Arduino raspberry pi jobs

Develop a Bash script that prints user-provided PDFs at their exact dimensions on laser printers with adjustable trays, using CUPS on a Raspberry Pi 3b+ (Raspbian/Debian 12). Requirements Deliverables: A Bash script () that: Accepts a PDF file and printer name as arguments. Dynamically detects the PDF’s dimensions (in mm). Configures CUPS temporarily (if needed) and prints the PDF 1:1 without scaling. Example command: bash Copy ./ -p "Printer_Name" -f "" Test PDFs: I will provide 3 PDFs with unique sizes (e.g., 132x96 mm, 340x110 mm, 80x50 mm). Technical Constraints: Use only command-line tools (lp, pdfinfo, awk). No persistent CUPS configuration changes (e.g., avoid lpadmin if possible). Handle printers with hard-coded margins (content mu...

...working prototype -Recommend and source appropriate hardware components -Build AI-driven software for real-time data processing -Ensure smooth integration of hardware and software -Optimize for low latency, high accuracy, and real-time performance Preferred Skills: -Experience with computer vision (OpenCV, TensorFlow, YOLO, etc.) -Proficiency in Python, C++, or embedded programming -Knowledge of Raspberry Pi, Jetson Nano, or custom PCB design -Prior experience working on automotive or real-time AI projects Confidentiality: Before discussing project details, you must sign an NDA. Serious applicants only....

I need a robust C application that displays a mosaic of 4 RTSP video streams in a single window. The program should immediately open the window with the mosaic layout, begin connecting to the RTSP streams, and every 60 seconds check if each stream is active—reconnecting any inactive streams. The final source code must compile and run reliably on both Ubuntu x64 and Raspberry Pi.

I am seeking a seasoned web developer with a strong background in hardware integration and data manipulation for a specific project. The main objective is to connect a touchscreen tablet with an interactive interface to a program based on CSV files, ensuring smooth and efficient communication between both. Key Requirements: - Proven experience in develo...Requirements: - Proven experience in developing touchscreen interfaces (HTML, CSS, JavaScript). - Proficiency in the React frontend framework. - Mastery of the Python (Flask/Django) backend language. - Extensive experience in manipulating CSV files and developing APIs. - Knowledge about device communication via REST API. - Prior experience with tablet (Android/iOS) integration or specific hardware (Raspberry Pi, embedded sy...

...(BMS) and the motor controller. Key Requirements: - The device can be based on either ESP or Arduino platforms. - It should communicate data through both cable and Bluetooth. - A web interface should be used to display key parameters such as voltage, current, and others, along with alerts and notifications. - The communication protocol should be CAN based - Windows Based Software which can be installed on any PC - Data logging can be done in two ways :Automatic (after every 10Sec) or at the press of a button - Data can be saved in excel format - These readings can. be saved by the name of the Student, Roll No, Branch, Name of lab Ideal Skills and Experience: - Proficiency in ESP and Arduino programming. - Experience with electric vehicle systems, specificall...

I'm in need of an expert who can help me program a Raspberry Pi to work with an RFID system. The primary purpose of this RFID system is for access control, so the programming should be tailored to this use. Key requirements: - Expertise in RFID systems - Proficient in programming Raspberry Pi - Experience with access control systems The Raspberry Pi needs to be programmed to function as an RFID scanner. This will primarily involve barcode scanning, so the ideal candidate will have experience with this type of functionality. Skills and experience that would be advantageous: - Proficient in Python or similar programming languages suitable for Raspberry Pi - Prior experience programming RFID systems for access control - Familiar...

Creating high-quality pool billiard simulation in Gazebo with advanced features. The simulation will be include a highly detailed pool table, realistic ball physics, and an interactive features like integratio...engineer with more than 3 years of experience in ROS and Al. I have successfully completed numerous open-source projects using ROS, including three differential drive robots and one UUV robot. My expertise lies in various robotics concepts such as navigation, manipulation, design, control, sensing, and actuating. My Top Skills: 1. Robotics Frameworks: ROS1, ROS2,PX4 2. Embedded Systems: Raspberry PI, Arduino 3. CAD: SolidWorks, NX, Blender 4. Simulation: Gazebo, Webots 5. Database: MySQL 6. Programming: Python, C++, PHP 7. Library: OpenCV 8. Al Framework: Ten...

