Microcontroller Jobs

I am looking for a specialist to design and implement a water level monitoring system specifically for the water tanks present within moving vehicles. The ultimate aim of this system is to ensure an adequate and consistent water availability via continuous monitoring. Key Features and Requirements: - ​​The system should provide visual alerts on a dashboard and in case of low water levels, alerts must be generated. - This will require a familiarity with employing appropriate sensors, embedded systems, microcontrollers storing data in cloud, LoRa WAN, SIM communication and designing intuitive user interfaces for non-technical personnel. Ideal Candidate: - Experience in the design and development of monitoring systems., industrial grade embedded system, cloud storage, LoRa communication, ...

I have three python codes in my raspberry pi which needs to be executed at the startup (when the pi is booted). one code involve USB camera, another codes is related to playing video via VLC media player and the third code is a counter that sends the data to a cloud. All the codes are working perfectly, they are even working when they are executed simultaneously, but the only thing is that the USB camera code is not working at the startup. If you want me to chat with you, start the bid with "pi" We have tried a lot of methods, but still no success, I believe it is because we are using raspberry pi 5, there are limited resources and libraries for it online. Please help me with this. Thank you.

You need to be at least 16 years old and reside in Latin America or Eastern Europe. ✻ NO EXPERIENCE REQUIRED ✻ You do not need any experience whatsoever, but you must be clever and eager to learn. No. I am *not* being charitable. I am being practical. ✻ PAYING YOU TO LEARN ✻ No. You aren't dreaming. I value intelligence and problem-solving ability over experience. I'd prefer to work with someone who is clever and learns quickly rather than someone experienced but is not very intelligent and/or does not solve problems scientifically. Would I hire an Isaac Newton or an Albert Einstein even if he had no programming experience? Of course I would. ✻ TESTS ✻ You must pass several difficult logic tests to work with me. The first logic test you complete for me will be an unpaid l...

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I'm seeking a skilled Arduino developer to create a project that involves converting spoken English words into text on an LCD screen. Key Requirements: - Implement speech recognition for English - Display the recognized speech on an LCD screen, word by word Ideal Skills: - Proficiency in Arduino Uno board - Experience with speech recognition on Arduino - Ability to integrate an LCD screen - Knowledge of English language processing This project is perfect for someone who has experience with Arduino and is passionate about developing innovative solutions. Please include any relevant project experience in your bid.

I'm seeking a skilled Linux developer to assist with customizing the boot loader on my Raspberry Pi 4 and Solid Run Cube devices. The primary goal of this customization is to enable dual boot functionality. I want the system to automatically choose the platform image I wish to boot into. Ideal Skills and Experience: - Proficient in Linux system development - Experience in customizing boot loaders on Raspberry Pi - Familiarity with dual boot setup - Strong understanding of SD card behavior on Raspberry Pi - Strong problem-solving and communication skills Your role in this project would involve: - Understanding the current boot setup on my Raspberry Pi 4 - Implementing a dual boot solution with a selection screen - Ensuring seamless transition and functionality between the...

I need an expert in hardware analysis who can assist in identifying a SOIC-8 flash memory chip within a printed circuit board. The central concern of this project is: • Identification of a low-capacity memory chip, up to 1MB. The ideal candidate should have: • Comprehensive knowledge and skills in hardware analysis. • Experience in identifying and differentiating SOIC-8 flash memory chips of varying capacity. • The ability to provide precise and effective results within a reasonable period. Your bid should include a complete analysis report, detailing your methods and confirming the identity of the memory chip. As part of the deliverables, please include tangible proof verifying the chip's capacity.

Looking for an experienced embedded systems developer to assist with bringing an existing prototype to market. More information will be provided on request but broadly speaking current prototype is based on a series of ESP32 modules using ESP-IDF. We're seeking a developer/engineer experienced in PCB design and firmware development on the ESP32 platform with particular experience on fine-grained optimisation of memory management.

I need an expert in Python and Arduino (C++) code. The main task is to correct the Arduino code I already have. Currently, I am sending in string containing 80 characters or so like (<4, 100, 30, 200, 15, 100, 15, 20, 10>), from Python to arduino, however arduino is receiving 0 as the values for the ending like like (<4, 100, 30, 200, 15, 100, 0, 0, 0>). In the serial monitor it does receive the correct values. Here's what the job requires: - Review and correct the current Arduino code - Arduino MUST receive the correct values sent from Python - Adequate understanding of Python as values are sent from Python - Ability to provide suggestions for improvements would be a plus Ideal skills and experience: - Strong proficiency in Python and Arduino (C++) code - Prior experi...

