Stepper motor interfacing with raspberry picông việc
Tạo mạch, thu dữ liệu sạc, xả từ pin năng lương thông qua raspberry pi. Yêu cầu theo file mô tả bên dưới. Mạch điện vẽ gợi ý, chưa phải hoàn chỉnh.
Personal Project : *Detail : ROS 2 and linux environment , using Lidar 2D or 3D , IMU sensor, Encoder , control BLDC motor by Can or serial *Working Skill : More experience about Linux (ubuntu) ,ROS , IOT, sensor driver, motor control, CAN & serial communication *Working method : Remote *PJ time : code design + actual test ~ 2 month (Not strict on time and able discuss) *Target : The robot can recognize the map and move smoothly * Expected cost : 500$ ~1000$
Tôi có 2 thiết bị Raspberry Pi 4, Tôi đã backup thẻ nhớ SD của thiết bị Ras A bằng phần mềm Win32DiskImager, sau đó restore nó vào thẻ nhớ khác và cắm vào thiết bị Ras B nhưng nó báo lỗi và không thể hoạt động, hy vọng ai đó có thể giúp tôi sửa chữa nó. Ảnh đính kèm lỗi được tải lên bên dưới.
Mình cần tìm người code 1 app Android bằng Android Studio có các chức năng như: -Có mật khẩu tài khoản đăng nhập -Chụp hình bằng camera của raspberry pi sau đó hiển thị thông báo khi có người nhấn button gắn trên raspberry -Điều khiển đóng mở relay gắn với chân Raspberry pi từ xa -Xem Camera của Raspberry từ xa -Xem lại hình ảnh đã chụp bằng Raspberry
Mình cần 1 bạn hướng dẫn nối MCP3204 và cảm biến MQ-3 vào Raspberry để lấy nồng độ cồn.
Mình cần người làm app Qt build cho Windows và Linux Raspberry. App sẽ kết nối với bo mạch của mình qua cổng USB hoặc Com (RS232) và làm các việc sau. - Nhúng Google , chọn tọa độ trên bản đồ rồi bấn send sẽ gửi tọa độ đó cho mạch biết. - Hiển maker tọa độ do mạch gửi cho PC - Mạch liên tục gửi tọa độ 1s/lần cho PC, app sẽ vẽ đường chạy của tạo độ đó trên Google maps. Giống như bộ GPS tracking. - Một vài chức năng phụ khác như bấm icon A sẽ gửi ký tự 'A' cho mạch, Icon B sẽ gửi kí tự 'B' cho mạch lưu. Mạch gửi lên chữ 'A' sẽ chọn icon A hiển thị... Ưu tiên Developer làm việc tại khu vực Hà Nội hoặc Hồ Ch&iacu...
Mình đang cần 1 bạn code python trên raspberry pi 3b+ liên kết với máy in nhiệt mini và router Mikrotik Chức năng: Bấm 1 nút sẽ tạo user/pass trên router Mikrotik và sẽ in user/pass đó qua máy in nhiệt
Sử dụng Rak 831 cùng Raspberry làm thành gateway, rak 811 là node gởi dữ liệu.
Hallo, mình tên là Sơn. Đang viết một phần mềm bằng QT trên Ubuntu và cross compiling cho Raspberry Pi. Mà nó báo lỗi không tìm ra thư viện libusb. Bạn có thể check cho mình lỗi đó được không. Và giá cả như thế nào nhắn mình nhé. Tks
Hallo, mình tên là Sơn. Đang viết một phần mềm bằng QT trên Ubuntu và cross compiling cho Raspberry Pi. Mà nó báo lỗi không tìm ra thư viện libusb. Bạn có thể check cho mình lỗi đó được không. Và giá cả như thế nào nhắn mình nhé. Tks
Hallo, mình tên là Sơn. Đang viết một phần mềm bằng QT trên Ubuntu và cross compiling cho Raspberry Pi. Mà nó báo lỗi không tìm ra thư viện libusb. Bạn có thể check cho mình lỗi đó được không. Và giá cả như thế nào nhắn mình nhé. Tks
Hi Khánh, mình thấy tên bạn trong project này (https://www.freelancer.com/projects/php/telegram-channel-web-scraper/) Mình muốn nhờ Khánh làm giúp mình một con bot như vậy được không? Mục đích không được trong sáng cho lắm :) Đức
Xin chào. Hiện bên mình đang có kế hoạch thiết kế một thiết bị có màn hình cảm ứng 7 inch sử dụng Raspberry Pi hoặc 1 Linux board nào sẵn có trên thị trường. Thiết bị cần viết App để truyền dữ liệu đến bo mạch khác qua Usart hoặc SPI Cần người tại Hà Nội am hiểu về Linux computer hỗ trợ & hướng dẫn một số phần bên mình đang yếu. Gặp và làm việc trực tiếp tại Hà Nội. Hợp tác lâu dài không chỉ project này. Cám ơn!
