios, necesito que el codigo que le voy adjuntar cuando reciba comando AT custom los ejecute. actualmente el codigo lo hace pero queda en un loop. si lo pueden resolver me indican esta es una prueba para escoger a un programador para futuros proyectos de IoT.

    £13 (Avg Bid)
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