Dc to dcJobs

...required: 1- We want to read the wind speed through a anemometer with a frequency up to 800 Hz , and accordingly lock the brake when it exceeds a certain speed and release the brake when the wind speed decreases. i have the anemometer equation outputs required : 1- 2 relays to control dc motor direction ( the motor with 3 wires com, cw, ccw) 2- 4 led indication lights break, release, alarm , running inputs required 1- spst selector key switch (automatic / manual) 2- 2 push buttons for manual mode (break/ release) 3- 2 limit switches to stop the motor when reach the end point 4- reading AC status through 220vac-24vdc power module (on/off) - the programming should be remotely on my laptop by anydesk - the control panel ready to install th...

I'm in need of an artist skilled in hand-cut silhouettes with a modern, custom twist. These will be small - 5x7 or medium 8x10 inches in size. Locations: New York, Boston, DC, Philadelphia, Atlanta Dates: 4/20, 4/27, 5/4 11am-3pm Ideal Expertise: - Has experience in custom, modern silhouette art - Has proficiency in hand-cut medium Expectations: - Deliver high-quality, finely detailed silhouettes - Maintain consistent size as requested (5x7 inches)

I have a wiring diagram for my ...diagram for my lighting system. Hardware I am using: - 3.3v to 5v Logic Level Converter Module - NE555 DC Delay Relay (5v version) - DC to DC 12v to 5v Step Down Converter Module (5v, 3a output) - WT32-ETH01 (running WLED) - Wago Connectors - 12v Power Supply I need you to assess my wiring diagram, tell me why it's not working as intended and tell me how to rewire it. I will then follow your instructions. You're required to work with me until it is working as intended. My level of knowledge in this department is low. I can solder etc, but when it comes to understanding wiring diagrams found online, it's beyond my level of knowledge, so I need someone to not only...

Dear Freelancer : here is the description of the project, please look at PDF description: The mechanical system that needs to be developed consists of 3 different main parts: - a DC motor (3V7) with gearbox, - a short plastic piece X connected to motor shaft (rotating RED COLOR) - a long plastic piece Y connected to X and use grease and mounted on external shaft (indicated by PINK COLOR) A printed circuit board will be equipped with the correct transistor drivers while the motor signals (pulsating or not) will be generated by a microcontroller The intention of this design is that 2 identical pieces of Y (call Y1 and Y2 for reference purpose) can move synchronously together (exactly same movement) or individually (opposite of each other lets say or one moving and...

English: I am seeking an electronics expert to develop a custom Printed Circuit Board (PCB) for a DC-DC Step-Up Boost converter with the following specifications: Input Voltage: 20 to 30V Output Voltage: Adjustable from 35 to 52V Current: Support up to 8A Specific Requirements: Maximum Voltage Adjustment: The board must include a method for adjusting the maximum output voltage limit. Current Limit Adjustment: Implementation of a system for adjusting the current limit through a 0 to 3.3V input signal, where 3.3V corresponds to the maximum limit of 8A. Shunt Resistor and OPAMP: Incorporation of a shunt resistor with OPAMP, including potentiometers for fine calibration. On/Off Function: The board should allow the option to switc...

I am in need of an Electrical Engineer who has hands-on experience in designing bus bars for high current systems. I have a project that involves the creation of a copper bus bar capable of carrying 1000 Amps DC used to connect various electrical components. Key requirements include: - Bus Bar Material: The prime material for the bus bar should be copper due to its excellent conductivity. - Connective Capability: The bus bar's prime role is to serve as a conduit to connect different electrical devices. It must be expertly designed to efficiently distribute high voltage. - Heat Resistance: Given the high current passage, the bus bar should withstand high-temperature conditions without any compromise on performance and safety. I am keen on ...

I'm seeking an experienced Electrical Engineer to design a small-sized custom Printed Circuit Board (PCB) with integrated ESP32 and DRV8833 motor control drivers and 18650 rechargeable bttery. - PCB Size: The PCB should be small-sized, built with quality and precision, and space-efficient. - Motor Control: It needs to control a DC Motor using DRV8833 motor driver, ensuring optimal performance and minimal signal interference. - Voltage Range: The PCB should be designed to handle an input voltage of 5V, ensuring it's safe and efficient. - Battery: The design should incorporate a rechargeable battery without compromising the compact size. The ideal candidate should have proficient skills and experience in PCB design, electrical engineering, and ESP32 i...