I'm looking for an intermediate-level video tutorial on how to implement a traffic light control system using an induction loop and an Arduino. The guide should cover: - Utilizing an Arduino Uno - Implementing an Inductive loop sensor - Controlling LED traffic lights This video should be clear, concise, and demonstrate each step in the process. It should be suitable for someone with a basic understanding of Arduino but looking to advance their skills. The ideal freelancer for this project should have experience in creating instructional video content and a strong understanding of Arduino and traffic control systems.

...accelerometers, gyroscopes, and magnetometers. 3. Solar Position Algorithm: Calculates the sun's position (azimuth and elevation) at any given time and location using GPS data. Algorithms like the Solar Position Algorithm (SPA) or similar are used. 4. Control System: A microcontroller or embedded system (e.g., Arduino, Raspberry Pi, or a dedicated PLC) processes data from the GPS and IMU. Computes the optimal panel orientation based on the sun's position and the vehicle's orientation. 5. Actuators: Motors or servos adjust the solar panel's tilt (pitch) and rotation (azimuth) to align wit...

...programming, specifically with STM32 and Arduino, to help with firmware development, debugging existing code, and designing hardware interfaces. This project will also involve significant hardware design work, so local candidates from Hyderabad, India, or those willing to travel, would be preferred. Key Responsibilities: - Write firmware for both STM32 and Arduino microcontrollers. - Debug existing code to ensure reliable performance. - Design hardware interfaces for various components. The ideal candidate will have: - Proven experience with STM32 and Arduino microcontrollers. - Strong skills in firmware development and code debugging. - Experience designing hardware interfaces. In addition to programming, this project will involve working with Arduino, sp...

Looking for a skilled engineer to help design an Arduino-based solar tracker with GPS. The primary task is to ensure the system can adjust the solar panel orientation in real-time to maximize solar energy capture. Key Requirements: - Design a system that allows for real-time solar panel orientation tracking. - Ability to integrate with an Arduino board and a GPS module. - Knowledge of solar energy systems and their tracking requirements. - An understanding of the capabilities and limitations of the components at hand (Arduino board and GPS module). The ideal candidate will have previous experience with similar projects and a deep understanding of Arduino programming and solar tracking systems.

...artwork. This project revolves around a wine art graphic that will incorporate our logo and the following text: "Sweet Red Sangria" "Our House blended Sweet Red Sangria that is a top seller at the Winery. This is the same Sangria recipe that has been blended at John Christ Winery since 1946. We have never bottled this offering. Cheers to the first Sangria Bottles! Our Sangria is a blend of Raspberry, Blackberry, and Peach fruit wines for a tropical refreshing burst of fresh fruit flavor. We then blend in a small amount of our house Cabernet Sauvignon to balance with a mildly dry cherry and black currant notes." Attached is the rustic vintage label we use with this bottle. We want the same background and font used in this. Key Details: - Design Style: Th...

...Vibration Analysis) Job Summary: We are seeking a Python Developer experienced in data acquisition systems (DAQ) and GUI development to design and implement a vibration analysis tool. The role involves interfacing an MCC 172 DAQ HAT with a Raspberry Pi, acquiring vibration signals from a 10mV/g accelerometer, and displaying real-time acceleration, velocity, displacement, and frequency spectrum. Key Responsibilities: Develop a GUI application using PyQt5 for real-time visualization and processing of vibration data. Interface MCC 172 DAQ HAT with Raspberry Pi to acquire acceleration data. Implement signal processing algorithms to compute velocity, displacement, and frequency spectrum. Integrate waveform display and FFT spectrum analysis. Develop features such ...

