Rs485 to ttl converter arduinoงาน

สามารถสอน Arduino หรือ Raspberry Pi ได้โดยงานจะมีลักษณะเป็นโมดูล หรือโครงงาน ที่ได้รับมอบหมายมา มีความรับผิดชอบต่องานสูง ตรงต่อเวลา อยู่ใกล้ ลาดพร้าว บางกะปิ จะพิจารณาเป็นพิเศษ(Removed by Freelancer.com Admin)

I need help migrating my Joomla-based website, which currently features a Currency Converter, to a new hosting server. Key Requirements: - Migrate the entire website (including the Currency Converter feature) from the existing server to a new one. - Ensure that the Currency Converter functionality remains intact and fully operational post-migration. Ideal Skills and Experience: - Proficiency in Joomla, PHP, and MySQL. - Prior experience with migrating websites, particularly those with dynamic features like Currency Converters, would be beneficial. - Strong attention to detail to ensure all components of the website are correctly transferred and operational.

I'm seeking a seasoned freelancer to devise a Derby car timer using Arduino Uno. The expected outcome will be a two-lane track device, with the ability to dictate the start and end of races, as well as display grades systematically. Key Features Needed: - Start Line Servo: To exhibit a complete rotation signaling the race's commencement. - Finish Line Infrared Sensors: These will be strategically positioned to detect the end of the competition. - Two-Lane Implementation: The structure should accommodate a dual lane setup. - Display: 7-Segment LED HT16K33 Backpack above each lane to show timing results. - Winner Identification Feature: An 8x8 matrix screen for indicating 1st and 2nd place finishes. Ideal Skills and Qualifications: - Work...

...antenna. RGB LEDs are connected to the PWM pins of the controller. 5) A waterproof (if possible) speaker must be on the opposite edge of the main board, closer to one side to leave space for wires. The speaker must be connected to a PWM pin of the microcontroller. 6) RS485 interface, half-duplex. 6a) The RS485 command should trigger an RGB LED sequence and the speaker sound effect. The command contains a reader ID. The reader accepts commands only if the reader ID matches. 6b) When an RFID card is applied, the reader reads a password-protected memory block and sends it to RS485 with the reader's 4-byte ID. 6c) The RS485 command should be able to change the reader's 8-byte ID and update it in EEPROM. 7) One ...

...developer to create a Windows-based low level keyboard emulator primarily for gaming purposes. Key Requirements: - OS Compatibility: The emulator should work on Windows systems only. - Emulation Focus: The main target of this project is to mimic keyboard inputs for gaming applications. Ideal Skills and Experience: - Proficient in Windows application development. - Knowledge in gaming input emulation. - Strong understanding of keyboard input simulation. - Experienced in backend applications. This is a unique project that requires a developer with a good understanding of both Windows systems and gaming input. A passion for gaming would be an advantage in understanding the user requirements. "Note: There is a firewall in the game, and I DO NOT want the person taking...

I am looking for an expert to build a text-to-speech converter specifically for the Hindi language. This project doesn't require different voice options for males and females. What the project entails: - Hindi language support only (written and spoken) - Text-to-speech functionality with a female voice (“Girl Voice”) Ideal skills for this job: - Experience in voice recognition technology - Fluency in Hindi language - Previous work with text-to-speech converters.

...electrical engineer to assist with spec'ing an electrical system. The system design. -I am needing to control a Nema17 stepper motor and 300watt BLDC Motor. -I already have the motors selected and the drivers for each motor. -I am wanting to use an arduino microcontroller for the controls. -I require the power supply to be as small as possible, but still being well within in a safe range of the power demand of the system. Refer to addition info regarding the sizing, or have a discussion with me on possibilities. -Additional peripheral components: 3 x Push Button, 1 x power switch, 1 x small display screen. 2 x Limit switches. What I need done. I need a freelancer to design and spec the unspecified components around the on...

