433mhz rf transmitter and receiver arduinocông việc

điều khiển nước trong bình bằng 2 chế độ : - Chế độ 1 : sử dụng cảm biến siêu âm siêu âm chống nước để điều khiển nước theo chiều cao ( <10cm thì bơm chạy . bơm đến khi >40cm thì dừng và van điện từ hoạt động để xả nước ra ) -Chế độ 2 : sử dụng cảm biến mực chất lỏng để điều khiển ( 1 cái gắn bên trên, 1 cái gắn bên dưới ) . bơm nước đến khi cả 2 cảm biến đều có tín hiệu thì van điện từ hoạt động để xả nước ra * điều khiển bằng công tắc xoay 2 vị trí và hiển thị các thông số trên lcd như lưu lượng , chiều cao (khi dùng chế độ 1 ) , cảm biến nào hoạt động ( khi ở chế độ 2 )

Dùng arduino điều khiển động cơ step mở van nóng lạnh thông qua cảm biến nhiệt và nút cài đặt nhiệt độ theo mong muốn

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 Chí Min...

Mình hiện tại có 1 hệ cân bằng gồm Arduino, servo, gear, thanh thẳng để banh. Mình đã hoàn thành và chạy tốt. Nhưng yêu cầu thêm là cần phần bản vẽ P&id nữa thôi. Hình bên dưới là bộ điều khiển PID. (nội dung job là so đồ P&ID).

thiết kế và lập trinh mạch arduino giao tiếp điều khiển với module sim

Thiết kế 1 websever để nhận và gửi dữ liệu từ cảm biến esp32. các tín hiệu thông qua mạng wifi hoặc blutooth. Đầu đọc chất lượng nước theo như thông số cảm biến nhưng tín hiệu đưa về là vôn, tín hiệu xuất ra như của cảm ...nước theo như thông số cảm biến nhưng tín hiệu đưa về là vôn, tín hiệu xuất ra như của cảm biến " phần này là cảm biến có sẵn đơn vị, chỉ có đổi đơn vị đầu vào thành vôn". thiết kế mạch EC meter qua chương trình Orcad hoặc Proteus. In mạch EC metter. Cảm biến TDS "EC Metter" ...

Thực hiện sợ đồ, gia công sản phẩm có sẵn, thêm tính năng xoay 180 độ cho sản phẩm nhờ servo!

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)

Tham gia dự án port một ứng dụng iOS sang Android. Đây là ứng dụng tính toán phục vụ cho học sinh/sinh viên. Yêu cầu: + Có kinh nghiệm 1 năm trở lên. + Có tư duy lập trình OOP tốt. + Nắm được Java Core (Java 7, Java 8 features). + Thành thạo xử lý layout, thread, service, broadcast receiver, custom views…. + Biết sử dụng Android Studio, SVN, Git + Có khả năng tự tìm hiều các công nghệ, thư viện mới. + Có trách nhiệm với công việc mình làm

Sử dụng cánh tay 3D vẽ theo mẫu có sẵn , in 3d Sử dụng Arduino Mega 2560 + Ramps 1.4 shield Hiện đã có mô hình

FM transmitter(Xilinx)-fpgaFM transmitter(Xilinx)-fpgaFM transmitter(Xilinx)-fpga

- Đọc ghi dữ liệu vào thẻ tag RFID chuẩn ISO15693

- Viết phần mềm ứng dụng trên android (mobile or tablet) để thực hiện truyền và nhận dữ liệu với thiết bị khác (bộ truyền tin RF) ở tần số 408,925 MHz. - Thông số và chuẩn giao tiếp của bộ truyền tin RF như sau: o Tần số hoạt động (central frequency): 408,925 MHz o Công suất tối đa (transmitting power): ≤ 9,8 mW o Độ nhạy (sensitivity): -105 dbm o Giao thức truyền tin (transmitting protocol): 4800 bps, 8 data bits, 1 stop bit, no parity. o Khoảng cách tối đa có thể đọc dữ liệu (transmitting radius):  Không có vật cản: tối thiểu 40m  Có vật cản là tường bê tông dày 20cm: tối thiểu 20m.

...skilled mobile app designer who can redesign an existing android app and also make for IOS. there will be two versions (android / Ios) EDITED: this project is not only to change the color or the images to the current app. you need to know about programation in arduino, bluetooth and android ,, because this app will manage a lock using the smartphone. I send you the current android app in order that you could understand and know how the buttons work please do not offer your job if you can not open the current job and see how it works Key Requirements: - The design modifications primarily focus on be friendly and easy to use - For the user interface, I'm looking to make changes to the color scheme, font styles, and the overall ...