I'm looking for an expert in motor control systems who can help me synchronize two 24V DC motors to improve efficiency. The project involves designing and implementing a physical interface to control the motors. Ideal Skills & Experience: - Extensive experience with DC motors - Proficiency in motor control systems - Knowledge of physical interface design - Experience with handheld remote control systems Your Role: - Develop a way to synchronize two 24V DC motors for increased efficiency - Design a physical interface to control these motors - Ensure the system can be operated through a handheld remote control - Validate the system's performance and efficiency.

I want to migrate a specific C# application to Xcode for MacOS Sonoma (14.4). This app is responsible for controlling a programmable DC Power Supply and this functionality must be maintained in the new version. Key Requirements: - The interface should emulate the layout of the current C# app - Must preserve the specific voltage/current settings from the original application Ideal Skills: Freelancer(s) will have a proven background in both C# and Xcode, with a focus on porting between platforms while maintaining functionality. Knowledge of programming for DC Power Supply control via the built-in UART would be a huge plus. The ability to recreate specific layout designs in Xcode is also crucial.

Design and build a sine wave signal generator. The specifications are as follows: - Sine wave output in the range of 40.0-50.0kHz. User adjustable via potentiometer. - The maximum output voltage 20V. - You select power supply (110VAC 60Hz to DC). - BNC output connector. - 3-digit frequency display (plug into PCB via a socket). Design circuit, create PCB layout and manufacturing files, and arrange for 4 PCBA prototypes to be built and shipped to me in the USA.

I am looking for a professional who can develop a controller for a 24V DC VSD pump and a 24V AC (0-10V) mixing valve. This setup requires an analog voltage control interface (0-10V). The contractor needs to have: - Experience with control system design, particularly with mechanical systems. - Understanding of analog voltage control. - Hands-on experience with the specified pump and valve models. Technical knowledge of these components is key. This project will entail interfacing control systems with the selected hydronic pump and mixing valve models. Prior experience with similar projects is a plus.

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Looking for someone to extract data of notary & apostille services providers (Washington, DC is super important of all states) in different parts of US. (Company Size 10-100) You’d be responsible for finding stuff like company names, websites, email addresses, and addresses, sorting them by state and city if you can. We need someone who’s good at web scraping, pays close attention to detail, and can make sure the info they find is spot-on. Attached is an sample of data we are looking for, apply only if you can extract the same type of data.

I am looking for a seasoned professional who can develop a BLDC (Brushless DC) motor control system for my industrial automation project. Requirements: * Experience in BLDC motor controls is essential. * Must be proficient in serial communication systems, particularly UART, SPI, and I2C. * Knowledge of optical encoders is paramount as this will be our preferred feedback mechanism. * Past experience in industrial automation projects will be highly beneficial. * Familiarity with safety and regulatory standards in the industrial automation sector is an added advantage. By the completion of this project, the BLDC motor control should work seamlessly with the rest of our system, supporting effective and efficient operation of our industrial processes.

I'm in need of a highly skilled expert in Machine Learning and Data Science who can handle complex categorisation tasks. SKILL REQUIREMENTS: - Proficiency in Python is non-negotiable. - Comprehensive u...Science who can handle complex categorisation tasks. SKILL REQUIREMENTS: - Proficiency in Python is non-negotiable. - Comprehensive understanding and practical experience with Supervised Learning techniques is vital to this project. PROJECT SPECIFICS: - You will be primarily dealing with text data. You must be adept at parsing and manipulating such type of data for the categorisation process. Your expertise in these areas will be crucial for the successful completion of this project. If you possess these skills and have a penchant for perfection, start your bid with ...

I am looking for an electrical engineer with experience in DC-DC converter design to review and optimize my current design. The goal is to improve cost and performance. Key Project Requirements: - Review Capacitance Calculations and Components - Review Inductance Calculations Switching Frequency: 24-60kHz Input Voltage: 200-600V Output Voltage: 48V Output Current: 70A Ideal Skills and Experience: - Deep understanding of DC-DC converters - Experience in cost reduction and performance enhancement - Ability to work effectively under design constraints This is a complex task and therefore, understanding of power electronics is a must. Looking forward to your bids!