I'm seeking a skilled programmer to write an Arduino code for a BQ25887 Charger 5 click USB charging IC board. The code should manage the initiation of charging for two Lion batteries, ensure cell balancing, and support 5V 3A charging from any standard adapter. I am using a MIKROE Balancer 5 click. () The following features are required: 1. *Charging Control Setup:* - Configure I2C communication with the BQ25887 IC and set parameters for automatic charging initiation. - Define maximum voltage (4.2V per cell) and current (1A per cell) limits. 2. *Temperature-Based Charging Adjustment:* - Monitor the temperature using the NTC pin and adjust the charge current accordingly. - Implement safe temperature thresholds to reduce or

I'm looking for a skilled professional with experience in configuring Raspberry Pi as an IoT device. The specific task is to set up the device to connect to an RTL-SDR dongle, a Cellular modem to allow internet access through a sim card, and be battery powered. Key Responsibilities: - Configure the Raspberry Pi to function as an IoT device linking to an RTL-SDR system - Implement real-time frequency scanning capabilities Ideal Skills: - Experience with Raspberry Pi configuration - Familiarity with IoT systems - Knowledge of RTL-SDR systems - Skills in enabling real-time frequency scanning The device would need to have battery capacity of at least 5 days (hopefully 10 days), and turn on once a day to run a program to scan for a specific VHF...

I'm seeking a skilled freelancer to customize my Raspberry Pi 5 and Hailo setup for various AI and machine learning applications. The main uses will be computer vision tasks, natural language processing, and data analysis and prediction to work with my existing Key Requirements: - Setup and configuration of Raspberry Pi 5 & Hailo - Customization for AI and machine learning tasks - Proficient in working with computer vision tasks, natural language processing, and data analysis - Proficiency in Docker for deployment. - Previous experience with object detection vision AI apps. - Knowledge of working with live camera feeds. - Ability to ensure seamless integration with a USB webcam, IP camera, and Raspi Cam - user and tool database interface for tool chec...

...microcontroller and implementing the Modbus protocol. The task involves writing code for the ESP32 that can effectively interface with an energy meter. The code should accurately and efficiently read and process data from the meter. Key Responsibilities: - Developing code in the Arduino IDE to control the ESP32. - Implementing Modbus protocol for communication with the energy meter. - Ensuring accurate data handling and communication. Ideal Skills & Experience: - Extensive experience with ESP32 programming, specifically in the Arduino IDE. - Strong understanding and previous experience with Modbus protocol. - Experience with data handling from energy meters is a plus. Please provide relevant examples of your previous projects with your application. Note that the spe...

...an external power supply (230V) and remains active at all times, continuously listening for Meshtastic messages. Every set interval, it broadcasts a unique identifier. The basestation functions as a regular Meshtastic node, receiving and forwarding messages. If equipped with a CAN controller, it forwards received messages from/to the CAN bus. Ethernet-to-CAN Bus Converter A device like a Raspberry Pi 4 with a Waveshare CAN-HAT can serve as the converter. Its function is to transmit every message received on the CAN bus via Ethernet to the MQTT server and vice versa. MQTT Server The MQTT server acts as a central storage hub for Meshtastic messages and enables further processing. Webserver GUI The web-based GUI serves as a prototype for visualizing emergency events....

I'm looking for a developer who can create a Swiss railway clock that can be overlaid on a screen, controlled via a Mini PC or Raspberry Pi. This clock is part of a home display and should come with user-selectable options and customizations. Key Requirements: - The clock should allow users to change clock face logos. - The clock should enable users to select gongs at certain times. - The clock should provide optional sounds, including user-uploaded MP3 files. - The clock should offer a changeable clock background color. - The clock should allow users to adjust the size of the clock display. - The clock should have options for setting different timezones. - The clock should include an alarm feature with customizable sounds. - The clock should offer multiple pre-set clo...

...PCB that integrates an Arduino Nano, an L293D motor driver, and connectivity for additional components like servo motors, an ultrasonic sensor, and infrared sensors. The PCB should be compact, efficient, and optimized for easy assembly. SAMPLE layout design attached ( resistor, capacitor and voltage controllers to be added as required ) Project Requirements: Microcontroller: Arduino Nano (ATmega328P) Motor Driver: L293D (Dual H-Bridge) for controlling two DC motors Servo Motor Control: Two male header pins for connecting two servo motors Powered by 5V from the Arduino or external power Sensor Connectivity: One female header (4 pins) for an ultrasonic sensor (HC-SR04) Two male header pins for IR sensors (typically 3-pin each: VCC, GND, OUT) Power Supply: 5V for ...