I'm looking for a talented graphic designer to create a modern and minimalistic design for a set of scripture cards. These cards will be used as gifts for friends and family, so I'm aiming for a design that is simple and elegant. Key Requirements: - Modern and minimalistic design: The style of the cards should be clean, contemporary, and uncluttered. - Experience with typography: Prior experience with text design would be highly advantageous. - Understanding of gifting culture: A keen understanding of what makes a gift special in the eyes of the receiver, and how design can contribute to that, will be a big plus. Deliverables: I'm open to suggestions on the format for the scripture cards. I'm looking for your expertise ...

I am looking for a reliable package receiver in west of Ireland who can handle packages. The ideal candidate should be able to receive and process packages with specific items expected. The expected turnaround time for receiving and processing packages is within 1 week. Skills and Experience: - Experience in package handling and logistics - Ability to handle packages weighing more than 10kg I need someone who can receive the packages and hold them, until I get someone to collect it from your place. The products would be something like clothes, electronics, cosmetic items.

I have Arduino code and a svc model and I’m using a application called Blynk for visualization I want to send the reading of the moisture sensor to the svc model as an input for prediction and send the prediction back to the Blynk or Arduino so if the output is 0 it stop watering and if its 1 it start watering

I have Arduino code and a svc model and I’m using a application called Blynk for visualization I want to send the reading of the moisture sensor to the svc model as an input for prediction and send the prediction back to the Blynk or Arduino so if the output is 0 it stop watering and if its 1 it start watering

Setup: 6 amp Stepper Motor With External Micro Controller. Two Buttons (switches) Desired Action: Press and release button #1 motor CW, accelerates and travels to an assigned location, decelerating to a stop. Pressing this button a second time will stop the motor. Press and release button #2 motor CCW, accelerates and travels to an assigned location, decelerating to a stop. Pressing this button a second time will stop the motor.

More details: What type of communication method would you like the smart watch kit to use? GSM Do you want to send only text messages or multimedia messages as well to the smart watch? Only text messages What type of phone will you be sending messages from to the smartwatch? iPhone All I require is a code which enables me to send messages from my iphone 11 onto this Arduino board.

...ESP32 programming, specifically having an in-depth understanding of RTKLIB's implementation and RTCM conversion. The task includes: - Coding, making the ESP32 project work in coordination with the RTKLIB to function optimally - RTCM (Radio Technical Commission for Maritime Services) code conversion is needed. Particularly converting RTCM messages 1005, 1077, 1087 to 1006, 1004, 1012 and adding 1033 - The ideal candidate for this project needs to be familiar with the RTK rtcm and how to utilize the 'TADJ = 1' variable in the RTKLIB to enhance positioning accuracy and aid in correcting transmission errors. If you have the skillset, including an understanding of sensor data processing and receiver clock adjustments, please appl...

...need of an expert to design and develop firmware for real-time tracking in an indoor positioning system using UWB modules. Your expertise should include: - Firmware development for Qorvo Decawave UWB modules (DWM1001C) - Firmware development for nRF52832 - Understanding and implementation of Real-time tracking with multiple tags and anchors - Knowledge of indoor tracking systems I expect the resultant firmware to offer efficient and accurate real-time tracking. Please only put a bid if you have relevant experience and are confident in this area. Your portfolio of similar projects will be asked for review. As a reference; firmware needs to be designed to work with 20 tags and 20 anchors in the same zone. Tags will be communicating o...

We need RF Engineer/ Rigger Responsibilities for our project, Our company : Beetel Tele tech limited, Need candidates for below locations, Coimbatore Hosur Tirupur Vellore Tirupati Hyderabad Nizamabad Medak Nalgonda Khammam Ratnagiri Aurangabad Latur RF Engineer/ Rigger Responsibilities: • Ensuring RF test equipment is calibrated to industry standards. • Testing, cleaning, and packing field equipment. • Traveling to customer locations and field sites. • Testing the performance of existing wireless networks. • Analysing RF broadcasting equipment and suggesting improvements. • Using computer software to design RF installations for new wireless networks. • Troubleshooting network issues. • Ensuri...