...specializing in STM32 microcontrollers. I already have arduino Mega tested code which i need to convert into stm32 family Key Project Details: - Specific STM32 Model: The project will involve firmware development for a specific STM32 microcontroller model. - Application/Use Case: While not specified, the project likely involves a real-world application within the realm of consumer electronics, industrial automation, or wearable devices. Skills & Experience: - Prior experience with STM32 microcontrollers is essential. - Proficiency in utilizing various communication protocols (e.g. UART, SPI) and integrating sensors would be a plus. - Familiarity with power management techniques is highly desirable. - Experience with the specific STM32 model is needed to ensu...

I'm in need of a skilled electronic circuit and hardware engineer to help me with the design and selection of components for a project. The project involves the creation of a power supply, an analog digital converter, and a relay. Key Responsibilities: - Circuit design: I need help with creating the circuit for the mentioned components. This includes ensuring the circuit is efficient and functions as intended. - Component selection: I'll require assistance in selecting the right components for the circuit. It's crucial to choose components that are of high quality and fit the project's requirements. The ideal candidate for this job should have a solid background in electronic engineering, particularly in circuit design and component selection. Ex...

I need to design a tracker control unit for the 137 MHz band antenna system of the ground station receiving weather information from the NOAA spacecraft on Arduino. The project must be modeled at https://projecthub.arduino.cc. Need your idea and help how to implement it.

I have a list of 54 URLs, and I need someone to grab 2 images from each of them, convert them to .jpg and save them to a folder named 'Images'. Key Requirements: - Grab 2 images from each of the 54 provided URLs (all similar to below URL). 108 images in total. - Example URL is - Grab the biggest version of the image from lines 6613 and 6667 of page source code - Convert all grabbed images to .jpg from .webp - Save them to a folder named 'LC Images' - The images should be saved in the original size, with no resizing necessary. - See attached screenshot

I need a command-line program that can convert .mpz files to .xlsx files. The program should be written in Python. If anyone can do it, please send me the message. Key Requirements: - Input: The program should take a .mpz file (protected password) as input. - Output: The extracted files should be converted to .xlsx format. - Handling: The program should be able to handle files up to 200mb in size. Skills/Experience Required: - Proficient in Python programming - Experience with file handling and conversion Note: A graphical user interface is not required, the program should be command-line only.

...engineer who can help me write some code for an Arduino to help me with a hardware project to read accelerometer data / gyroscope data. I have a piece of construction equipment that is supposed to vibrate up and down, however, if a customer assembles some attachments to it incorrectly it will vibrate up and down and side to side which will damage the equipment. I want to be able to read the accelerometer data to determine my customer has placed the attachment correctly and if it's incorrect I want to display a message on an LCD screen saying "incorrect placement" or something to that regard. I need help getting the hardware to work, creating the code for the hardware as Phase 1. Ph...

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

I'm looking to develop a hardware system for a fitness rig that involves real-time human movement tracking. The system should be a combination of microcontrollers and computer vision technology, specifically using Arduino boards and Raspberry Pi. Key Requirements: - Real-time Movement Tracking: The primary functionality of the system is to track human movement accurately and in real-time. This involves capturing and processing data on various physical activities. - Minimalistic and Functional Design: I envision a setup that is small, lightweight and unobtrusive. Skills and Experience Needed: - Proficiency with Arduino boards and Raspberry Pi is a must. - Experience with computer vision, machine learning and human movement tracking is highly des...

โปรดลงทะเบียน หรือเข้าสู่ระบบ เพื่อดูรายละเอียด

I'm seeking an experienced developer to create an online script that can automate the conversion of CSV files. Script must be browser based and linux based. No preference on programming language. Source file will need to be uploaded to CSV converter, and script will sort data and rename columns based of pre-existing requirements. Once conversion is finished, download link generated to download updated CSV.

tenho um trabalho com 40 paginas, grande parte em figuras e tabelas que preciso converter de word para latex...já tenho um modelo da ufpr.