I'm looking for a professional programmer who specializes in IC programming, specifically for smoke detectors. Key Tasks Include: - Reading and writing IC data for smoke detectors. - Handling and operating microcontroller IC chips effectively. The ideal candidate should have: - Solid experience in IC programming. - In-depth knowledge of microcontroller IC chips. - An understanding of smoke detector systems is a plus. Knowing how to troubleshoot and debug chips will offer a huge advantage. Please respond with examples of related projects you've completed and your approach to tasks like this.

According to the attached diagram it is necessary to measure the electrical conductivity value with an ESP32 and via RS485 Modbus transfer the value to a Siemens S71200 PLC. In addition to the creation of the software, the project must be tested online with the PLC and the acquisition system as per the diagram. The communication parameters are 9600,N,8,1 and the slave is number 2

I'm in urgent need of an expert to help with Arduino and SNMP integration for my IoT project. Key Requirements: - Immediate Assistance: I require someone who can start work right away and assist me in getting this integration up and running as soon as possible. - Arduino Expertise: You must be well-versed in programming and working with Arduino boards. Please provide details of your experience working with Arduino and integrating SNMP for IoT in your proposal. Prior experience with remote control and configuration of Arduino devices is highly desirable.

I'm looking for a skilled professional to simulate & test of my microcontroller based hardware design, using proteus and test its performance. Also, if there is any performance bugs, need to correct it and also, build pcb prototype and physically test the performance

I'm in search of a skilled developer who can help me design a Battery Management System (BMS) for Lithium-ion batteries. The primary functions of the BMS will be to monitor the health of the battery, control its charging and discharging, and ensure its safety. Key Requirements: - Experience in developing Battery Management Systems - Proficiency in Bluetooth communication protocols - Understands the specific needs of Lithium-ion batteries and how to optimize their performance - Capable of integrating safety features into the BMS to prevent incidents like overcharging or overheating The successful candidate will need to be able to work closely with me to understand the specific requirements of the BMS and design a system that meets these needs. The ability to clearly communicate compl...

I'm looking for a proficient Arduino engineer to integrate and build a project revolving around proximity sensor integration. This project is centered around a 6 sensor counter setup. The ideal skills and experience for this job would include: -Strong knowledge in Arduino -Experience in sensor integration, specifically proximity sensors -Understanding of data logging and its applications Responsibilities will include: -Programming the Arduino to reflect sensor integration -Developing a setup to add 6 proximity sensors together into one counter -Assuring that data logging works optimally with the integrated sensors If you possess these skills and believe in delivering quality work, please submit your proposal. I look forward to working with you.

I need an experienced firmware engineer to work with the Nordic nRF52833 chip and handle Bluetooth Low Energy (BLE) functionality. Key Responsibilities: - Develop and implement BLE functionality for data transmission to smartphones - Advanced PCB design skills are also a must for this project Ideal Skills and Experience: - Proficiency in Nordic nRF52833, BLE development, and PCB designing - A proven track record of implementing successful BLE capabilities for data transmission to smartphones - PCB designing experience at an advanced level Please note that this project requires a deep understanding of both firmware development and PCB design. Experience with similar projects will be considered a significant advantage. Your ability to deliver high-quality and reliable code is paramount. ...

I'm in need of a proficient and experienced electrical engineer to design an analog audio circuit for mixing multi-channel signals sourced from line level feeds. This will require expertise in designing robust and low-noise analog audio circuits capable of dealing effectively with multiple audio inputs. Ideal Skills and Experience: • Proficiency in electronic circuit design, specifically analog audio circuits. • Experience with handling multi-channel signals. • Familiarity with line level audio signal processing and mixing. We need an engineer with deep experience in high-end analog circuit design using low noise operational amplifiers. We will provide basic diagrams and objectives. The project involves high quality op amps and line drivers for an audio routing proje...

I am currently seeking an Arduino expert to enhance a project focused on indoor people detection. The primary objective involves refining a photoelectric sensor system. Key project requirements are as follows: 1. Specific functionality: The system must accurately detect and identify individuals within an indoor environment. 2. Sensor sensitivity: The sensors should effectively detect people while minimizing false positives caused by small, irrelevant objects. The ideal candidate for this project should possess: Extensive experience in Arduino-based development, particularly with photoelectric sensors. Proficiency in testing the system for accurate people detection and troubleshooting any potential issues. Knowledge of human body detection algorithms and sensor tuning would be highly ad...