Xin chào Tôi muốn làm một thiết bị sử dụng bo mạch Linux sẵn có trên thị trường, ví dụ như Raspberrypi để xây dựng một thiết bị có app chạy trên đó. App sẽ làm nhiệm vụ click màn cảm ứng truyền đi dữ liệu qua cổng UART hoặc SPI. Cần tìm người tại Hà Nội, hợp tác lâu dài không chỉ dự án này...!
Raspberry con Whatsapp Raspberry con Whatsapp
Tìm hiểu mã nguồn mở opendatakit để xây dựng hệ thống cảnh báo an toàn Ý tưởng là phát triển một Hệ thống thu thập dữ liệu gồm: - Ứng dụng mobile: Cho phép nhập thông tin cảnh báo và truyền về server - Ứng dụng phân tích và hi...được từ mobile app, ứng dụng web sẽ phân tích và hiện thị các thông tin trên web. tìm hiểu hệ thống OpenDataKit tại địa chỉ Mục tiêu là build lại từ source, deploy trên máy phần web hiển thi Phần mobile build ra file apk cũng chỉnh lại giao diện tiếng việt một chút, đồng thời hướng dẫn mình để nắm được hệ thống. Phần app mobile được viết bằng android ( code mình đ&a...
Cần làm 1 ứng dụng chat hoặc OTT trên Adnroid có nhiều chức năng hơn cả ZALO , wechat và các phần mềm chat hiện đang có trên thị trường. ( Tất cả đều là ý tưởng của mình và mình sẽ bỏ tiền ra truyền thông quảng bá cho ứng dụng này) Về các chức năng cụ thể có thể liên hệ mình để trao đổi Mọi người cứ báo giá ở đây . Liên hệ mình qua Sờ kai pi: tnt_1311
Cần làm 1 ứng dụng chat hoặc OTT trên Adnroid có nhiều chức năng hơn cả ZALO , wechat và các phần mềm chat hiện đang có trên thị trường. ( Tất cả đều là ý tưởng của mình và mình sẽ thực bỏ tiền ra truyền thông quảng bá cho ứng dụng này) Về các chức năng cụ thể có thể liên hệ mình để trao đổi Mọi người cứ báo giá ở đây . Liên hệ mình qua Sờ kai pi: tnt_1311
Cần làm 1 ứng dụng Android để bán điện thoại di động với nội dung đã có sẵn trên website . Giá cả thoả thuận Chi tiết liên hệ : sờ kai pi: tnt_1311
...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 final app must replace the need for a laptop + terminal software. A dealer can just plug in their Android device with an OTG cable, open this app, and do everything needed. Detailed Requirements 1. USB OTG...
I need a professional to assemble an under-desk mounted keyboard tray to my electric motor extendable desk. The job requires special tools for the assembly, which I need to be provided by the freelancer. Ideal skills and experience: - Proficient in assembling furniture and desk accessories - Experience working with electric motor desks - Able to provide necessary tools for assembly - Skilled in ensuring proper installation for optimal functionality Please see the pictures below. If there are any items missing or you do not have the tools for installation or require more pictures for assessment, please let me know. Thank you. Please note that the office is in Sydney CBD.
We are seeking a skilled and innovative Mobile Application and Firmware Developer to join our team. In this role, you will be responsible for designing, developing, and implementing a mobile application and firmware solutions for controlling motors in various applications. You will work closely with hardware engineers and product managers to create seamless integration between software and hardware.
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 pressu...sensor data in Pixhawk format Ideal Skills and Experience: - Extensive experience in embedded systems development - Proficient in Ardusub 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 ...
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I'm seeking an experienced C# developer with expertise in Modbus protocols. The task involves sending sensor data to a Modbus application via COM3, using the Read/Write Multiple Registers function with signed integers. Key Requirements: - Proficient in C# programming - Knowledgeable in Modbus protocol, specifically Read/Write Multiple Registers function - Experience with handling signed integer data formats - Familiar with COM3 interfacing Ideal candidates should have a strong background in software development, with particular emphasis on C# and Modbus applications. Experience with sensor data transmission will be a significant advantage. I look forward to receiving your bids.