I'm on the lookout for a freelancer who can help me gather data. Specifically, I need information on companies offering Notary & Apostille services, totaling 2500 companies with any available email addresses, based in the USA. While I prioritize those in Washington DC, feel free to include companies from other cities too. Keep a sample of 10 leads ready, before you send a proposal (write, "Berry" in the proposal if you have the sample ready)

I'm seeking a skilled engineer to design a generator set powered by a 40 hp 1500 max rpm tractor's PTO. The design must be versatile, providing both DC for SMAW welding (9-48V, 10-500A) and AC power (15KW, 120 or 240V) for appliances. Required Features: - Utilization of an auto alternator or generator. - 12V or 24V battery system. - Digital or analog inverter - Some form of rheostat control for controlling welding amperage - Considerations for grounding and circuit breakers. - Peak performance at optimal rpms and comprehensive voltage regulation. - Off the shelf components highly desirable, so equipment specifications are more important than exact sourcing - Other than specifications for safe spacing of components, mechanical design is not required. Safety Featur...

...electrical engineer to write and publish a paper on dc microgrid in the IEEE journal. The specific topic of the paper is dc microgrid with distributed control and focusing on controlling charging and discharging of the battery. Key Points: - Understand the dynamics of a distributed DC microgrid system, incorporating elements like AC/DC and DC/DC converter (Grid, Battery, EV, Wind, and Load). - Delve into the mechanisms of controlling the charging and discharging cycles of the battery within the system. Requirements: - The paper needs to be written from scratch, with low plagiarism, and co-authorship cannot be given. - Please check the DC microgrid simulink file for laboratory setup system. It consists of Grid AC/DC ...

As a architect in DC, I'm currently on the lookout for a proficient and experienced freelance MEP Engineer. I require a specialist who can take on the design of MEP systems for a residential project I'm overseeing. My requirements for the project are: - A thorough and optimal design for Mechanical systems, particularly HVAC - An efficient and safety-compliant Electrical system design - A detailed and durable Plumbing system design The perfect candidate for this project should boast the following skills: - Profound experience in residential projects. - Demonstrable expertise in designing MEP systems. - Proven knowledge in energy-efficient solutions. - Strong understanding of Mechanical systems, Electrical systems, and Plumbing systems. If you have all these abilities, ...

...will provide you with intial design but you need to improve it and make it working, also the design should be able to have holder with another small module (DC-DC stepup module ) so you can scrow it to the main board and do the communiation ( will discuss more in video session ) So the board should have the following components : 1- ESP32 Devkit board ( as long as the board support WIFI has USB feel free to use it here) 2- DC-DC step up voltage ( MT3608 ) (this is a module you need to stick it to the main board and link its inputs and outputs 3- single Relay (HFE10-2/12-HT-L2) 4- two are port WJ500V-5.08-2P 5- USB of ESP32 DevBoard should be accessible from outside too 6- variable resistor just like on MT3608...

I am looking for an experienced electrical engineer to design a 20A DC (3-6Volt) to 220-450V AC Solid State Relay. The primary purpose of this relay will be to control inductive loads, specifically the inductive load in motors. The primary requirements for the project are as follows: • Experience in designing Solid State Relays. • Profound knowledge of the conversion between DC and AC power. • Ability to create a design that effectively regulates voltage levels. • A keen understanding of the specifics of working with inductive loads, particularly those present in motors. Moderate importance is placed on the minimization of heat generation in your Solid State Relay design. While an effective temperature control in the solid st...

Looking for a Ros2 expert to create a hardware interface for a direct current motor, which will be used with my current Ros2 control system. **Key Requirements**: * Craft a way for the Robotic Operating System 2 (Ros2) to control a direct current (DC) motor * The interface should also be able to aid in the data retrieval from encoders **Ideal Candidate**: - Deep understanding of Ros2 Control - Solid background in hardware interfacing - Proficiency with DC motors & Encoders - Systems integration skills, with a knack for bringing different parts together seamlessly Outcome: The successful freelancer will deliver an interface that enables smooth interaction between the Ros2 system, the DC motor, and the encoders. The ultimate aim is efficien...