I'm in need of a circuit that can regulate voltage to 6VDC, with a max current of 500mA. This circuit will be powering LED lights and should be compatible with an input voltage range of 12-24VDC. The circuit should also account for the presence of 4 diodes. - 4 Diodes - forward V - 8V limit to 7V max - max operating current 500mV - inline switch to turn any of the diodes in circuit on/off - need an LED in line for each Diode if active or blown ( when diode fails it is shorted 1ohm) Key requirements and considerations include: - Voltage regulation: The primary functionality of the circuit is to regulate input voltage to 6VDC for optimal LED power. - Current capacity: The circuit should handle a maximum current of 500mA, ensuring the LED lights operate efficiently. - Input voltage ...

I'm looking for a highly experienced Flutter developer to integrate Bluetooth Low Energy (BLE) scanning and WiFi configurations into a cross-platform mobile application. Requirements: - Cross-platform compatibility: The application should operate seamlessly on both Android and iOS. - BLE Functionality: The app should be able to scan for and connect to BLE devices, prioritizing a specific custom BLE device. - WiFi Configurations: The developer should also build functionalities that will enable the app to connect and configure WiFi. Ideal Skills and Experiences: - An expert level of knowledge and practical experience with the Flutter framework is critical for this role. - A deep understanding of utilizing BLE technologies, particularly with custom BLE devices. - Proven experi...

As a project manager requiring embedded software engineering, I need qualified candidates to handle firmware development, device driver programming, as well as embedded systems testing and debugging. The target platform is a microcontroller and the primarily language utilized will be C. Ideal Skills and Experience: - Proficient with C programming language - Extensive experience and understanding of firmware development - Competence in device driver programming - Proven background in embedded systems troubleshooting and debugging - Familiar with microcontroller platform

I would like to hire a developer that is familiar with coding C++ on an Arduino platform. Project Description: - Control a poker game via addressable LED light strips & buttons for each player, including the dealer. I have a flow chart built for the functionality I am looking for (see attached pdf) and the effects I want to happen once certain conditions/states have been met. Hardware details: - W2812B LED Strip - Individually Addressable 16.4ft, 60 pixels/m - DC5V - AC100-240V to DC5V/30A Power Supply - Max 150W - Arduino Mega 2560 R3 - (10) Push-Button Switches I would ideally like this to be completed within the next few weeks. We can lower the complexity if that will make it more feasible / less buggy. Thank you!

I'm looking for a skilled individual who can create a sketch for a rather specific and interesting project. Key Requirements: - Utilize a crash sensor micro 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 ac...

I'm looking for an experienced IoT developer who can create an Arduino-based system that triggers actions or alerts based on scraped text data from a website. Key Responsibilities: - Develop a system using Arduino, Raspberry Pi, and ESP32 microcontroller - Implement website scraping functionality to extract specific text content - Design a mechanism to trigger predefined actions or alerts based on the scraped data Ideal Experience: - Proficient in Arduino programming - Familiarity with ESP32 microcontroller and Raspberry Pi - Experience with website scraping techniques - Ability to integrate scraped data to trigger actions or alerts on an IoT system Please note that my preferred programming language wasn't specified. Feel free to suggest the most appropriate language for this...

I'm looking for a highly experienced Flutter developer to integrate Bluetooth Low Energy (BLE) scanning and WiFi configurations into a cross-platform mobile application. Requirements: - Cross-platform compatibility: The application should operate seamlessly on both Android and iOS. - BLE Functionality: The app should be able to scan for and connect to BLE devices, prioritizing a specific custom BLE device. - WiFi Configurations: The developer should also build functionalities that will enable the app to connect and configure WiFi. Ideal Skills and Experiences: - An expert level of knowledge and practical experience with the Flutter framework is critical for this role. - A deep understanding of utilizing BLE technologies, particularly with custom BLE devices. - Proven experi...

I'm looking for a skilled PLC programmer to help set up a labeling system in our plant that counts and labels finished products. Key Responsibilities: - Program an Omron Nx102-9020 PLC to count finished products accurately - Configure the PLC to automatically print labels for the counted items Ideal Skills and Experience: - Proficiency with Omron PLC programming - Experience in industrial automation and control systems - Knowledge of labeling systems and their integration with PLCs - Strong problem-solving and troubleshooting skills - Attention to detail and precision in system setup.

I'm in need of an experienced Arduino 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 and servo motor by and e bike throttle bar

I need a compact and efficient RFID decoding device that can effectively handle access control duties. We have multiple RFID 1k cards which are encrypted. We want to decrypt the card and should be able to edit the data in it Key Requirements: - **RFID Support**: The device should be able to work seamlessly with Low Frequency (LF) RFID tags. Such as mifare 1k. RFID 1k card - **Wi-Fi Connectivity**: if required it should have Wi-Fi capabilities to enable remote access and data management. Ideal Freelancer: - Proficient in RFID technology. - Experienced with access control systems. - Skilled in hardware development and connectivity. - Ability to create a compact and user-friendly device.