...Optimize power management to extend battery life. • Ensure stable operation with 5V input and multiple voltage rails (1.2V, 1.8V, 2.7V, 10V). • Minimize heat dissipation and power loss in wearable conditions. 4. PCB Design & Prototyping • Design a compact, flexible PCB suitable for smart glasses. • Implement best practices for high-speed signals, RF design, and power integrity. • Generate Gerber files, BOM, and manufacturing documents. 5. Firmware & Communication Framework (Optional, but a plus) • Assist with low-level firmware development for FPGA, Bluetooth, and sensor integration. • Provide sample code for Bluetooth communication and camera interfacing. Deliverables: 1. Updated Circuit Schematic (with n...
I'm looking for an experienced developer to port existing Arduino and Raspberry Pi project (found at ) to an STM32 microcontroller. The project involves sensor integrations, data logging, and control algorithms. Key Requirements: - Porting critical features from the existing project - Implementing WiFi capabilities using the STM32's built-in WiFi module - Open to using alternative libraries or frameworks instead of the ones used with Arduino and RPi Ideal Skills and Experience: - Proficient in STM32 programming - Experience with Arduino and Raspberry Pi - Knowledge of sensor integrations and data logging - Familiarity with control algorithms - WiFi module implementation experience - Ability to suggest and use alternative librarie...
Project Overview: Signal Processing and Data Management System We are developing a device that provides signals which are to be processed and stored for further analysis. This device interfaces with a Labjack T4, and we need the following functionality developed: 1. Signal Acquisition and Processing • Objective: Capture signals from the Labjack T4 after an external trigger. A Reader scans a sample label. Waveform is digitized by Labjack and stored as a time sequence of samples. Number of data points is X. Resolution is 12 bits. Purpose of this program is to analyze the peak distribution in the waveform and compare each new waveform to prestored reference waveforms to match pattern. Display correct matching visual image to viewer. • Requirements: o High-frequency samplin...
I'm looking for an experienced PCB designer and programmer to help with a project in industrial machinery. The PCB will primarily process data from sensors, so experience with data processing is crucial. Additionally, the PCB will need to be compatible with the Field-Oriented Control (FOC) motor method. Ideal skills and experience for the job: - PCB design experience - Programming expertise - Familiarity with industrial machinery - Understanding of sensor data processing - Knowledge of Field-Oriented Control The expected timeline for the project is 1-2 months. The project requires detailed documentation for both the PCB design and programming. The PCB should use the RS485 communication protocol for interaction with the sensors.
...y utilizar herramientas para adquisición de datos en maquinaria agrícola (John Deere). Recopilar y organizar información operativa en tiempo real. Estructurar los datos en formatos adecuados como JSON. Datos a capturar: · Temperatura del refrigerante motor · Temperatura del aceite hidráulico · Rpm del motor · Hrs de funcionamiento · Nivel de combustible · Consumo de combustible · Nivel del aceite hidráulico · Saturación filtro de aire · Presión de aceite motor Requisitos: Experiencia en telemetría y monitoreo de maquinaria agrícola o industrial. Conocimiento en herram...
I'm looking to pull data from a cricket scoring app called play cricket scorer on both iOS and Android to display on a Raspberry Pi. The job primarily involves: - Extracting score updates from the app as they happen - Delivering this data in real-time to the Raspberry Pi The data should be displayed on the Raspberry Pi in a text-only format. Ideal skills for this project include: - Proficiency in data extraction and manipulation - Experience with Raspberry Pi and its programming - Understanding of cricket scoring and terminology would be beneficial I need a reliable freelancer who can ensure the data is updated accurately and promptly.
Hi I am looking for an export in FEMM open source software or alternatively Ansys The project will be a simulation for a axial flux motor.
I need a skilled developer to create a GUI using PyQt for a TFT display connected to a Raspberry Pi. The Pi is running Raspbian and the GUI will be used for a control panel. Ideal Skills & Experience: - Expertise in Python and PyQt or C# - Previous experience with Raspberry Pi and Raspbian - Knowledge of TFT displays - Ability to design intuitive control panel interfaces - Need to connect raspberry pi CM4 to MCU via SPI %E3%83%AC%E3%83%B3%E3%82%BA%E5%8A%A0%E5%B7%A5%E6%A9%9FUI.ver1.0?node-id=0-1&t=5qp8gPXXTxaDdQJP-1 :x:/s/kaihatsu/EQ2lt5JmAN9Mv8PmHkjEDnIBc9TcPFpz0I5LM8J7cH8mxw?e=GLjdvg
PLEASE READ THE PROJECT DETAILS FIRST. RaspberryPi Panasonic Servo Motor: MHMF092L1U2M () Panasonic Driver: MDDLT55SF We need a simple UI in touchscreen (Python). There would be options to set the following: Torque: 0 to max Velocity: 0 to max Number of rotations: 0 to 100 Option to select the direction of motor There will be a START / STOP button. After setting all required parameters... we will click on START to run the motor. We can connect the Panasonic Driver either to Raspberrypi and provide the access through Real VNC.
