12v dc 19v dc jobs
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.
...(except the antenna of the AIS, to be decided). The idea is starting from a existing CM4 carrier board ‘open source’, and modify it to add/remove elements, also ‘open source’. Most of the requirements can be found in any CM4 carrier board available with a public license. Description of the elements, interfaces and other requirements follows • Maximum board size 100mmx200mm • Power souce 12v • USB-C • Ethernet • CANBUS (Can provide design sources) • PCIe • SD card slot • LVDS signal + backlight (Can provide design sources) • Marine AIS class B (Can provide design sources) • Other UART inputs with optocouplers (to be decided) • GPS (Can provide design source...
I'm seeking a proficient PCB designer to develop a Wi-Fi rectenna design for the purpose of energy harvesting. The core requirements include: - Proficient skill set in PCB layout and design with a focus on rectenna structures - Understanding of the voltage multiplication to 5V to generate an output between 5V and 12V - Experience with wireless energy transfer, particularly in building Wi-Fi rectennas - Exceptional knowledge of rectifier topologies, specifically voltage multiplication The end goal is to have a Wi-Fi rectenna PCB that efficiently harvests wireless energy. Your expertise in harnessing this unconventional power source will position the project for success.
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 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 b...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 'M...
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...
I'm seeking a professional to develop a solar charge controller tailo...maximize the life and capacity of a lithium-ion battery, ensuring efficient energy use. - Light control: It should be programmed to automatically switch on the street lights at dusk and turn them off at dawn. - Overcharge protection: To prevent battery damage, the device should be designed to discontinue charging once the battery is full. - Voltage range: The gadget should function optimally at 12V. Ideal candidates should have experience in the development of solar charge controllers, electronics, power systems, or a related field. Proficiency in battery management techniques and light control systems is also vital. If you have significant experience in lithium-ion battery applications, it will be an a...
...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 converter, Wind 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, ...
I 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 , but this one will be to control the in...
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 state relay is desired, this f...
...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 efficient control and data harmonisation through the interface built. Implemention with ros2_co...
I am looking to have a DCC circuit breaker designed specifically for my model train setups. It must be rated for 12V and have the following features: - Overload Protection: The circuit breaker must safeguard against excessive current levels potentially damaging my model trains. - Short Circuit Protection: It's imperative that the breaker can disconnect circuits immediately upon detecting a short circuit. - Fault Detection: No mishaps should go unnoticed. The breaker should be able to identify faults in the circuit promptly. Due to the nature of my project revolving around miniature electronic equipment, an understanding and experience working on small-scale electronics would be ideal. A background in railway-oriented electronics would be a bonus, but not a necessity. Deep kno...
...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 reset button. EEPROM Storage: User settings should be saved in EEPROM. Out of Stock Notification: The system should indicate when products are out of stock. Technical Specifications: Power Input: 12V DC/AC. Microcontroller: ESP or STM microcontroller with GSM connectivity. Communication: Internet connectivity for displaying live stock on a webpage. Deliverables: - Functional Embedded System: Development of the embedded system with all specified functionalities. - Documentation: Wiring diagrams, functional code and its explanations, and user instructions, troubleshooti...
...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 will include LDR, current limited using possibly Al5809 diode. Module will have 18 leds 6 red, 6 white, 6 amber selectable by means of plug pin or switch, using tp4056 so module could operate standalone or solar 6v cell added by means of plug or connected to 12v/24v dc supply. Module has selectable steady or flashing mode and can be operated ...
I am seeking a proficient designer/engineer to develop a Xenon Strobe Beacon with a specific focus on vehicle safety. This design + Gerber file + Layout + BOM will require: - Functionality for both indoor and outdoor use - Maximum visibility up to a short range of 100 meters By supplying 12V to PCB, Flash should be ON, 3 Flash per Second add temperature sensor
I am seeking an experienced electrical engineer to design a 12V battery charging circuit specifically for a lead-acid battery. The objective is to develop a design that is efficient and practical to implement. Key Requirements: -THE BUTTON PRESSED FROM THE OUTSIDE WILL PROVIDE 12V OUTPUT TO THE CARD - The input voltage for the charging circuit needs to be 24V. The successful candidate should have a proven track record in circuit design, particularly in chargers for lead-acid batteries. You should demonstrate understanding of safety requirements and efficiency metrics. Skills and Experience: - Expertise in Electronics and Circuit Design. - Understanding of lead-acid battery charging. - Familiarity with testing and validation proceedings. - Knowledge in PCB layout will be...
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 Boost Converters of s...
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.
...development of a prototype with two main components: Aluminum Assembly: This component will be designed using CNC machines based on provided design ideas and images. Your tasks will include creating Solidworks 3D designs and executing prototype development. Light Fixture: Positioned above the moveable assembly, this fixture will include a red hazard light powered by a 5W system. It will feature a 12V 7AH lead-acid battery with specific charging and discharging times, along with a solar panel rated at 18V - 6.5W. Importantly, all components must be integrated within the assembly, and designed to withstand harsh weather conditions. Interested professionals are invited to submit proposals detailing: 1. Timeframe for prototype completion. 2. Approximate cost for the complete pro...