...Aurangabad Latur RF Engineer/ Rigger Responsibilities: • Ensuring RF test equipment is calibrated to industry standards. • Testing, cleaning, and packing field equipment. • Traveling to customer locations and field sites. • Testing the performance of existing wireless networks. • Analysing RF broadcasting equipment and suggesting improvements. • Using computer software to design RF installations for new wireless networks. • Troubleshooting network issues. • Ensuring regulatory standards are met. RF Engineer Requirements: • Bachelor's degree or Diploma in electrical or Electronics engineering • 1-3 years' experience as an RF engineer in the mobile telecommunications...

I need a Flutter developer for a website, I want you to create an automation website that generates ( SMS iPhone videos ) the website is gonna be like this 1- there is an empty SMS template 2- the user adds the text in every part ( sender - receiver ) 3- click okay and the website generates the video 4- the video has to be like that ( one message at a time, voice over for every message, background video game ) here is an example of what I want exactly: @

I'm in need of an expert who can carry out a task that involves eavesdropping on Thuraya satellite communications using a Hack RF receiver. This task is for research and analysis purposes. Your main responsibilities will include: - Real-time eavesdropping on Thuraya satellite communications. - Extracting specific information including location data, voice communication, and details of data transfers. The ideal freelancer for this project should have: - Proficiency in working with satellite communication systems. - A strong understanding of Hack RF receivers. - Experience in data extraction and analysis. Please be sure to include any relevant experience in your proposal. This is a complex task that requires specialized skills, so relevant ...

I'm in need of an Arduino ESP32 BLE Beacon that can help me locate my position. Its key function will be to triangulate its position based on three central beacons in an indoor environment. Key Requirements: - The main goal of this project is to create a beacon that allows me to know my position inside indoor spaces, such as offices and warehouses. - The system should be designed to provide a medium level of precision in position tracking, with an accuracy of up to 5 meters. Ideal Skills and Experience: - Proficiency in Arduino and ESP32, with a strong understanding of BLE (Bluetooth Low Energy) protocols. - Prior experience in designing and developing beacon systems for positioning. - A solid understanding of indoor positioning systems ...

In this exciting project, I'm looking for a freelancer gifted in system integration to apply Arduino-powered robotics interfaced with IoT devices. Your role includes: - Implementing well-structured Arduino programming concepts dedicated to robotics. - Leveraging your strong background in system integration. - Using your extensive experience with IoT devices to smoothly integrate them with the Arduino robotics. A working knowledge of robotics design and construction is beneficial, but not necessary. Only those with proven experience in similar projects, particularly involving Arduino and IoT interconnection, should apply. I'm excited to see your creativity at work on this project.

...designed for ESP32 arduino. Here is the specifics: - Integrate user authentication functionality, file input/output, and error handling into the previous codebase. - Implement RTCM messages code for real-time positioning corrections, data integrity checks, and network communication. The successful candidate will ideally have the following skills and experience: - Proficiency in C++ programming, including libraries and message coding. - Extensive understanding of RTK library and RTCM messages. - Experience with ESP32 Arduino. - Strong troubleshooting and problem-solving abilities. The original code is completed. All you need to do is adjust and ensure its seamless operation with the ESP32 Arduino code. Your work i...

Estou desenvolvendo um projeto com a seguinte proposta: fazer a medição e análise de vibração de um motor. Características: estou utilizando um sensor MPU6050 para fazer a medição analógica da vibração. Esse componente é um acelerômetro e consegue medir a aceleração nos eixos X, Y e Z. Estou usando uma ESP32 para fazer o processamento e fazendo a programação dele através do Arduino IDE. Preciso que o MPU6050 faça a medição nos três eixos e com base nos valores coletados, o programa consiga aplicar a Transformada Rápida de Fourier (FFT) desses dados, convertendo os valores do domínio do tempo para o da frequência, ...

Usando la placa de desarrollo ESP32-S2-DevKitC-1 (la que trae el led rgb), conectar a internet en modo station y hacer peticiones a un servidor de prueba (puede ser de esos gratuitos o instalarlo en el propio PC) para transmitir un dato a la internet (puede ser una cadena de caracteres). Hay que considerar que el led RGB debe usarse ...internet en modo station y hacer peticiones a un servidor de prueba (puede ser de esos gratuitos o instalarlo en el propio PC) para transmitir un dato a la internet (puede ser una cadena de caracteres). Hay que considerar que el led RGB debe usarse para indicar cuando se envía un mensaje (que use algunos colores). Idealmente debe realizarse en la plataforma PlatformIO con la herramienta ESP-IDF (NO ARDUINO). Para la placa ESP32-S2-DevKitC-1 (no...

