Raspberry pi ultrasonic sensor projectcông việc

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.

Thiết lập hệ thống cảm biến, giám sát đo nhiệt độ, độ ẩm, oxy trong đất. Thiết lập hệ thống cảm biến, giám sát đo nhiệt độ, oxy trong dung dịch Thiết lập hệ thống cảm biến, giám sát đo nhiệt độ, độ ẩm, CO2 trong không khí Thiết kế hệ thống phần mềm điều khiển tại chỗ, kết nối các sensor cảm biến, bơm nước, van điện tử nhả khí Oxy, CO2 Thiết kế hệ thống phần mềm điều khiển từ xa có kết nối giữa điện thoại thông minh và các sensor cảm biến, bơm nước, van điện tử nhả khí Oxy, CO2 Xây dựng cơ sở dữ liệu để lưu và lấy các số liệu phục vụ nghiên cứu

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.

Tự động hoá nhà nuôi yến. Yêu cầu 1 hệ thống tự động, điều khiển từ xa thông qua kết nối internet, hoạt động trên 1 PC (kết hợp Arduino). - Hệ thống hoạt động trên nguồn điện DC 12v. - Output 3 lines âm thanh độc lập + 3 amplifiers. - Đo nhiệt độ và độ ẩm. Output: DC brushless pump. - Giám sát bằng camera, sensor báo động đột nhập. - 3 ngõ Output khiển tích hợp timer: bơm hơi, đèn, quạt. Bạn thạm gia dự án có thể chọn 2 phương án: giá thầu tổng hoặc chỉ thi công (vật tư dự án cung cấp)

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

...PCB, software, and implement an app for a Bluetooth locator, like a simple key finder. There are many products like this already on the market at very low prices. PCB must be small, alarm very loud and power consumption low. Bluetooth should automatically connect to the phone. PCB should power on when movement is detected and remain on for a period of time, set within the app. A tilt/vibration sensor detects when the PCB moves and turns on the power. Key features of the Bluetooth device must include: - Alarm sound feature - press button on phone to sound a loud alarm on PCB - Flashing light feature - light flashes when alarm sounds - Show on-map location - Rechargeable battery capability - Battery charge status either within app or on PCB i.e. flash red LED on PCB when charge...

I'm loo...loss and other related issues. Key components: - I've decided to use an ESP32 board instead of the conventional Arduino boards for this project. - The current sensor I'd like to implement includes ZMPT101B and ACS712. - The voltage sensor I'd prefer to use are the ZMPT101B and ACS712. Your tasks would include: - Writing the code required for the ESP32 board to interface with the current and voltage sensors. - Creating the fault detection algorithms in the code. Ideal skills and experience: - Proficiency with Arduino and ESP32 development. - Experience in working with current and voltage sensors. - Understanding of fault detection systems. This project is critical, and I'm looking for someone who can deliver high-quality wo...

I want 3d Simulation or rendering of smart inventory control system, in which lift mechanism connected with vibration sensors and conveyor is connected with ultrasonic sensor along with Arduino uno, esp wifi module, screen and motor driver all in software.

I am in search of an expert in the integration of RPLIDAR with Raspberry Pi for the purpose of navigation and obstacle avoidance in a medium-sized environment like an office building. More specifically, the freelancer is required to: - Program the Raspberry Pi to operate the RPLIDAR. - Create an algorithm or a method that can take in real-time data from the RPLIDAR and efficiently convert it into a visual, real-time map. - Use the mapped data for navigation and obstacle avoidance by the Raspberry Pi. Ideal Skills and Experience: - Proficiency in working with Raspberry Pi. - Experience in programming RPLIDAR. - Good working knowledge of obstacle avoidance algorithms. - Proven experience in navigation systems, particularly in indoo...

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pI am looking for an experienced software developer to create a PVC software for me. The core features required are: - PDF data extraction and printing: The software should have the capability to extract both text and images from PDF files and facilitate printing of the same. Proficiency in PDF manipulation tools is highly desired. - Image extraction and printing: in addition to text, the software should efficiently extract images for printing. - Localization: The software should fully support localization for all local Indian languages, with specific advantages in Hindi, Tamil, and Bengali. Understanding of the cultural context and linguistic nuances associated with these languages is a bonus. Ideal candidates will have a strong background in software development and previous...