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 - Experience ...
I'm looking for an experienced electronics circuit designer to help me with my home appliance. This project is centered around designing a functional electronic circuit that supports both task lighting and decorative lighting. To provide better detail: table top (no cable) task light small simple pcb (low batch of say 40 units) battery (rechargable) supply (12V LiFePO4) single MR16 7W cob lamp please see attached pdf It is ideal that the freelancer has good experience in electronics circuit design specifically for home appliances, and in the creation of circuits that support different lighting functionalities. The files would include Gerber files inc BOM.
Hey, I am looking for someone who will Design Hardware for ESP32 (Lighting with WS2815). I will do software by myself 1. Power Supply - Battery-operated - 2x18650 batteries connected in series - Ability to be powered by 12v (mains adapter) 2. StepUp to 12v for powering the programmable WS2815 LED strip (unless someone convinces me that it's better to use WS2813 with StepDown) - Power consumption for the LED strip, at least 50W, max ~200W - Logic level converter required from 3.3v -> 5v 3. StepDown for powering the ESP32 4. OLED display 128x64 I2C 5. Measurement of power supply voltage and power consumption 6. Power activation via a mechanical switch 7. 2x rotary encoder with button 8. Connector for programming the ESP32
I am seeking an experienced IT professional who is proficient in Windows Server Active Directory Domain 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 encourage you to place you...
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 project ...
I am seeking a skilled electronics engineer with experience in automotive development to create a controller for inflating and deflating tyres on a 12V vehicle, specifically a car. The key requirements include: - Ability to autonomously control solenoids' opening and closing based on pre-set and adjustable pressure readings, with no manual interaction required. - Capability to accommodate various tire pressure readings for different driving conditions, such as off-road and high-speed highway settings. The ideal candidate will possess strong problem-solving skills and a demonstrated background in similar automation projects. Knowledge of automotive systems, particularly tyre pressure management, is essential. Familiarity with different driving conditions will also be benefici...
First part is setting up one AD controller and 2 clients
...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 obtain a DC DOB permit. Please provide a quote and a timeline...
...my project. This prototype will involve a variety of components, including active, passive, and digital. Key tasks include: - Designing the PCB layout - Incorporating all required 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...
This quote will include removing DC/DC converter, barrel jack and adding pin header compatible with micro USB connector.
Hi guys I need a simple Arduino to able to do a launch control for four cyl motorbikes, trigger per button The rpm sensor is hall. Coils and injectors run 12v Need to able to set the gain (cut times) and amount of retard of the ignition, this is an idea if you have a optimal way let me know.
...optimization for efficient performance. Milestone 2: PCB Development for Controlling and Measuring Electronic Components (Duration: 1 weeks) Design a comprehensive PCB for Arduino Mega, integrating components such as: Dual sets of weight sensors (high sensitivity and larger range, lower sensitivity but extended range). NTC sensor for temperature measurement. Control interfaces for stepper motors, DC motors, and air pumps. Implement a versatile input system to accommodate temperature and weight parameters. Develop algorithms for precise control of induction coil and motors to achieve setpoints. Milestone 3: Data Logging and Recipe-based Operation (Duration:0.5 weeks) Integrate SD card functionality into the ESP32-CAM module for efficient data logging. Develop a system to run ope...
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 comparative data accu...
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 par...verbatim dialogues. - Professionalism in handling assignments under potentially stressful or emotional situations. This role is crucial for ensuring the accessibility of the hearing to all participants, regardless of hearing ability. Your contribution will directly impact the fairness and inclusivity of the process. This is a one time opportunity for a Union grievance hearing in the Washington DC metro area. You will attend the hearing to take the hearing notes. The hearing will be held at Regan National Airport (DCA) on a date TBD. It is estimated that the hearing will be approximately ...
I'm in need of a specialist capable of performing 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 integr...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 Synchronization Support for one month Let's ensure the successful and seamless upgrade ...
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 components with ordering...
. Using JPEG as an example, you are requi...mechanism to input the quantization matrix. It should have three options: (a) default JPEG matrix - the numbers can be found on Table 9.1 and Table 9.2 of the textbook; (b) a constant number; (c) DC component only (i.e. set all other numbers to zero). Add an option to the File menu to output the compressed JPEG image to the hard disk. Deliverable All source codes. A setup guide to allow your tutor to set up the necessary environment and run the programs. Four compressed output files: (a) with default quantization matrix; (b) A low constant number (e.g. 1); (c) A absurdly high number (e.g. 200); (d) DC component only. A discussion document – discuss the various effects of the output file. Why are they like that? Will JPEG 2000 ...
...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 to members when they get a certain amount of color roles. Let's say I create @100/role , @50/role , @20 role @10 role, and I set up a red color for every giveaway role, when the member gets 10 numbers of red roles, a @10/role would be automatically grant...
...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 to members when they get a certain amount of color roles. Let's say I create @100/role , @50/role , @20 role @10 role, and I set up a red color for every giveaway role, when the member gets 10 numbers of red roles, a @10/role would be automatically granted. bot...