As I'm venturing into a solar-powered USB module in my circuit design utilizing a SAMD51 microcontroller, I'm in need of expert assistance to address some issues with my current PCB design. I have the existing design and fab files at hand, but the project has not achieved its full functionality. - Key Issues: The circuit is experiencing power supply issues presumed to stem from the Voltage regulator, compatibility issues with the microcontroller, and an unresponsive USB output. These are the primary targets for debugging and solution creation. - Ideal Expertise: I am seeking an experienced engineer knowledgeable in PCB design, solar power modules, and the SAMD51 microcontroller. The individual must have a track record of troubleshooting and resolving power supply issues, micro...

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I am in need of an EMV card reader PCB with Bluetooth capabilities, expressly for the logging of data. Here are the specifications for the task: - Main Purpose: The core purpose of the EMV card reader is Data Logging. - Data Required: The data to be logged includes the Card number and Transaction Details, the Time and location of card usage, plus the Type of card and Cardholder's name. - Storage: The logged data should be stored on the device. For this task, excellent knowledge of PCB design and Bluetooth technology is key, with proven experience in dealing with EMV card readers, along with knowledge of secure local data storage solutions. Familiarity with data privacy regulations is also advantageous, considering the sensitive nature of some of the data to be logged.

I'm looking for a skilled software developer to create a comprehensive control system for my greenhouse environment. Key Functionalities: - Temperature, humidity, light, fan, CO2, and irrigation control - VPD, nutrient dosing, and pH control User Interface: - I'm interested in a web-based interface for easy access and usage Additional Requirement: - Remote monitoring and control capabilities are a must. Ideal Skills: - Experience in developing similar systems - Proficiency in web-based software development - Knowledge of greenhouse environmental requirements Please provide your relevant experience and how you plan to address the functionalities I've outlined.

I'm seeking a skilled Arduino developer for a basic level robotics project. The primary tasks for this role will include coding and troubleshooting hardware. Key requirements: - Skilled in writing Arduino code - Able to troubleshoot hardware issues - Experience in basic robotics projects The purpose of the project is to create a basic level robotics system using Arduino, which involves simple movements and operations. The ideal candidate will have a good understanding of robotics, and experience in designing circuits would be an advantage.

I'm experiencing an issue with my ESP32 software, written in C++, where it consistently hangs on the first screen. I need a developer to dissect and fix the root cause of this problem. The ESP32 runs a program that allows users to control levels of a gas coming through a tube. I mixes 100% CO2 with room air. When the machine starts up it goes through a calibration process and gives a message saying "Don't put on the Mask". After the calibration process then it allows user to adjust the time/session duration. After editing some code it is getting stuck on the "Don't Put on the Mask" message during calibration and not getting to the next screen. When my other developer compiles the code on his computer it works fine on the same device. However when I co...

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I need a highly competent developer experienced in RS232 and RJ45 Ethernet for a specialized project. The principal purpose of this project is to convert serial data to Ethernet data. This data conversion is specifically tailored for Industrial control systems. Key competencies and preferences: - Expertise in RS232 and RJ45 Ethernet. - Familiarity with TCP/IP and Modbus TCP because these are the communication protocols the server host needs to support. - A strong background in industrial control systems development. The desired outcome of this project is a seamless data dialogue between devices via Ethernet. Can't wait for your input.

Hello, For a new project I need a IOT sensor that will be installed on a device that rotates. I need to know the amount of rotations so I can service the device before it will break down. My device is not always connected to WiFi/Internet. I would like to see the amount of rotations on a remote location but I don't have to see them realtime. One update per day or per week is enough, don't know it makes a difference, but if so we can reduce the amount of data transmissions. 12V is available Pulses are count with a rotary encoder and based on the device type I have to set the pulse count per revolution. The name of the device must be adjustable so I know which IOT is connected to which device. Please let me know your thoughts. Kind regards,

I'm in need of a custom program designed for a Raspberry Pi Zero that can control 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. - Extens...

The goal of this project is using Vivado tools to enable a hardware implementation on an FPGA board. The key requirement from the FPGA board is high computational speed. Therefore, proficiency in Verilog language is preferred as I intend to implement the NTT algorithm. I am looking for a developer who is experienced with FPGA boards and Vivado tools. The chosen freelancer should also have the ability to maximize computing capabilities of the board for the said implementation.