โปรดลงทะเบียน หรือเข้าสู่ระบบ เพื่อดูรายละเอียด

I am seeking a skilled and experienced Switch Mode Power Supply (SMPS) design engineer. For my particular project, we will focus on AC-DC converters and should, therefore, possess specific expertise in switc...For my particular project, we will focus on AC-DC converters and should, therefore, possess specific expertise in switching regulation topology. Here's what I need: - Mastery in designing AC-DC converters utilizing switching regulation - Ability to design a converter with power output less than 100 Watts - Experience with power electronics and circuit design Your background should demonstrate relevant projects you've completed that are particularly linked to the aspects mentioned. Your strategic and innovative thinking will be highly valuable to...

I need assistance programming an Arduino Opta PLC for remote monitoring. - The device must: - Monitor all 8 voltage inputs. - Provide access to monitored data through a web interface. Including Bluetooth capabilities and Wifi. Needs to send emails to customers or notifications to my apps. Ideal Skills: - Proficient in Arduino programming - Experience with PLC programming - Knowledge about remote monitoring and control systems.

I'm looking to develop a hardware system for a fitness rig that involves real-time human movement tracking. The system should be a combination of microcontrollers and computer vision technology, specifically using Arduino boards and Raspberry Pi. Key Requirements: - Real-time Movement Tracking: The primary functionality of the system is to track human movement accurately and in real-time. This involves capturing and processing data on various physical activities. - Minimalistic and Functional Design: I envision a setup that is small, lightweight and unobtrusive. Skills and Experience Needed: - Proficiency with Arduino boards and Raspberry Pi is a must. - Experience with computer vision, machine learning and human movement tracking is highly des...

I'm looking for a UI designer to create a modern and sleek user interface for an ESP32/Arduino and a sensor based project. The design should feature gauges and other components in various colours completing a modern and clean aesthetic design. The UI should include the following components: - Sensor Readings: The main screen should present readings from various sensors in a clear and easy-to-understand format. - Real-time Graphs: The design should incorporate real-time graphs that display data trends in an engaging and user-friendly manner. - Control Buttons: The UI must also include control buttons for user interaction. Ideal candidates should have: - Proven experience in UI design for IoT projects, particularly for ESP32/Arduino. - Proficiency in c...

I'm looking for an Arduino expert to setup an Opta PLC that can effectively monitor temperature readings. The system should be able to: - Receive inputs from different temperature sensors and digital inputs. - Monitor a vast range of temperatures from below freezing to above 90°F. - Send email notifications of temperature readings and changes every hour for remote monitoring. The perfect freelancer for this project is experienced in programming Arduino Opta PLCs, utilizing sensors, particularly those for temperature, and setting up efficient email notification systems. Beside technical proficiency, good understanding of thermodynamics would be a plus, but is not a requirement. The end-goal is an efficient and reliable remote temperature monito...

Task description I am in need of a competent freelancer with proficiency in arduino, particularly for STM32 microcontrollers (specifically the NUCLEO-G491RE model) and ESP32 microcontrollers (specifically the ESP32-DEVKITC-32UE). It needs a certain amount of inputs and outputs to begin with, but also minimum 2 outputs with PWM-control or analog 0-5V, as the motorcontroller of choice works with PWM or 0-5V inputs. Also 2 analog inputs 0-5V for 2 kinds of safety edges. Find also the list of peripherals in the attachment. The pulse generated by the motorcontroller won’t exceed 500 Hz with our current motor/motorcontroller configuration. (see peripheral list: section motorcontroller) In total we need to have: Digital inputs: 12 Digital fast inputs (counter): 2 Analo...

I'm in need of an Arduino expert who is adept at programming a small Arduino circuit to control LEDs, a motor, and sound. It will be integrated into a small, Matchbox/Hot Wheels-sized fire truck. The LEDS will flash alternately to represent the emergency lights. The motor will power the back wheels and the sound will play through a small speaker as a siren and horn. Here are the requirements for the project: I believe the Arduino MKR Zero would be a good fit since it has the integrated micro SD card holder and sound processing capabilities. It also has an integrated battery charger. The Arduino needs to be powered by a rechargeable Lithium Polymer battery like 3.7 Volts. - Control LEDs: I believe I can get by with two white 3mm LEDs...