I am aiming to have a pi zero programmed to read voltage levels from a 12-volt battery bank. The trigger to start the generator should be a low voltage condition. The purpose of this project is to remotely start the generator, with a focus on maintaining efficiency and practicality through a direct physical connection. Key objectives include: - Programming the pi zero to accurately gauge low voltage conditions - Enabling the generator to automatically power up in case of a drop in voltage. - Continuing the generator input even after the voltage returns to normal, with this feature designed to maintain a steady and reliable power supply. Ideal Freelancer Skills: - In-depth understanding of Raspberry Pi Zero programming for hardware operations - Knowle...

...working on a project that requires interfacing a Raspberry Pi with a Panasonic Servo Driver. I need a professional to perform the following tasks: - Setting up Modbus communication between Raspberry Pi and Panasonic Servo Driver (Model Number: MDDLT55SF) - Setting up CC-Link IE TSN communication between Raspberry Pi and Mitsubishi Driver (Model:MR-J5W3-222G) - Writing code for controlling the servo driver from the Raspberry Pi - Testing and debugging the system - Providing support for any issues that may arise during the project Previous experience with Raspberry Pi and Panasonic Servo Drivers is a must. Additionally, the ideal candidate will have a strong understanding of programming in Python, as we...

I need to wrap a label (fictitious) on a soup can - the label is already created with aspect ratio of Pi - once the label is applied to the can, the can needs to rotate 360 degrees so we can see all parts of the label. I want a photo realistic render at 4K with an alpha channel so I can layer it onto a background if I choose to. I will need a few 6K still renders also. I have attached a few of the photoshop mock-ups I have created.

I'm working on a project that involves an ESP32 device. This application will serve as the interface for the user-ESP32 communication. Key features I'm looking for: - **Real-time data visualization**: The app should display sensor data and other information from the ESP32 in real time. This is crucial for monitoring and making informed decisions. - **Graphical User Interface**: A clean, user-friendly interface is necessary for easy operation. Think about intuitive design and clear displays. - **Bluetooth Connectivity**: The app must be able to connect seamlessly to the ESP32 via Bluetooth. Reliable connectivity is a must. Interactions: - **Button presses**: The app will have buttons for the user to send commands to the ESP32. These should be responsive and intui...

I am seeking an experienced engineer to design and implement a two-axis machine control system that is capable of: - Effectively controlling and managing the movements of the system along two axes with a LIMITED RANGE. Your expertise in designing systems with the ne...Comprehensive knowledge in machine systems control and design. - A thorough understanding of motion control strategies. - A background in data analysis and logs processing. The machine is a Bandsaw to cut small logs into planks. The 2-off, NEMA 23 stepper motor movements are sequential, ie, first one moves then the second stepper moves. The controller is a Raspberry Pi 4, the prefered language is Python. Input to the controller via R Pi 7inch Touchscreen. File is to big to attach I lo...

I am seeking an experienced engineer to design and implement a two-axis machine control system that is capable of: - Effectively controlling and managing the movements of the system along two axes with a LIMITED RANGE. Your expertise in designing systems with the necessary navig...Comprehensive knowledge in machine systems control and design. - A thorough understanding of motion control strategies. - A background in data analysis and logs processing. The machine is a Bandsaw to cut small logs into planks. The 2-off, NEMA 23 stepper motor movements are sequential, ie, first one moves then the second stepper moves. The controller is a Raspberry Pi 4, the prefered language is Python. Input to the controller via R Pi 7inch Touchscreen. File is to big to attach I lo...

I'm in need of a skilled developer or team that can design and build a highly specia...Multimedia: The platform should support a range of multimedia options, from text to photo uploads. Platform Support: The mobile application should support the interface and experience similar to that of Pi from Inflection AI or ChatGPT from OpenAI. Design: The design should be sleek and modern, catering to a professional and tech-savvy audience. Ideal Skills and Experience: - Proficiency in natural language processing and machine learning - Strong UI/UX design background - Extensive experience in mobile application development - Familiarity with platforms such as Inflection Ai or Open Ai This project will require a team or individual with a strong track record in both application d...

I am currently developing the field oriented control system for a permanent magnet synchronous motor. My goal is to improve the speed response, specifically the acceleration time, deceleration time, and steady state error. The project involves the tuning of PI controllers within the system, meant to enhance its overall performance. For this task, a proficient knowledge of control systems, system modeling, and tuning methods is required. Previous experience with PI tuning is beneficial. Currently, MATLAB/Simulink is being used for modeling and system simulation, hence proficiency in it is crucial. Ideally, the candidate will have extensive experience using MATLAB for complex motor control simulations. However, I haven't defined the specific tuning methods to be...