I have been developing a arduino type hmi using a nextion touch screen, arduino mega, arduino nano esp32 for wireless control and a waveshare esp32 touchscreen for the remote. I have written all the code but am needing help figuring out why the commands are not working as they should.

I am in need of a skilled Arduino programmer, with experience specifically in robotics programming for educational purposes. The project has an intermediate level of complexity, so a solid understanding and the ability to problem-solve and code efficiently will be crucial. Ideal Skills: - Arduino programming - Robotics programming - Educators and student-user centered design Given the nature of the end-users, it would be highly beneficial if the freelancer also has experience in creating user-friendly interfaces and can foresee potential challenges that educators or students may face. Your technical expertise will be expected to translate into an accessible and engaging project that fits the educational context.

I'm seeking an experienced Arduino developer with a strong background in SNMP integration to assist with my IoT project. While I haven't detailed the specific tasks for the Arduino sketch, I need someone who is able to create a comprehensive program that meets the needs of my project.

I am seeking talented freelancers to develop an Arduino UNO bluetooth car for my personal hobby project. It requires expertise in Arduino programming and physical assembly of the car kit. The specific features I want are: - Directional movement: The car should smoothly move forward, backward, left, and right via remote bluetooth controls. - Speed control: The speed of the car should be adjustable. The ideal size I'm seeking for the car is medium, neither too compact nor too large. Experience with remote control vehicles and Arduino, as well as understanding of bluetooth technology, will be a plus for this project. I am looking forward to your innovative design submissions and technical solutions.

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...

We are looking for a professional with skill and experience in C programming language in embedded code for RF transceiver modules, particularly experienced with NTR09RSL8 and NTR09CSL8 868MHz LoRa RF Transceiver modules. Your task is to develop and test code to accurately depict their abilities and limitations, we expect the final work to be thoroughly tested, well-commented, and ready for deployment. Here below are the basic requirements; 1- SX1262 drivers should be used (from Semtech) 2- Test Code (for the flowchart/detailed requirements which will be provided to engaged candidate) should be tested in Nucleo-L432KC or Nucleo-L476RG 3- Deliverable is the Test Code Ideal Skills and Experience: - Proficiency in radio frequency transceiver modules particularly NTR09RSL8 and NTR09CSL8 - E...

I am currently in need of a seasoned PLC programmer for a process control project. I have a Panasonic Delta PLC and would prefer to make use of Ladder Logic for the programming language. Key Details: - The core of this project is process control. - You'll be working with Panasonic Delta PLC. Ideal Skills and Experience: - Expertise in PLC Programming - Familiarity with Panasonic Delta PLCs - Proficiency in Ladder Logic - Background in process control The freelancer with these specific skills and experiences will be given top consideration. The project is set to begin immediately upon finding a suitable candidate.

I'm in need of a developer with specific experience in creating a serial port driver (RS232) for a Windows operating system. The key requirements include: - The driver needs to be developed using the C programming language. Profound knowledge of C, Windows APIs and asynchronous serial communication (RS232) is essential. - As part of the project, a communication dashboard needs to be created too. The dashboard must have the capacity to track live data, support multiple connections and should incorporate a customizable interface. Therefore, seeking candidates with strong skills in GUI development, database management and networking too. Looking forward to discussing this project with interested and capable applicants.

I'm in need of an embedded engineer who can help me ensure the accuracy of my Doppler radar system. - I require the successful candidate to conduct tests in an outdoor environment. - The radar should be able to accurately measure the speed of moving objects. - The project specifically involves the calibration of the radar with continuous wave signals. The ideal candidate for this project would have experience in radar systems, Doppler radar calibration, and embedded systems C and Microcontrollers. Prior field testing experience would be a huge plus.

I'm looking for a skilled professional who can design a hydraulic lift portable luggage ramp with a weight capacity of up to 200 lbs, intended for indoor use. This design will incorporate an electrical start stop button equipped with LED indicator lights, adjustable speed control, and an emergency stop feature. Key Features: - capable to be mounted over stairs to get luggage from bottom to top or reverse luggage from top to bottom of stairs - Weight Capacity: The ramp should be able to handle loads up to 200 lbs, ensuring it's sturdy and reliable for everyday use. - Indoor Use: This device will be used in a home environment, so it should be compact, easy to maneuver, and suitable for indoor use. - Electrical Start Stop Button: This feature is crucial for user control and safety...

PCB design for a scale with a 4G module to send results to WebServer using HTTP Post. Circuit is intended to be powered from battery with a support of solar panel. MCU will STM32 and 4G GSM module will using SIM7000