...Overview: I am looking for a skilled freelancer to develop a small embedded system for an automated vending machine. The system should be capable of handling money received from coin, QR code, or RFID, activating a motor accordingly, and displaying live stock on a display or webpage. Functional Requirements: Money Handling: The system should accept money through coin, QR code, or RFID. Motor Control: It should activate a motor based on the money received. Display: The system should display live stock either on a display or a webpage. User Settings: 1. Buttons should be included for setting the price of the product (including the option for a free price), 2. selecting the number of motors (1 to 10), 3. setting the number of stock items (1 to 1000), 4. Stock ...

I'm seeking an experienced electrical engineer to design a simple LED circuit for me. The main function of this circuit is illumination. Key attributes and responsibilities of the required design: - This design specifically needs to be for a simple LED circuit. The experience with this type of circuit design is pertinent to this job. - The circuit is expected to operate on power input which could either be solar power or a 12v input. The provision for an optional standalone unit with 18560 batteries should also be included in the design. Hopefully using tp4056 - The selected designer is expected to possess a deep understanding and experience of power management, and preferably previous design experience of solar/18560 powered circuits. Circuit wil...

I'm seeking a professional to design a small, industrial network panel capable of supporting devices such as an ethernet switch, 24V DC power supply etc. Ideal skills include: - Experience in industrial network panel design - Understanding of AutoCAD design - Capacity to design for a network supporting up to 10 devices Your design should facilitate efficient data transmission and system reliability. Showcase your insightful grasp of network data needs in an industrial environment when applying. Attached below are the actual devices that would need to be included in the design.

I'm requiring a skilled engineer for a project to develop a Boost Converter. Its purpose is to step up voltage from a DC input. The specifics are as follows: - Input Voltage: Ranges between 18-36V (DC) - Output Voltage: 175V The freelancer should have a strong understanding of power electronics, and be well-versed in designing and prototyping Boost Converters that can safely and efficiently handle these voltage levels. The selected candidate should also be proficient in the implementation of safety measures for high-voltage electronics to ensure reliable and safe operation. I would appreciate if interested individuals could detail their related experience in their proposals – specifically, actual design and troubleshooting experience with ...

I'm looking for a talented artist to create NSFW art in the style of Mr. J. The artwork will involve various characters from the DC universe, styled and posed based on reference pictures I provide. Ideal skills and experience: - A deep understanding and familiarity with DC Comics style and characters, especially Mr. J - Prior experience creating NSFW artwork - Ability to closely follow reference pictures for character posing There's no urgent deadline for this project, so quality and attention to detail will be prioritized over speed. The end goal is a captivating and provocative piece that respects the essence of the characters while pushing creative boundaries.

I'm in need of programming expertise to create a burn file for my HLK V20 DC 5V Voice Recognition Module from Elechouse. It features a 32bit RISC Core with 240M frequency. Key components of the project: - Voice Commands: The module should recognize the following commands: 'Turn on', 'Turn off', 'Open', 'Close', 'Start' and 'All off/open'. - Wake Word: The module should be activated with the wake word 'Helmet'. - Voice Replies: The module should provide verbal responses, especially a verbal reply of 'yes sir'. Additional features I aim to have include the option for control of 2 LEDs, 2 servos, and 1 fan. Ideal skills for the job: - Proficient in Voice Recognition programming...

I am seeking an experienced IT professional who is proficient in Windows Server Active Directory Domain Controller 20...Controller 2019. Your main tasks will include: * Integration of Primary DNS Server * Setting up a backup domain controller Some things you need to know: we have a DC that is infected with ransomware and no backup, I've installed another new DC and i want to make it Primary, and retrieve all roles - the old Active Directory still working- this job can be done through Anydesk. Ideal Skills: * In-depth knowledge of Windows Server * Proven experience in Active Directory Integrated DNS * Problem-solving abilities and excellent communication skills. This role requires a high level of expertise and precision. If you have the needed skills...