We're looking for someone who can make a few changes to a PCB using Altium Designer and has experience and an education in electrical engineering. It would also be an advantage if you are familiar with the ESP32C3, creating circuits is not a problem for you, but it is also not a problem for you when troubleshooting, especially in the RF area. Out of discretion, we do not want to post the exact requirements publicly. However, we will send this to you in advance to discuss working hours and price if the requirements match your profile. Thank you

I'm seeking a capable programmer with expertise in using C and Atmel Studio and a good understanding of Atmel microprocessors. The project involves developing a Simple Program capable of: - Reading analog sensor values - Reading digital input signals - Controlling digital output signals Using a combination of analog and digital inputs and outputs is key to the project, so demonstrated experience in this area is required. Prior knowledge of Arduino would also be beneficial. The right freelancer should be proficient in microprocessors, specifically with Atmel typed ones, and comfortable using both digital and analog inputs and outputs. Familiarity with wireless communication protocols is an added bonus.

I need help using Squareline Studio and having arcs that are displayed on a touch screen to print their values to the serial monitor of Arduino IDE

I need a freelancer to assist me in connecting my MIT App Inventor to my HiveMQ broker. The main goal of this project is for me to gain knowledge and understanding about IoT connectivity. I have the arduino code working succssfuly when I enter the topic and the message manullay in HiveMQ broker. Now I like to use MIT App inventor to connect to broker and passes the topic & messages Key requirements: - Connection of MIT App Inventor to HiveMQ broker - Ability to switch ESP32 LED on/off Ideal Skills: - Proficiency in IoT connectivity - Experience with MIT App Inventor and HiveMQ - Strong understanding of ESP32 and MQTT protocol

I Have Citrix XenApp 7.18 installed in my test environment everything working ok using Citrix workspace and receiver application what I am looking for Configure Citrix XenApp to enable users to access Citrix Receiver from the web using HTML5 technology, without the need for a Citrix Gateway appliance.

...operation from Arduino-Pymite to cc65 for Commodore 64. Notably, the step requires a comprehensive skill set: - simplified version - original version • Proficiency in the usage of cc65 and familiarity with Pymite. • Exceptional attention to details to achieve full compatibility between Arduino-Pymite and cc65 for Commodore 64. • Ability to exhaustively test and debug for optimal performance. As I have not started to work on this, it's essentially a from-scratch operation. Moreover, full compatibility between Arduino-Pymite and cc65 for Commodore 64 is a non-negotiable requirement. Fortunately, I will be providing all necessary resources, which include required tools, firmware, and hardware for testing

I'm in need of a talented PCB designer who can assist in creating a simple but effective PCB for a power supply. Key Responsibilities: Need a Small PCB which will contain NodeMCU, 4 Relay, AC to DC 5v. This board is for home automation project which will connect through WIFI, RF and control all home appliances. Ideal Skills: - Proven experience in PCB design. - Understanding of basic power supply principles. - Proficiency in PCB layout softwares, like Altium or Eagle. This is a straightforward project suitable for a skilled PCB designer looking to take on a quick gig.

I am looking for a skilled PCB designer to create a prototype that fits within a medium-sized, 2 to 4 inch space. This PCB should be tailored to contain an Arduino Mini and a 12V to 5V buck converter, with 3 pin and 2 pin JST GH connectors. The configuration of components on the PCB should follow a clustered arrangement to maximize space efficiency. This job does not require mass production capability at this time, with the primary focus being on creating a single prototype. Ideal candidates should have experience with Arduino components and compact PCB design.

Using 3 boards of Arduino Uno WiFi R4, and using my home WiFi network, I want to have one of the Arduinos act as the Master Controller and be able to exchange commands with the other two Arduinos (acting as clients). I am attaching a file that describes specifically the assumptions you can make, the initial configurations of the Arduino boards and the operational requirements for the Controller and each of the clients. The communication network needs to be my home WiFi and the template sketch should be very well document to understand all the parts or blocks of the code so I can tailor it to my own needs. The project should be fully tested and list or include all the libraries needed.

...a prop builder and I'm in need of a skilled Arduino programmer to assist with a stepper motor project. I have an Arduino Uno and a CNC shield, and need help in programming them to make my stepper motor move back and forth at different times. Im building the opening scene can opener in Back to the Future. marker 2:20 This is for my cat Daisy, I want to make an automated can opener because Back to the Future is my all-time favorite movie and it would be so fun to make and have. I started 3d modeling it back in college for a project but COVID ruined my class and never got to learn Arduino... I have pretty much all the pieces and mostly figured out how everything should work. The key requirements are: - C...