I'm in need of a freelance electronics engineer with experience in LTSpice to design a voltage converter for me. - Purpose: The desired converter is a voltage cuck converter, meaning it should be able to change the voltage of the input signal. - Output Characteristics: The voltage output should be adjustable, allowing for flexibility in use. The output voltage range is 240 - 346 volts. - Maximum output current is 87 A. - Maximum rate of change of inductor current is 34.5 - Maximum Power is 30 kW. - Input Voltage Range: The input voltage range should be 330 to 550 volts. - Switching frequency is 150 kHz. - The project is only a simulation in LTspice. The ideal freelancer for this job should have: - Experience in LTSpice and a proven track...

I'm in need of a freelance electronics engineer with experience in LTSpice to design a voltage converter for me. The budget of the project can be much higher than 30$. - Purpose: The desired converter is a voltage cuck converter, meaning it should be able to change the voltage of the input signal. - Output Characteristics: The voltage output should be adjustable, allowing for flexibility in use. The output voltage range is 240 - 346 volts. - Maximum output current is 87 A. - Maximum rate of change of inductor current is 34.5 - Maximum Power is 30 kW. - Input Voltage Range: The input voltage range should be 330 to 550 volts. - Switching frequency is 150 kHz. - The project is only a simulation in LTspice. The ideal freelancer for this job...

I am seeking a professional and capable freelancer to create a home automation system using Arduino technology. The system should incorporate some form of MIDI control for traktor Dj software - **Expertise Required** - Strong knowledge of programming Arduino. - Prior experience in home automation design and implementation. - Proficiency in achieving interoperability between different smart home systems. - Familiarity with MIDI controls. - **Key Features** - The use of knobs, faders, and buttons on the MIDI controller to enable intuitive interaction with different systems. - Lighting control: an easy-to-use and versatile system to control various lighting fixtures around the house. Please provide examples of similar projects you hav...

...Bluetooth iOS app from scratch for controlling low-complexity Arduino devices, particularly LED lights. Key aspects of the project include: - Developing the app from ground zero: As the app isn't based on any existing software, the developer has creative license within the confines of my requirements. - Arduino Device Control: The main function is to control Arduino devices. Familiarity with Arduino-related software is strongly preferred. - Bluetooth Connectivity: The app should maintain stable bluetooth connection with the Arduino devices. - User-friendly interface: It should have an aesthetic, yet functional UI that's easy to navigate. Ideal Skills and Experience: • Extensive knowledge in iOS app development • ...

...connection between an Arduino (ESP 8266) and Firebase. This connection is essential as it's intended to control and monitor environmental sensors remotely. Key Requirements: - Impeccable expertise in Arduino programming and configuration, specifically the ESP 8266 module. - Proficiency in Firebase setup and integration. - Experience in real-time data collection and storage. - Prior work experience in remote device monitoring and control. The project entails the following key aspects: - Establishing a secure and reliable connection between the Arduino (ESP 8266) and the Firebase platform. - Programming the system to enable remote monitoring and control specifically for environmental sensors like temperature and humidity. - Ensuring real-time upd...

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

...skilled programmer to assist in developing a taekwondo scoring system. The project entails crafting code for a system comprising one master and four slave devices all to be programmed using Arduino. Wireless communication between the devices will be facilitated through the ESP-NOW protocol. The job entails several key responsibilities: For the SLAVE devices coding : 1. Each slave device should feature an initialization green LED that indicates successful wireless communication with the master device. 2. Additionally, each slave will have two LEDs, one red and one blue, which will illuminate when specific buttons (B1 to B3 for blue team, R1 to R3 for red team) are pressed by the user. 3. With a total of six buttons per slave device, each responsible f...

El programa a desarrollar permitirá controlar de forma dinámica y eficiente múltiples paneles LED RGB de 64x32 píxeles utilizando un ESP32 y el entorno de desarrollo Arduino IDE. Se podrán cargar y mostrar una o varias imágenes estáticas, así como texto en movimiento con una velocidad y dirección definidas. Funcionalidades: Mostrar una o varias imágenes estáticas en los paneles LED. Desplazar texto en movimiento horizontalmente a través de los paneles. Ajustar la velocidad y dirección del movimiento del texto. Soportar de 1 a 5 paneles LED RGB para una mayor flexibilidad en la configuración.