I am looking for an expert with solid experience in Fiel...looking for an expert with solid experience in Field Oriented Control (FOC) of Permanent Magnet Synchronous Motors (PMSM) who can help tune my PI controllers for more precise speed control. Here are the specifics: - I have an established model using MATLAB/Simulink, and the PI controllers are already implemented. - The key outcome I want is to enhance the accuracy of the speed response. The ideal candidate will have: - Extensive knowledge and experience with PMSM and FOC. - Proven background in tuning PI controllers. - Strong proficiency in MATLAB/Simulink. Your task will involve analyzing the existing model, suggesting enhancements for the PI controllers, and implementing these changes to achieve...

I need a Java or python3 programmer to create a sensor-data generator for the website www.voeazul.com.br. The objective is to send a POST request to the site with valid sensor-data in order to obtain a particular cookie (_abck) for data analysis purposes. The sensor data to be simulated includes mouse movements, keyboard interactions, and browser interactions. Key Requirements: - Create a sensor-data generator in Java or python3 - The generator should simulate mouse movements, keyboard interactions, and browser interactions - The sensor-data should be valid enough to trigger the generation of the _abck cookie upon sending a POST request to Ideal Skills and Experience: - Proficiency in Java/python3 programming - Experience in web scraping and automati...

...rounded bar with % value received from 3 x ads1115 i2c connected Key Responsibilities: - Program the ESP32 to recognize and interpret the data from the I2C ADS1115 sensor module - Integrate a responsive touchscreen control and an LCD display on the Waveshare ESP32 s3 Touch LCD 4.3 - Ensure the system is user-friendly and able to display the sensor readings accurately - Implement the system in a way that is easy for someone with an intermediate level of programming experience to understand and modify Ideal Candidate: - Proficient in Arduino and ESP32 programming - Prior experience working with touchscreen displays and sensor modules - Good understanding of data interpretation and display - Excellent communication skills to help guide the client through the system ...

We need people, as many as possible from the UK and AU to shoot a UGC video on how our product cleans your teeth. Here is an example: Here is our website: **Who we need based on our target audience:** - Female and Male between 35-44, (Mostly Female) - Mostly have a family and childrens or family oriented - Possibly a smoker or regular coffee drinker. **What we need:** - Make a Video about using our product for a few days using our scripts, you can come up with your own but basically we will provide everything. **From us:** - 50-70$ for a ready edited video 60 seconds long. (we can do the editing ourselves) - Our product you will keep and you can

I need a technical expert skilled in Raspberry Pi integrations to create a display of GPS coordinates, IMU data, and set the frequency for a TBS satellite receiver on a 7inch LCD screen. The components for this project are: - GPS module - IMU module - TBS satellite receiver The LCD display should show GPS coordinates and IMU data in real-time. It also needs to set the frequency for the TBS satellite receiver. The Raspberry Pi setup will be powered by a battery, so considering power consumption in the build is important. Ideal skills for this job would include: - Experience with Raspberry Pi integrations - Familiarity with GPS modules and IMU modules - Knowledge of frequencies for TBS satellite receivers - Proficient in power management...

We are seeking an experienced skilled Raspberry Pi developer for an exciting machine workflow using Raspberry Pi and servo motors. The project involves developing software for control, and integrating the Modbus TCP/IP protocol. The successful candidate will demonstrate expertise in Python programming, servo control, and Modbus communication. Phase 1: Set up the Raspberry Pi 4b to control servo motors and configuring communication with the Panasonic Minas Driver and Panasonic Servo Motor. Install Modbus server software and develop custom Python scripts for Modbus communication and servo motor control. Phase 2: Control Iron Core Linear motors and configuring communication with the Mitsubishi Driver . This can turn into a long term pr...

I'm seeking a seasoned freelancer to devise a Derby car timer using Arduino Uno. The expected outcome will ...Winner Identification Feature: An 8x8 matrix screen for indicating 1st and 2nd place finishes. Ideal Skills and Qualifications: - Working knowledge of Arduino programming language. - In-depth understanding of microcontroller-based systems. - Hands-on experience with infrared sensor technology. - Ability to integrate multiple components into one cohesive, functioning system. - Practical knowledge of LED Display systems, specifically the 7-Segment LED HT16K33 Backpack. - Comfortable with crafting solutions for race-based project requirements. In bidding, please showcase your experience with Arduino Uno projects, and if possible, share examples of similar timing s...