...in circuit board design - Expertise in Pic chip processing - Familiarity with micro circuit boards - Proficiency in handling circuit boards for data signals from Pic We had a board that had the effect we are interested in, but we ran out. We are making new stock and we want to modify a few things about it. I have attached an image of our out of stock board. We have the code already, it's in Arduino C but need to be coded to the pic we select. We are looking Pic12F675 at but are open to your suggestions. We need 3 outputs to LEDs with special effects and 1 output that bypasses the circuit where solid LEDs can be attached. There will be 1 input from power and an input from the Rheostat to adjust speed. Here is what it does: Please provide examples of your

I'm looking for an experienced engineer who can design and implement a servo driver using Raspberry Pi and RS485 for controlling automated assembly lines. The control method for this project will be automatic, so expertise in programming and automation is crucial. Key Requirements: - Design and implement a servo driver suitable for automated assembly lines. - Use Raspberry Pi and RS485 as the main components. - Ensure the system supports automatic control. Ideal Skills: - Extensive knowledge in servo driver design. - Proficiency in Raspberry Pi and RS485. - Strong background in automation and programming.

I'm facing performance issues with my Arduino server-client application. It currently only processes and sends information to the phone once, instead of looping continuously. Ideal skills and experience for the job: - Expertise in Arduino programming - Experience troubleshooting performance issues - Knowledge of server-client architecture - Able to optimize for speed and scalability - Strong problem-solving skills The main performance issue is the protocol for looping the client data in the app. The application currently uses the WebSocket protocol for server-client communication. The main optimization goal is efficiently reloading new data and maintaining the connection. Please note that there are other constraints to consider: none. Please account for changes on t...

I need to transmit simultaneously two video and audio streams from two Raspberry Pis to the Internet, using the same Internet connection. For more details, read the attached word file. UV4L Preferably you should use Janus Gateway on a PC with Ubuntu and UV4L on two Raspberry Pis.

I'm seeking an experienced embedded circuit programmer to develop a microcontroller-based system for interfacing with motion sensors. Key Requirements: - Develop a microcontroller-based system. - Integrate with motion sensors. - Experience in sensor interfacing is crucial. - Knowledge of embedded programming is essential. - Ability to process sensor...Requirements: - Develop a microcontroller-based system. - Integrate with motion sensors. - Experience in sensor interfacing is crucial. - Knowledge of embedded programming is essential. - Ability to process sensor data in real time. An understanding of how to effectively program, interface and communicate with motion sensors is vital for the success of this project. The system should be developed using Arduino as the microcontr...

...method to trigger an external alarm. Preferably, the hardware should support monitor mode to detect probe requests. Software Development: Write a program that continuously scans for new WiFi clients (devices that appear in range). The software should log detected devices and trigger an alarm output when a new device appears. Ideally, the program should run on a low-power embedded device (e.g., Raspberry Pi, OpenWRT router, or another IoT solution). Optionally, a web-based or command-line interface to configure detection settings and view logs. Additional Features (Optional): Web-based dashboard to monitor detected devices. Integration with MQTT, SMS, or Email alerts. Filtering options to ignore known devices. Ideal Candidate: Experience with WiFi packet analysis (e.g., m...

I need a prototype developed on a Raspberry Pi microcontroller. The project involves using a SIM800L module to upload SMS to a MySQL database. Key aspects of the project: - Implement a microcontroller and SIM card controller setup to capture and send SMS data to a MySQL database. - Utilize a Raspberry Pi as the main microcontroller platform. - Employ a SIM800L module for SIM card connectivity. - Use MySQL as the database to store the SMS data. The ideal candidate for this project should have: - Proficiency in working with Raspberry Pi microcontrollers. - Experience with SIM800L modules. - Strong skills in MySQL database management. - Capability to develop and demonstrate a functional prototype.

I need a seasoned 3D designer who can create a model for a prototype that I will 3D print. I have a Raspberry Pi and some antennas that need to be housed in a 3D-printed enclosure. I have a Creality Ender CR-10 printer, but have little experience setting it up and using it. I need a designer and consultant who can design the needed enclosure based on the microcomputer components specification, help walk me through actually printing it on my 3D printer step by step, and recommend appropriate materials as needed. The design does not need to be completed on any specific software. Key Requirements: - Expertise in 3D design software - Proven experience in creating prototypes for function testing - Understanding of 3D printing processes and materials - Willing to teach using a Cre...