I have a Windows program built for media playback that I want converted into an Android TV app. This project is for a professional who has experience in converting programs from one platform to another. I'm looking to retain the primary function of the Windows program, which is media playback, in the Android TV app. i only have the .exe not more information The Android TV app should specifically include the feature of local file playback. Skills required: - Experience in developing Android apps - Experience in converting programs between platforms - Familiarity with Android TV development

I am seeking an Electronics Engineer specialized in power conversion, specifically the AC to DC conversion process (SMPS). The purpose of this project is to design and implement an AC to DC converter to serve as a power supply for an electronic device. The ideal candidate should have: - Extensive knowledge and experience in power electronics and circuit design - Proven experience in designing and troubleshooting SMPS Your responsibilities will include: - Designing a robust SMPS following given specifications - Validating the design through physical prototyping (dot board preferred) - Sharing the voltage sweep results with the proto Requirements: - Primary side: 90 VAC - 250 VAC input - Secondary side: 24 VDC (2A) and 15 VDC (3 A) (on the same transform...

...algorithms are in place but I'm in need of an IoT expert to help establish a robust Arduino-based connectivity solution. Key project requirements: - Completion of IoT connectivity: I need someone who can work with Arduino and establish a reliable IoT connectivity system. - Troubleshooting existing code: The project is partially done, and there might be some debugging required. - Documentation: I'm also looking for someone who can provide clear documentation of the implemented IoT solution. Ideal skills and experience: - Strong Arduino and IoT background: An expert in IoT systems and Arduino programming. - Familiarity with AI/ML: While not strictly necessary, a good understanding of AI/ML may be beneficial. - Good communication skills: The a...

I need someone skilled in Arduino for a robotics control project centered around security. Here's what I hope to achieve: - Integration of Arduino with an existing access control system. Ideal skills would be proficiency in Arduino programming, experience in security system control, and knowledge in automation. Your proposal would stand out if you have handled such tasks before and can complete the milestone within the budget of 2k INR. Looking forward to a successful collaboration.

Seeking someone with skills in Arduino and MIDI technology. Your task will entail creating a connection between LoraMidi AtMega1284P and Arduino IDE. The main objective here is to control MIDI devices using this interface. What I Need: - Develop a way to control LoraMidi AtMega1284P using Arduino IDE - Enable wireless transmittance of MIDI data - Develop a custom LoraMidi communication protocol Ideal Freelancer: - Proficiency in Arduino IDE - Familiarity with LoraMidi AtMega1284P - Experience in MIDI technology There is not a strict deadline for this project, and we can prioritize quality deliverables over speed. Please submit your proposal detailing how you intend to accomplish the indicated tasks.

I'm looking for an expert 3D modeler to create high-quality game objects for my project. Key objects include a club set for a club environment, as well as various types of golf sticks. The candidate should: - Expertise in 3D modeling software and techniques - Creative and imaginative in designing 3D objects - Previous experience in creating game assets/animations - Ability to follow design guidelines and coding standards - Strong communication skills and ability to understand and translate requirements. - Since the game converter 3d file tools only recognize from format file .MQO, candidate must understand how to operate 3D Application such as Metasequioa ( ) Understanding our term of product: 1 Golf Clubset Product consist of 4 items such as 1 f...

Programa para crear un radar con arduino, que imite un radar real, con un sensor de ultrasónico Hc Sr04, un servo Sg90, un botón interruptor, un buzzer, una pantalla oled 0.96 o similar. Con el interruptor debe cambiar el modo del radar: pantalla con distancia, con líneas y distancia, grabar en memoria y representar el entorno, etc.