...automating some key processes, with a special emphasis on security. Below are the specifications for the PCB controller: • Automation of the security system: This project requires designing a custom PCB controller which will integrate with various elements of the security system for automation. • Incorporation of alarm systems: The controller should easily synchronize with alarm systems, enabling automated responses in case of triggered alerts. • Seamless integration with access control systems: I wish to automate the access system in my shop, hence the PCB controller must be compatible with modern digital access mechanisms. • Door sensor compatibility: The controller should also connect flawlessly with door sensors, to monitor and log the opening ...

...an intermediate-level programmer with experience in Embedded C and 8051 Microcontroller. The project involves designing a system that takes input from 3 sensors and controls an actuator (motor). Key Requirements: - Design a system on 8051 Microcontroller - Program the system in Embedded C - 3 sensor inputs and motor output - Intermediate experience level - Assist in sourcing necessary components I have a strong preference for someone who has worked with 8051 Microcontroller and has experience with designing systems that integrates sensor inputs and actuator outputs. Your role will involve both programming and assisting in recommending and sourcing the necessary sensors and actuator for this project. If you're experienced in these fields and can comm...

...Transparent Display: The display needs to be integrated in front of a small lens, which will then be in front of an image sensor. The display will serve as the light source, allowing light to reflect off the sample. - Raspberry Pi Integration: The device should be able to stream footage through a Raspberry Pi. Ideal Skills and Experience: - Prior experience in designing and building similar handheld devices or microscopes. - Knowledge of integrating transparent displays and image sensors. - Proficiency in programming and working with Raspberry Pi would be a plus. - Understanding of scientific research needs and standards. The ideal candidate for this project should be able to assist with the full development cycle from...

Build an ISO for a raspberry pi (with cellular notecard) to scan for unique cell phones in a specific range and log the unique phone ID and timestamps/ping (distance) from the raspberry pi and store in mysql database using cellular adapter.

I am seeking an experienced LT Spice expert to assist with the design and simulation of a half-bridge circuit to drive an ultrasonic cleaner load, 60W, 39kHz, and 10R impedance. I have an LT spice model that needs to be updated to meet the requirement. The floating side needs to show a square wave and the output to the load needs to be a sinewave. The main requirement is to update the values of the discrete component and use a much better MOSFET to meet the required output of 600V AC, 0.5A, 39kHz Responsibilities: - Improve the LT Spice model for the half-bridge circuit (no rectifier needed), Output is AC and not DC - Conduct detailed simulations to analyze performance - Optimize circuit design based on simulation results The MOSFET part number is SIHP24N80AE-GE3, The PWM con...

I need some help with writing a physics lab report. This will be based on a ultrasonic waves experiment on an attempt to estimate the speed of sound.

...on a Raspberry Pi. The outcome should be displayed on an LED. The following are the key requirements for this project: - **LED Display Design:** I don't have a specific design in mind for the LED display, so I'm open to creative suggestions. It would be great if the design can enhance the user experience and make the game more engaging. - **Programming Language:** I'd prefer the game to be developed using Python. Please ensure you're proficient with Python and can create a smooth and efficient game. - **Control Mechanism:** I'll need the game to be controlled via a web interface that's accessible through a network. This is essential for user interaction and convenience. Ideal skills and experience for this project include: - Pr...

I'm looking for a professional to integrate home automation features in my living space. I'm interested in automating lighting, heating/cooling and integrating specific features for each area. Key Requirements: - Lighting Automation: I need the system to include dimming capabilities, color changing lights, and motion sensor lights. It should be able to adapt to different lighting needs and situations. - Heating/Cooling Automation: I have a smart thermostat and I would like it to be integrated into the system. The system should allow for optimal temperature control and adapt to my preferences. Ideal Skills: - Home Automation: Experience with setting up and integrating smart home features is a must. - Lighting Systems: Proficiency in configuring lighting systems with va...

We have diagrams for the cars. We want someone who can create a database of where we can find the analog fuel sensor wire under the dashboard. Project is for 1000 cars and can be long term.