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 31,939 reviews, clients rate our Arduino Engineers 4.83 out of 5 stars.
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    33 jobs found, pricing in USD

    I'm looking for an expert in firmware engineering, specifically with experience working with microcontrollers. The ideal candidate will have a strong background in C++ and will be tasked with improving the performance of the existing firmware. Key tasks include: - Review the current firmware - Identify areas where performance can be improved - Implement changes without altering the firmware's ability to function with other devices Ideally, you should have: - Extensive experience with firmware optimization - Proficient in C++ - A complete understanding of microcontrollers

    $21 / hr (Avg Bid)
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    I am seeking a skilled app developer who can help me create a phone application that will be able to remotely control a Raspberry Pi device. This includes the ability to flash an LED from anywhere, and the app will need to interface with Google Cloud. Key Responsibilities: - Design and develop a phone application - Implementation of user interface - Deployment to Google Cloud for connection - Ability to flash an LED on Raspberry Pi remotely.

    $189 (Avg Bid)
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    I am seeking an expert who can design and assemble a single speaker for an outdoor sculpture. The idea would be that the speaker would play a selection of clips of a local classical music ensemble when a person walked near the sculpture. In the best case, there would be an easy way to change/update the clips the speaker played (like Bluetooth) but if that's cost prohibitive, I understand. Key Requirements: - The speaker should incorporate an infrared (or other type is fine) motion activation system. Prior experience with such technology would be advantageous. - Apart from motion activation, the speaker should be Bluetooth compatible and possess water resistance feature, making it adaptable to outdoor conditions. - As this speaker is intended for use in an outdoor sculpture installa...

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    H, Need arduino simplest interactive map with lights and buttons for each colored country... for kids -pcb -code Thanks

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    Hi guys I need a simple Arduino to able to do a launch control for four cyl motorbikes, trigger per button The rpm sensor is hall. Coils and injectors run 12v Need to able to set the gain (cut times) and amount of retard of the ignition, this is an idea if you have a optimal way let me know.

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    I'm in need of a seasoned Python developer who can help me leverage the power of audio through implementing specific functionalities in a desktop-based application. Key Features Required: - Speech recognition - Voice synthesis - Audio processing These features are intended to foster advanced interaction with the application, through a high-quality audio interface. Must-Have Expertise: - Knowledge of Python libraries such as Pydub, gTTS, SpeechRecognition, and AudioRecorder. Experience with AudioTranscriber and pyaudiowpatch is highly beneficial. - Familiarity with desktop-based program development - Previous work with audio-related projects would make you a standout candidate. Excited to collaborate with a tech-savvy Python developer who can bring my audio/mic vision to life o...

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    I'm in need of an experienced professional with vast knowledge of both Arduino and Radio-Frequency Identification (RFID). Key Duties: - Creating an advanced code for my Arduino Uno to function effectively. - Ensuring accurate collection of data from the RFID sensors. - Navigating communication with other devices smoothly. - Programing the RFID antenna for reading multiple tags with each performing specific functions. Ideal Skills and Experience: - Extensive experience with Arduino Uno. - Solid understanding of how RFID systems work. - Proven ability to develop complex Arduino codes. - Background in sensor data collection and device communication. Please, apply if you possess these skills and are ready for an exciting challenge!

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    I'm looking for an experienced IOT developer who specializes in Arduino. The ideal candidate should be able to work on a project involving device control and automation, and sensor data collection. Price can be discussed in private chat season. Key details: - The IoT device will be interacting with various sensor types - Temperature, Humidity, Motion, Vibration, RPM, Location, and Speed. - You will be responsible for setting up the system for successful sensor data collection and device automation. -Hardware-level understanding. The perfect freelancer for this project will have a deep understanding of Arduino and its capabilities, with previous experience in automation and sensor data collection seen as a major plus. Experience with the specific sensors listed is desirable, but not...

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    I require an electronic engineer to design a programmable microcontroller-based PCB card. The card must serve the purpose of monitoring domestic power consumption, and so should include features to assist with this. Key Features: - The microcontroller must be programmable with tinyGo - Inclusion of GPRS for internet connectivity (only one provider available) - Incorporation of a single phase and tri-phase relay (50v - 400v) - 4inch max ePaper for screen display - Four functional buttons - Battery-operated - Hermetic Case design The desired size of the PCB card is small, between 2 and 5 square inches. All materials used should not exceed a total cost of $30. Ideal skills and experience: - Proficiency in electronic design, specifically with PCB - Familiarity with tinyGo programming - Und...

    $3919 (Avg Bid)
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    I am interested in developing a software thermostat for my heat pump. It should have capabilities like: - Controlling Temperature: Main feature I require is the ability of the thermostat to manage and control a temperature range of 20°C - 65°C for the outlet of heat pump ( temperature modulation ) something like a smart room thermostat who read outdoor and indoor temperature and change outlet flow temperature for heat pump. - Data: Tuya and modbus tcpip - Remote Control: The thermostat should've remote control functionality to make adjustments from anywhere. - Platform Compatibility: The software should be compatible with Python ,Home Assistant and Raspberry Pi for easy integration into my existing system. Ideal candidates will have expertise in data monitoring, softw...