I'm looking for an expert in Arduino projects to help me create a fun demonstration locking system. The project involves: - 3x Adafruit rotary encoders over i2c - 1x 20x4 LCD over i2c - 2x LED outputs The rotary encoders will serve as the main user input for the locking system. The LCD will provide feedback for user inputs, and the LED outputs will display the system status. Ideal candidates for this project should have extensive experience with Arduino, rotary encoders, LCD displays and LED outputs. An understanding of I2C communication protocol is crucial. Please include in your proposal examples of similar projects you have completed. The LED outputs will show the status of the locking system. Power supply for the system will be battery-operated.

I need modifications to my existing Raspberry Pi program. It's currently set up to count physical objects using an infrared sensor. The program should be able to: - Count items: The current program needs to be adjusted to properly tally the physical objects being detected by the sensor. - Measure time between items: I want the program to also record the time intervals between the detection of these objects. Ideal Skills and Experience: - Proficiency in Python, as well as experience with Raspberry Pi programming. - Familiarity with working with infrared sensors. - Previous experience with object counting and time measurement programming.

I'm seeking an expert in Arduino programming and web data extraction to create a phone system that can pull text data from a 3rd party website in real-time. The extracted data does not need to be stored on the home server; the focus is purely on the extraction process itself. Ideal Skills and Experience: - Proficiency in Arduino programming, particularly in using it as a Human Interface Device (HID) - Experience in real-time web data extraction - Knowledge of setting up and working with a home server - Ability to work with and extract text data from a 3rd party website - Telephony/VoIP Expertise: Experience with services like Twilio, Asterisk, or similar. - Programming: Knowledge of Python, Node.js, or similar languages to integrate the phone system with the server. - ...

I'm looking for a professional to set up a remote desktop on a ...of the PC except for access via Anydesk Deliverables; Actual setup, files, ui and scripts Please no chat. Send me your proposal, including deliverables and timeline. remoteShow Desktop/ RPI-connect Tmux and port-forwarding is necessary Pi tools: Quickly and easily build customized exactly as-you-want SSDs/SD Cards: Easily run and manage your network's DHCP/DNS servers on a Pi: Easy and secure IPSEC/IKEV2 VPN installer/manager: Lightweight Virtual VNC Config: I got codes bash-script etc. Cloulflare zeroTrus is preferred

I need an embedded device programmer to develop an edge device standalone hub for health/home automation. This will be an embedded device programmed to function as a central ...necessary security measures using knowledge of communication and encryption protocols. Ideal Skills and Experience: - Extensive experience with programming embedded devices, particularly edge devices and Raspberry Pi. - Proficient in Debian Linux and can navigate complex programming tasks. - In-depth understanding of various communication and encryption protocols. - Proven experience with MQTT and other home automation-related communication protocols. - Familiarity with NFC, Bluetooth, and their application in home automation. - Web management - Familiarity with embedded hardware—Ras...

Need to develop a device to monitor data from a weapper machine.

...ESP32. This code is primarily designed for controlling a serial device called Valentine 1 radar detector. Key Requirements: - Modify existing code from the provided GitHub repository [] to work with ESP32. - Enhance compatibility with Arduino IDE 2.x if possible. - Assist with the handling of serial packets. - Implementation of UART and rs232 communication protocols. The ideal freelancer for this project would have: - Extensive experience with both AVR ATMega 2560 and ESP32 microcontrollers. - Proficiency in Arduino IDE, particularly the 2.x version. - Strong background in working with serial devices. - Deep understanding of the UART and rs232 communication protocols. Please refer to the attached Extended Serial Protocol User’s Guide, which was used to create the...

I'm looking for someone to code a simple Arduino for me. The project involves: - Monitoring motor temperature and humidity - Motor control - Using a proximity sensor - Develop a simple user interface for displaying sensor data. - Enable remote monitoring via Wi-Fi or Bluetooth. The ideal freelancer for this project should be proficient in Arduino programming and have experience with motor control and sensor integration. The project will involve programming for a stepper motor. The user interface will use an LCD display for showing sensor data. Please include directional control for the motor operation. The project will enable remote monitoring via Wi-Fi. The development will be done using the Arduino IDE. Use simple on/off control for motor operation. The remot...