I'm looking for an experienced developer to port existing Arduino and Raspberry Pi project (found at ) to an STM32 microcontroller. The project involves sensor integrations, data logging, and control algorithms. Key Requirements: - Porting critical features from the existing project - Implementing WiFi capabilities using the STM32's built-in WiFi module - Open to using alternative libraries or frameworks instead of the ones used with Arduino and RPi Ideal Skills and Experience: - Proficient in STM32 programming - Experience with Arduino and Raspberry Pi - Knowledge of sensor integrations and data logging - Familiarity with control algorithms - WiFi module implementation experience - Ability to suggest and use alternative librarie...
I'm looking for a professional with expertise in FreePBX and Raspberry Pi 5 to assist me in setting up a VoIP system for educational purposes. This system will be used to teach a course to beginner-level students. Key Responsibilities: - Install and configure FreePBX on a Raspberry Pi 5. Ideal Skills: - Extensive experience with FreePBX and Raspberry Pi. The goal of this project is to create a practical, hands-on learning experience for students interested in VoIP technology.
...will run on a Raspberry Pi. This application will process the RTSP stream from an IP camera to find and read a digital weight display. Key Features: - The weight display is fixed in position, so the application will not need to track moving elements on the screen. - The application should perform Optical Character Recognition (OCR) on the display and store the results in a text file. - The whole system needs to function without any internet access. Web Interface: - A web page hosted on the Raspberry Pi will be used for testing and adjusting parameters. This includes tweaking OCR settings and viewing logs. - The application should also allow me to start and stop the video stream from the web interface. Ideal Skills and Experience: - Strong proficiency in P...
Praxis Garagentor programmieren 28.01.2025 IBZ Die datei muss über TIA-Portal Siemens gemacht werden Sie haben die Aufgabe mehrere Garagentore zu Programmieren Pro Garagentor gibt es folgende Attribute: Motor: 3x400VAC 0,55kW 1.12A Bewegung: öffnen / Schliessen Serviceschalter (mit Hilfskontakt) Im Innern der Garage in Nähe des Motors Motorschutzschalter / Schütz / PTC Sensoren: Offen / Geschlossen Lichtgitter Teil im Tor detektiert Einklemmschutz (nicht Safety) Präsenzmelder in der Garage Absolutwertgeber (0 bis 2800) Schlüssel: 4 Positionen: < Bewegung Start | Auto | 0 | Fix öffnen (Aussen) Taster: Tor öffnen (Innen) LED: Grün und rot HMI - Überwachung - Fehlermeldung - Bedienung usw Ausserhalb der Tore sind Mehrere Bewegung...
I'm working on an automatically movable stage. This project requires a proficient Python coder with experience in robotics and automated control systems. Key Responsibilities: - Develop a Python code that will control the movement of the stage across three axes - Ensure the coding facilitates smooth and precise movements Required Skills: - Expertise in Python coding - Previous experience working with automated control systems - Familiarity with robotics and physical product coding I was wondering if you could code for me so that a stage holding a petri dish with two x axes , one y axis, and one z axis that have stepper motors in them can move automatically to keep a fish inside the petri dish in the focus of a Ti2 inverted microscope's camer...
...controlled via a mobile app or a game controller over a Wifi network. Key aspects of the project include: - Testing the ease of control via the mobile app - Assessing the responsiveness to the game controller - Testing that the esp32 drone code actually works - using basic components to test functionality. For example testing on LED's for each motor. - Test PCB Gerber files online as well The ideal freelancer for this project should have: - Experience with Espressif esp drone - Extensive experience in functionality and usability testing - A strong understanding of ESP32 technology - Proficiency in evaluating mobile applications and game controllers. Please note that I only require testing services, all code and control mechanisms are available online as open sou...
...an expert to design a simple prototype and a cost-effective solution for an automatic watering pot. The pot should have: - Two compartments: the inner for soil and plants, and the outer housing all the components like a relay module. - A fully covered outer compartment made of Plastic (ABS), which is the chosen waterproof material. - Integrated moisture sensor located in the soil. - A DC water motor situated in the water compartment. The pot should be designed for: - A battery-operated power source, as this will aid in keeping the pot cost-effective. - Growing flowers, hence the pot should cater to the needs of these types of plants. Please also provide suggestions for: - A cost-effective design that would allow for future sales under Rs 249. ( $4 ) - A suitable waterproof ...