I'm in need of a seasoned solar technical expert capable of designing bespoke AC and DC Home systems. The focus falls heavily on constructing a solar energy system with a capacity of less than 5kW and designing specific DC items like solar panels, batteries, charge controllers, and a DC energy meter. The ideal freelancer for this role would have: - Profound technical knowledge in the solar energy field. - Proven experience in designing both DC products and energy-efficient AC products, specifically solar energy systems. - Ability to deliver design solutions geared towards our specific power requirements. - Understanding of industry regulations and safety standards. - Strong problem-solving skills for optimum design performance. This is a complex p...

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First part is setting up one AD controller and 2 clients

I'm seeking a highly skilled CAD technician to create a comprehensive design for a residential fire alarm system for a newly constructed 2,513 square foot house in Washington, DC. This house includes 3 bedrooms, 2 bathrooms, with both a main floor and a basement for consideration. Must be able to get DC BOD permit approval with stamped/signed CAD drawings The fire alarm system should include the following features: • Smoke detectors • Sprinkler systems • Emergency lighting • Pull stations • Carbon monoxide detection • Strobe lights • Magnetic door release • Exit signage It's crucial that the design meets all DC codes. Additionally, the CAD drawing must be of high enough quality to...

I'm looking for a talented PCB designer who can help create a prototype for my project. This prototype...components into the design - Ensuring the final design is square shaped Deliverables: 1. Schematic circuit diagram 2. BOM 3. Gerber 4. Design 5. 3D rendering The PCB should have the following capabilities: 1. Spin a DC motor 2. Connect 7" touchscreen 3. Dual SIM communication 4. GPS for tracking 5. Android OS for touchscreen UI Ideal candidates will have high attention to detail, excellent CAD skills, and proven experience in PCB design. Various versions may need to be designed and refined, so flexibility and adaptability are key. Understanding of electronics and ability to source components is a plus. In your proposal, please provide examples of...

This quote will include removing DC/DC converter, barrel jack and adding pin header compatible with micro USB connector.

Project Overview: We are seeking an experienced and detail-oriented freelancer to lead the design of a sophisticated PCB for a cutting-edge Arduino and ESP32-based prototype. This project is focused on enabling seamless control and sensing operations, involving intricate tasks such as reading and writing to an SD card, WiFi communication, Serial communication to Arduino Mega, and efficient image capture and sharing capabilities over WiFi. Scope of Work: Milestone 1: Develop/Alter PCB for Induction Hotplate Control (Duration: 2 weeks) Design a PCB to regulate power supplied to the induction hotplate. Implement robust control mechanisms to ensure precise power adjustments. Conduct thorough testing and optimization for efficient performance. Miles...

I'm looking for a skilled professional with profound expertise in circuit and PCB design, particularly for ESP32 based motor controllers. Key Requirements: - Deep understanding of 4-32V DC input - Proficiency in using RS485 as the communication interface - Capability to design a motor controller that can handle up to 30A of current - Current and Voltage measurement DC and AC This role requires a well-rounded understanding of motor controllers and experience working with ESP32 chips. Your design capabilities will significantly influence the success of this project.

...compare and analyze the energy efficiency and work capacity of two identical 3.7V DC motors. One motor is equipped with a 90 degree gearbox with a 118:1 ratio, while the other motor is without a gearbox. The purpose of this analysis is to assess and compare the work capacity and energy efficiency of these motors. The necessary performance metrics to be compared include: - Work Capacity - Torque - RPM (revolutions per minute) - Current (in mA) - Energy Efficiency - Output (in W) - Input (in W) The chosen engineer must have vast knowledge in this field and excellent analytical skills. Knowledge of the Robotics industry will be highly advantageous. This project also requires a considerable understanding of DC motors and gearboxes for interpretation of compara...

I require a skilled real-time captioner to provide accurate and live captioning services for a grievance hearing. This is a pivotal role to ensure inclusivity and accessibility, allowing all participants to stay engaged with the proceedings. **Key Requirements:** - Mastery in real-time captioning with a strong focus on accuracy and speed. - Previous experience in legal settings, especially in grievance hearings, is highly advantageous. - Capability to caption the entire duration of the hearing, ensuring no information is missed. - Strong proficiency in English, with excellent spelling, grammar, and punctuation skills. - Must have reliable and fast internet connection for online hearing participation. - Ability to handle sensitive information confidential...