I require an experienced embedded C/C++ programmer to assist with my project which is using the CH32F103C8T6/CH32X033F8P6 MCU. The project involves working with either Zephy...I am facing are compilation errors, runtime error. The work won't take much time as the code has already been generated by LLM only error correction is needed. Key Requirements: - Extensive experience in embedded C/C++ - Proficiency in either Zephyr or RT-Thread RTOS - Ability to troubleshoot and fix AI-generated code - Experience with the CH32F103C8T6 MCU Please note that mere knowledge of Arduino is not sufficient for this task. Your role will primarily involve code testing and completion, so a keen eye for detail and strong debugging skills are essential. The freelancer needs to complete the project...

*** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microchip. - You do *not* need any experience with microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, circuit design, or Python. - If Freelancer.com prevents you from bidding on this project or if you want to avoid “spending” one of your Freelancer bids you can apply "passively” for this project by pasting "MicroPython_ESP32_11_September_2019" into your Freelancer profile. Please see the section below in this posting called *** APPLYING "PASSIVELY" *** for more information. *** LOCATION *** You must live the Western Balkans in ...

I'm looking for a skilled coder who can write a working code for Arduino. The project involves the ESP8266 and Waveshare 2.13inch E-Ink Screen Display HAT (B) for Raspberry Pi. Key Requirements: - The primary function of this project is to show images on the E-Ink screen. The images will be in 212x104 resolution, but the code should also be adaptable for 2.97 inch and 4.7 inch screens. - The code must support all three resolutions: 2.13, 2.97, and 4.7 inches. - You will need to provide schematics of wiring for the ESP8266 with the E-Ink screen. - Ideal candidates should have experience with Arduino, ESP8266, and E-Ink displays. Skills in coding for multiple screen resolutions and creating wiring schematics are essential.

I require an experienced embedded C/C++ programmer to assist with my project which is using the CH32F103C8T6/CH32X033F8P6 MCU. The project involves working with either Zephy...I am facing are compilation errors, runtime error. The work won't take much time as the code has already been generated by LLM only error correction is needed. Key Requirements: - Extensive experience in embedded C/C++ - Proficiency in either Zephyr or RT-Thread RTOS - Ability to troubleshoot and fix AI-generated code - Experience with the CH32F103C8T6 MCU Please note that mere knowledge of Arduino is not sufficient for this task. Your role will primarily involve code testing and completion, so a keen eye for detail and strong debugging skills are essential. The freelancer needs to complete the project...

I need an Android application designed for USB OTG connectivity. The purpose of this app is to serve as a comprehensive dealer/installer toolkit for a custom boat lift controller. Project Overview I have a custom Boat Lift Controller (Arduino/AVR-based) that communicates over USB-to-serial. I need an Android app (for phone/tablet with OTG) to serve as a Dealer/Installer Toolkit, providing: Full configuration (all settings, e.g., limit switches, motors, etc.) Setup Wizard (mandatory) with GUI screens guiding through each step of device setup. Control (move the lift up/down, set presets, toggle AUX lines, etc.) Monitoring (real-time serial terminal for manual commands, logs, etc.). Firmware Updates over USB for both the main controller and a sidekick microcontroller board. The fina...

...Control of dynamometer settings - Real-time calculation of horsepower (HP) using a supplied equation The ideal candidate for this project should have extensive experience in app development, particularly for Arduino-based systems. A strong understanding of engine dyno operations and data interpretation will be advantageous. Given the nature of this project, proficiency in real-time data processing and cross-platform app development is crucial. Arduino Dyno APP Project. The objective of this project is to create a App, capable of reading and displaying the output of all the Arduino Dyno hardware sensors. Also display HP based on HP = Torque X RPM/5252 (Torque=weight). The APP layout should be clean looking and well laid out. 1. Create realtime display 2. A star...

I'm looking for a skilled IoT and Bluetooth professional who can help design a remote control using nRF devices from nordic or equivalent for low power consumption to control various types audio equipment like amplifiers, preamplifiers, control equipment, equalizers. The freelancer will also design the Control unit on the Audio equipment using ESP32 (with the native IDF, NOT using Arduino) to receive the do the initial connection with the remote control and the mobile app, then maintain the connection, receive the commands from the paired devices, and send them locally to a queue. The system should be able to control various aspects of the device, including: - Volume control - Track selection - Power on/off - Menu navigation - Device selection - Input selection - Balance...