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    Seeking a passionate firmware developer with strength in C++ programming language. The key focus of this project is to create firmware for an embedded system and to handle data transfer between components effectively. Core Responsibilities: - Design and implement firmware architecture in C++ - Ensure smooth data transfer between components - Test and debug the firmware to ensure reliability and efficiency Ideal Skills and Experience: - Strong experience with C++ and embedded systems - Proven experience in firmware development - Detail-oriented with meticulous debugging skills - Good understanding of data transfer protocols would be beneficial. I want to use this ADC with the US9111 pressure sensor. I want to measure the pressure at 15 PSI range. And, initial condition that should be z...

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    Title: Wireless Digital I/O Two-Way Controller with Battery Monitoring for Agricultural Fields Description: Our project endeavors to create an advanced wireless digital I/O two-way controller customized for agricultural fields covering an extensive area of 200x200 meters. The system architecture consists of a central main node and multiple field nodes strategically dispersed across the field, ensuring seamless control, monitoring, and battery management functionalities. Key Features: • Main Node Integration with Raspberry Pi: • The central main node is seamlessly integrated with a Raspberry Pi 4, featuring a touchscreen interface. We have developed an intuitive GUI to simplify configuration and operation processes. • Field Node Configuration: Each field node, spaced at inte...

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    I'm looking to create a minimalist style Android application that will display short-answer questions and their responses from an Arduino board. Here's what I'm seeking in the ideal expert: - Strong background in Android development. - Prior experience with Arduino or similar microcontrollers. - Proficiency in creating minimalist user interfaces. - Understanding of how to integrate Arduino microcontrollers with Android applications. The application will need to accurately present the questions generated by the Arduino board and capture corresponding responses. Your key responsibilities will involve: - Developing a minimalist interface for the application. - Ensuring the seamless integration of Arduino with the application. - Implementing robust code for presenting short-a...

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    I am seeking a skilled Arduino engineers and developer to create a proof of concept (POC) prototype for an indoor environmental monitoring device. This project aims to integrate multiple sensors and IoT capabilities into a compact package that improves the way we understand and react to our indoor surroundings. This person must be in Australia to provide a demo of the working POC. **Features Required:** - LED indicators for various statuses - Moisture content sensor to prevent mold growth - IoT capability for remote monitoring and control - Temperature and humidity sensors for climate control - User interface with display and input options - Connectivity via NBIoT or LoRaWAN **Purpose:** The main objective is to develop a device that can help in effectively monitoring and managing ind...

    min $33 / hr
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    I have 1 ESP32 and 2 MPU6050 sensors. I am looking for someone to help me with the Arduino IDE so that when the 2 MPU6050 sensors are positioned “face-to-face” to each other, the blue light on the ESP32 turns on. (Please see the picture for more details) What I'm seeking: - Expertise in Arduino programming, specifically with experience in handling different types of sensors (temperature, humidity, etc.). - Proficiency in creating basic visual display outputs on screens connected to Arduino boards. - Capability to implement a straightforward and clean user interface for the display, presenting the sensor data numerically or in text form without overwhelming the user. - Knowledge in configuring and optimizing Arduino code for stable performance and accurate data reading and...

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    I'm in need of an experienced IoT electronics engineer who can design and build a Bluetooth LE enabled digital water level meter for measuring freshwater tank levels in real-time. Your main task scope is: 1. Use domestic grade float sensor switch for fresh water with upto 6 float switch sensors to detect water levels. 2. Use ESP32+BLE based hardware controller (with 2 AA/AAA batteries). Use power optimized and mesh networking modes 3. 2 LEDs to indicate error, power, scan and broadcast 4. Use simple BLE scanner mobile application to receive BLE GATT broadcast packets. 5. Frequency of broadcast depends on the rate of increase or decrease of water levels. Frequency will be from 1 min to 30 minutes 6. Demonstrate that packets are received real-time on mobile app Deliverables: 1. Wir...

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    Smart Residential Water Meter 3 days left
    VERIFIED

    I'm in need of an experienced IoT electronics engineer who can design and build a Bluetooth LE enabled digital water level meter for measuring freshwater tank levels in real-time. Your main task scope is: 1. Use domestic grade float sensor switch for fresh water with upto 6 float switch sensors to detect water levels. 2. Use ESP32+BLE based hardware controller (with 2 AA/AAA batteries). Use power optimized and mesh networking modes 3. 2 LEDs to indicate error, power, scan and broadcast 4. Use simple BLE scanner mobile application to receive BLE GATT broadcast packets. 5. Frequency of broadcast depends on the rate of increase or decrease of water levels. Frequency will be from 1 min to 30 minutes 6. Demonstrate that packets are received real-time on mobile app Deliverables: 1. Wirin...

    $91 (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.

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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

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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.

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    NFC-Enabled Inventory System 2 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....

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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...

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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: 1. Use an easy programming language, namely using the Arduino IDE to carry out this programming. In this way, use the Atmega2560 microcontroller. 2. The PCB must have between 10-12 24VDC digital inputs, 10-12 24VDC digital outputs, 3-4 analog inputs, 2 0-10V analog outputs, 1-2 4-20mA analog outputs. All with screw connectors (as in the image). 3. Interface for RS485 communication. 4. Interface for a touch screen display (where the RS485 communication data will be changed). This is all on the same PCB. In the end, I intend to have: - Electronic PCB design in DesignSpark file or c...

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    LED Control PIC Expert Needed 2 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. ...

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    Firmware Upgrade & Bug Fix 1 day 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...

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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.

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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.

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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.

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    Créer une application mobile qui permet d'afficher des questions et leurs reponses sur la carte arduino

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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!!

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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.

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