I'm looking for a skilled Raspberry Pi or similar developer with a strong background in Audio DSP. This project involves creating an innovative hardware synthesiser, so experience in audio signal processing and hardware integration is key. Key Responsibilities: - Audio Signal Processing: Primarily focusing on sound synthesis and effects processing. - Hardware Integration: Connecting and configuring various components including MIDI controllers, touchscreen and analog sensors. Ideal Candidate: - Proficient in Raspberry Pi or similar programming and hardware integration. - Experienced in audio signal processing, particularly in sound synthesis and effects processing. - Familiar with working with MIDI controllers and analog sensors. - Cr...
Project Title: Install DeepSeek R1 LLM on Raspberry Pi 5 (8GB) with Intuitive Voice-Interaction UI Project Description: I am looking for a skilled freelancer to set up the DeepSeek R1 LLM on my Raspberry Pi 5 (8GB). The system should have an intuitive user interface that allows interaction via voice commands and supports uploading custom datasets, such as textbooks, text files, or question-and-answer pairs. The key requirements are: Requirements: 1. LLM Installation and Optimization: • Install and configure DeepSeek R1 LLM or a compatible model on the Raspberry Pi 5. • Optimize the model for the Raspberry Pi’s hardware (e.g., quantization or ONNX conversion). 2. Data Integration: • Create a feature to uploa...
...software for a specific BLDC motor, which is being used as a propeller in my project. I prefer using STM32 hardware for this. Key Features: - Speed Control: The ESC software must enable precise speed control, as the propeller needs to operate at various speeds. - Motor has no hall sensor so the control method needs to be sensorless - Temperature Monitoring: The software should monitor the motor's temperature to prevent overheating during operation. - Current Monitoring: Real-time monitoring of the motor's current is necessary for maintaining efficiency and detecting potential issues. - UART Communication: The ESC software should facilitate UART communication for data transmission and control. Additional Requirements: - Low Speed Operation: The software must ena...
...help with a project that involves working with electric motors and simulations. Here's what needs to be done: Motor Control: Find a way to avoid high current in low-speed motors, especially when adjusting voltage. You’ll need to explain the challenges with this and back it up with research. Simulation: Use MATLAB/Simulink to create a simulation showing how the motor performs at different speeds (15, 30, 50, 65, 80 Hz). Then, explain the results. Equipment Selection: Choose the right equipment and methods to get the motor's performance at different speeds (15, 30, 50 Hz), using two types of control (V/f and V/f2). Discuss the results and any issues with the methods. Torque and Power Curves: Based on the motor dat...
...involve manipulating data into a suitable format for analysis. - Develop an automation script using Python - Utilize the Google Sheets API to synchronize data for our Django website Ideal Skills: - Proficient in Python - Extensive experience with the Google Sheets API - Strong background in automation and scripting - Understanding of data synchronization processes - Skill in Django is bonus Ideal Skills: - Proficiency in Python: Essential for creating effective automation scripts. - Experience with Google Sheets API: Necessary for interfacing with Google Sheets. - Data Processing Expertise: Prior experience in transforming and formatting data is a plus. Our Terms : - No toxic working en...
Project Overview I have a 3D model of a wheel-based pill dispenser that currently operates manually. I want to modify the design to include a stepper motor for automated rotation and add a compartment to house electronic components (boards, battery, etc.). Additionally, I need some aesthetic and structural changes to improve the design. Required Modifications Add a Stepper Motor: Attach the stepper motor to the back of the design. The motor body should be screwed to the body of the dispenser. Connect the motor shaft to the wheel using a 5mm flange to enable rotation of the dispensing mechanism. Add a Compartment: Create a compartment with dimensions 20cm x 10cm x 5cm to house: Circuit boards Electronic components Battery Ensu...
Hi there, I am looking for a freelancer who can do kinematic analysis for a toilet seat raiser assembly design. This design is aimed towards development of electric motor actuated raising of toilet seat for elderly people. The assembly models are provided herewith. Kinematic analysis can be done using solidworks or any other cad tool to evaluate the mechanism design. The primary objectives for the kinematic analysis is to evaluate strength and stability, ease of use and ergonomics, Durability over time Hinges, raising mechanism, support structure needs to be studied. Simulation video needs to be provided as output. Any modification required in the design to ease the mechanism is welcome.