I'm seeking assistance with designing ...project involves creating a modulator for the transmitter capable of encoding data using the Amplitude Shift Keying (ASK) modulation scheme. Key project components include: - The data will be sourced from an Arduino in binary form and needs to be modulated with a sine wave for transmission. - The drone will communicate its speed to a controller. - An analysis of the characteristics of both linear and non-linear amplifiers through a modulator at the transmitter end. Ideal skills for this project: - Proficient in circuit design and PCB creation. - Experience in working with Arduino and drone technology. - Knowledgeable in both linear and non-linear amplifier characteristics. Please provide a quote and specify any additional requ...

I'm looking for an expert to wire 5 buttons with 5 LED 7-segment counters. The buttons will be manual push buttons, and their function will be to increment the count on the LED counters. I already have the components including Arduino Uno R3 Boards that are pre-programmed with a time delay so the buttons cannot be spammed. I need to understand how the circuit works and how it is wired properly. Wires have been disconnected and it is not working at this time. Ideal Skills: - Proficient in working with 7-segment displays - Experience with wiring manual push buttons - Knowledge of basic circuit design and implementation

I'm looking for a passionate and skilled Robotics Tutor to teach my Basic Robotics Course. The ideal candidate will have experience in robotics, basic electronics, and programming, specifically with Arduino. The tutor will deliver online classes, guiding students through the course content with hands-on projects and discussions. Key Responsibilities: - Deliver engaging online classes - Guide students through course content - Facilitate hands-on projects and discussions Ideal Skills: - Experience in robotics and basic electronics - Proficient in programming with Arduino - Experience teaching beginners - Strong communication skills for online tutoring

I'm seeking an expert in embedded systems and Ardusub development for a drone project. The primary focus of this role will be integrating various sensors into the system, specifically depth, temperature, and pressure sensors. Key Responsibilities: - Develop and implement an Ardusub based embedded system for a drone - Integrate depth, temperature, an...and Pixhawk systems - Strong background in sensor integration - Familiarity with depth, temperature, and pressure sensors - Excellent problem-solving skills and attention to detail Develop an embedded system control for a drone with four motors. 3 DC motors and one stepper motor. Control needs to be PID logic enabled using ardupilot or arduSUB pixhawk or Raspberry Pi. Finally we need to do camera and light contr...

...125 kHz) USB interface for communication with a PC (no external USB–serial chip required) This device will transmit and receive data at 125 kHz for transponders (e.g., automotive immobilizer tags) using the PCF7991 and a coil antenna. The ATmega32U4 will handle the low-level bit-banging, timing, and decoding, while appearing as a USB CDC device (virtual COM port) on the PC side. I have existing Arduino-based code (.ino) that demonstrates how to interface with the PCF7991 (originally for an ATmega328). We plan to port or adapt that code for the ATmega32U4 once the PCB is complete. Objectives Develop a Complete Schematic that includes: ATmega32U4 microcontroller with supporting components (crystal/oscillator if needed, decoupling capacitors, etc.). PCF7991 base station IC,...

I need an experienced Arduino engineer to help me with a project. The goal is to control a filter press through a progressive increase of air pressure. This will be used in an industrial setting. Key Requirements: - Design an automated control system using Arduino and remotely control - Implement this to regulate air pressure in the filter press Ideal Skills: - Strong background in Arduino programming - Previous experience with industrial automation systems - Understanding of filter press operations

...an encrypted message or hash that only your server can validate. ✅ Solution: Use NTAG 424 DNA for AES-128 encryption & dynamic authentication. ❌ Risk: More expensive than regular NFC tags but extremely secure. 3. Implement Server-Side Authentication (Tokenized URLs) Instead of embedding a static URL on the NFC tag, generate a unique, temporary token for each scan. The URL could look like this: arduino Copy Edit The token is validated server-side and can: Expire after one use (prevents replay attacks). Be tied to the NFC chip UID (ensures it’s the original tag). Include a cryptographic signature (HMAC or JWT) to prevent tampering. ✅ Solution: Use JWT (JSON Web Token) or HMAC signatures to validate scans. ❌ Risk: Requires a server backend to generate