The main purpose of this project is to broaden the mining capabilities of my current setup. I would like to have an efficient algorithm implemented that is capable of converting existing hashing power to mine using the SHA-256 algorithm. This would allow me to increase the diversity of my mining operations. Key requirements for this project include: - Developing an algorithm that can convert hashing power automatically - Primary focus on SHA-256 algorithm - Emphasis on compatibility across different systems rather than speed or energy efficiency Ideal candidates for this project will have a strong background in algorithm development, specifically relating to cryptocurrency mining. Familiarity with different mining algorithms, particularly SHA-256, is ab...

...looking for a standalone speech-to-intent system that can interact with a Linux system running Ubuntu 16.04. This system should not be dependent on the internet, and I have a c++ application already running within the Linux system. This application would need to be made to run within the arduino or other. Would like to eventually move to a chipset if able. Key Requirements: - Voice Recognition: The system should have high accuracy voice recognition capabilities. - Intent Extraction: It should be able to extract specific intents from the recognized speech. - Standalone Operation: The system should function independently without requiring an internet connection. Specific Intents: - The system should be able to recognize an...

...experience in MATLAB-Simulink to assist me in simulating DC arc faults in a photovoltaic (PV) system. Key Project Details: - The primary purpose of the PV system is power generation. - I need the simulation to provide details on basic electrical parameters and arc dynamics. - I need the simulation using different arc models (Cassie, Mayr, Habedank, Kema, Paukert, Modified Paukert, and Heuristic model). - The Pv system should be connected to the grid. - The Pv system should have a dc-dc converter and inverter. The ideal freelancer for this project should have: - Strong expertise in MATLAB - Simulink - Experience with simulating electrical systems - Familiarity with photovoltaic systems would be a plus - **Fault Duration and Conditions**: The simulation shou...

I am looking for an experienced Arduino programmer to assist in developing a gesture recognition system. This project entails programming sensor applications specifically with motion detectors, proximity sensors, and an accelerometer gyroscope. Ideal skills and experience: - Comprehensive understanding of Arduino programming - Prior experience programming for motion detectors and proximity sensors - Familiarity with accelerometer gyroscope functioning - Previous work with gesture recognition systems will be highly advantageous. The main functionality of the project will be to fully implement and troubleshoot the gesture recognition system in Arduino. Assistance from prototype development to final testing and optimisation is expected.

I am seeking a proficient PCB Designer who can help me design a PCB layout for Buck Boost Converter circuit. The project specifics are: - The PCB is only two layers. Front copper layer and Back copper layer. - KiCad is the software to be used. - Working with both through-hole components and surface-mount devices to develop the PCB. - The primary application of this board is for prototyping, so accuracy and attention to detail are a must. Please make sure to include examples of your past PCB designs in your proposal if available.

I'm in need of an Arduino Programmer with expertise in DC motor control, programming logic, and inductive proximity sensor integration. Specific tasks include: - Programming logic for the DC motor microcontroller - Integrating an inductive proximity sensor for object detection - Implementing a speed regulation function (slow start, slow stop, foward, reverse speed and delay start) for motor control Please find the project detail on the attached document.

I'm in need of an electronics professional who can convert my detailed Arduino connections into a clean, organized schematic diagram. - You will work on the Digital input/output pins, Analog input pins, Power supply connections, literally all connections of my Arduino setup. Essential Skills and Experience: - Knowledge of Arduino - Proficiency in creating schematic diagrams - An eye for detail, and great organizational skills. A schematic will help us represent my setup visually. Our goal is to have a convenient direction for future referencing. In your bid, please include examples of similar work you've done in the past.

Preciso de um Webdesingner parar converter e/ou criar páginas a partir de LandingPages e Outros, para Shopify e Woocomerce.

I'm seeking an Arduino developer who can provide me with a simple code for the 'ESP-WROOM-32' board. My project requires configuring the Arduino to produce a specific light blinking pattern. The trigger for this action will be a warning light in my dashboard. Details: - The ESP-WROOM-32 board is my Arduino of choice. It should be programmed to perceive the status of my dashboard’s warning light. - Once the Arduino detects that the warning light is on, it must signal for another light to blink. -I want to splice into another warning light on my car instrument panel and use the power feed on that as my input signal for the arduio - I prefer the blinking pattern to constitute 5 blinks, followed by going out...