I hope you are good. I have read your description carefully and understand everything. I’m Electronics engineer who have 25 year experience on analog design, renewable energy, power electronics, motor control, microcontroller coding and PCB design. I have used Arduino, PIC, MSP430, C2000 and STM32 for 8 years. I have developed several codes by using their IDE and compilers. I know all principles of them. And I can do microcontroller simulation by using Proteus. Proteus have microcontroller model and peripheral components to simulate the code. The code can be debugged by using COF file also. Simulation result is same with real time application.

I am in need of a seasoned developer with proficiency in working with RF modules and LoRa technology, or similar, to create a system that can compute the distance between two RF modules. I am seeking a skilled developer to create a system that calculates the distance between two RF modules using LoRa technology or a similar module. The system should operate within the 2.4 GHz or sub-GHz frequency bands. Required precision of the measured distance in outdoor environment is 10 meters (can be 100 meters in the first version). If you have expertise in RF communications and embedded software development, I encourage you to bid on this project.

We are seeking an experie...software systems to send update to database for account permissions to be assigned. This can be done via API to 2 platforms. Your main task will involve: - Developing and implementing an Arduino-based automation control system suitable for an industrial environment. Skills and Experience Required: - Robust experience with Arduino platforms; - Extensive knowledge and demonstrable experience in IoT development; - Expertise in implementing automation control, preferably in an industrial setting; - Problem-solving skills and ability to work independently. This project offers the chance to engage with specialized technology and contribute to the growth of industrial IoT applications. Therefore, any examples of p...

Write and read APDU data from/to an SD card using Arduino Nano.

...capabilities of ESP32 - Arduino. In particular, we need help from developers who can demonstrate their understanding of this platform through a demo project. Looking for a simple ESP32/Wifi project for color mixing with LED lightbulb. This is a simple demo project to show WiFi connectivity using the ESP32 microporcessor Using ESP32, 64x128 oLed, one button and 3 LEDs, 10K potentiometer, 1602 LCD (non I2C) Dial in R color using potentiometer 0-255 – Press button, show brightness on RED LED Dial in G color using potentiometer 0-255 – Press button, show brightness on GREEN LED Dial in B color using potentiometer 0-255 – Press button, show brightness on BLUE LED Colors will show on individual LEDS after each button press Press button again to “send&r...

I need an expert in Arduino programming to develop a script for a 6.0A stepper motor, which will be used to enable the continuous running of the stepper motor in both directions, with a stop command. The motor should reach a maximum of 60 RPM. Key Features: - Variable Speed Control: The system should be designed to provide the ability to adjust the RPM between cycles progressively. Ideal Skills for the Project: - Proficiency in Arduino programming - Extensive experience with stepper motors and variable speed controls. - Practical experience in robotic arm operation would be beneficial. If you are the right fit, I'd be glad to brief you on the project.

...develop camera safety solutions utilizing AI to monitor and detect objects and risky events. We prevent collisions and accidents, ensure workers' safety, and provide assistance to HSE managers. Our systems are helping all over Europe, and in the future, we plan to expand to other continents, too. What are we working on right now? Currently, we are developing a brand new safety system SPARK from scratch. It's an exciting and innovative project with plenty of challenges. That's why we are looking for a software enthusiast to join our development team, who will take care of developing the front-end of our web app and assist with simple backend modifications. You are the right fit for us if you: - have advanced knowledg...

...carefully and understand everything. I’m Electronics engineer who have 25 year experience on analog design, renewable energy, power electronics, motor control, microcontroller coding and PCB design. I have used Arduino, PIC, MSP430, C2000 and STM32 for 8 years. I have developed several codes by using their IDE and compilers. I know all principles of them. And I can do microcontroller simulation by using Proteus. Proteus have microcontroller model and peripheral components to simulate the code. The code can be debugged by using COF file also. Simulation result is same with real time application. I have 8 year experience on Arduino and know all principles of it. I’m using Atmega chip instead of Arduino boa...

I'm looking for a skilled mobile app developer to create a cross-platform app for both iOS and Android that is specifically designed to control a Bluetooth device. The app should have the following capabilities: - On/Off control: The primary function of the app is to switch on/off the Bluetooth device. - Set specific parameters: The app should allow users to set certain parameters on the device. - Draw trends of specific variables: The app should be able to illustrate trends of specific variables related to the device's performance. - Show and manage (download) log files: The app should have the capability to display and manage log files stored on the device, with the ability to download them. - Show the value of specific parameters: The app should display r...