...a migration of IBM EPIC Data Power from version V5 to V10. Key responsibilities include: - Successfully migrating all existing features from the current version to the final version. - Ensuring continuity of our integration functionality, and the installation and configuration features. - Providing evidence that the functionality of these features remains uncompromised after the migration. Ideally, you'll have: - Prior work experience with both IBM EPIC Data Power V5 and V10. - An excellent track record in executing system migrations. - A proficient understanding of XML processing and security within the Data Power environment. Installation and Configuration API-connect for Prod and DR API Connect V5 to V10 - Prod DC DR Synchroniza...

I am seeking an experienced Electronics Engineer to develop a boost converter circuit capable of converting 48v DC 4.800w to 320v DC with a power of around 3500w. Key project requirements include: - Design a boost converter for increasing voltage output - Easy design PCB and schematic in KICAD - Use components that is easy to buy from Mouser our other company in EU - Use most SMD components Ideal skills and qualifications: - Proficiency in circuit design and simulation - Deep understanding of Boost converters - Experience with wide variety of components (Semiconductors, Passives & Integrated circuits) - Proven track record in delivering high power, high efficiency circuits. Your final deliverables will be a detailed schematic diagram, list of com...

. Using JPEG as an example, you are required to write a program to control the quantization matrices used for compression. A brief discussion of the impact is included as part of the assignment. Follow these steps: Download this image. Note that the image is in bitmap format and is quite large. If you are running on unstable Internet service and have a problem downloading the file, please contact your tutor for assistance. Write a Java class that converts the bitmap image to JPEG format. Add a second viewable pane on your image viewer in TME 1. The original pane should display the original bitmap image, and the second pane should display the converted JPEG image. Add a mechanism to input the quantization matrix. It should have three options: (a) default

...moderation tools specifically. Your main focus will be to create custom commands and automation to enhance the user experience and overall functionality of our Discord server. Key responsibilities will include: - Devising and implementing an Auto-role system - Creating an Auto-remove role mechanism Successful candidates should have: - Past experience in creating moderate bots for Discord - The ability to complete this project within a month Those able to demonstrate an understanding of the requirements and a readiness to start as soon as possible will be given priority. I have over 100 giveaway roles in my DC server, I wanna manage it more effectively. For example, I want an auto-role bot to automatically give a par...

...moderation tools specifically. Your main focus will be to create custom commands and automation to enhance the user experience and overall functionality of our Discord server. Key responsibilities will include: - Devising and implementing an Auto-role system - Creating an Auto-remove role mechanism Successful candidates should have: - Past experience in creating moderate bots for Discord - The ability to complete this project within a month Those able to demonstrate an understanding of the requirements and a readiness to start as soon as possible will be given priority. I have over 100 giveaway roles in my DC server, I wanna manage it more effectively. For example, I want an auto-role bot to automatically give a particular role ...

Hi Jen, Based on your inputs, I have completed the AWB Tracker Google Form and Google sheet. Please approve. Thanks, DC

I'm seeking a professional to craft a web application utilizing Highcharts logarithmic charts with specific time-current characteristics. This project requires the integration of several additional functionalities, including: - Export data feature: The application must have the capacity to export the visualized data for accessibility and further usage. - Zooming and panning capabilities: An interactive UI that allows users to zoom in & out and pan across the dataset for deeper analysis. - Data Manipulation: The ability to change the dataset based on a fixed formula (AC to DC RMS conversion) is indispensable. - Comparison tool: A feature to compare different data sets for comprehensive understanding. - Scalable Solution: The system ...

The Proposal will include adding audio amplifier, adding capability to lower power consumption by turning off DFPlayer and audio amplifier when not used and removing DC/DC converter to take only 5V input, it will also include adding eFuse or other more advanced circuit protection system.

Our board has 3 distinct functionalities: o Battery charger with overcharge and discharge protection o DC to DC step-up converter (3.10V to 4.2V battery input  5V, 2A max.) o H-bridge motor driver (used to drive a coil/magnet diaphragm pump) Please check the component values, arrangement, board layout and overall logic or anything relevant not mentioned. If necessary, you should redesign it.