Circuit designcông việc

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I have an LED strip light that is DC3v, Wattage 5W/m (2m in total). I have found that 2.5v makes it glow the the desired brightness. I have a DC5.2v 800mA AC Adapter that I wanted to power it with. I need a circuit to cut the 5.2v down to 2.5v to power my LED strip light. Thanks.

...business. The logo should incorporate the use of technology and beauty in a modern and minimalist style. I have specific colors and design elements in mind, but I am also open to suggestions from the designer. I like the idea of white and gold but I am open to anything. I am not sure if I want the logo to incorporate any specific symbols or images related to my business, so I would appreciate suggestions from the designer. One logo idea that combines lashes with a subtle nod to technology could be to create an abstract representation of eyelashes that incorporates sleek, modern lines or geometric shapes. play with the idea of digital elements, such as circuit-like patterns or pixelated accents, to give it a tech-inspired twist. The key is to strike a balance between ...

I am looking for a skilled professional who can design a pulse transformer for my project. The transformer must have the following specifications: Frequency Range: Low frequency (1 kHz - 1 MHz) Size and Weight: Size is not a concern, so it can be of any size or weight Core Material: Ferrite Ideal Skills and Experience: - Experience in designing pulse transformers for low frequency applications - Proficiency in selecting and using ferrite as the core material for transformers - Knowledge of circuit design and buffer capacitor selection for practical switching voltage, perhaps 700 V to 1200 V as this buffer capacitor is SCR switched and can be doubled if necessary. The primary winding input is triggered using 60 Philips BT-151R SCRs and the source is merel...

Convert the 'BOM_PCB_FLexGauge..." to the format of "bom_template_nextpcb" so that it is compatible with ""

...audible or visual or audio and visual alarm signals. This the the alarm section for Patent NZ 739314. This alarm is measuring a deliberately created parasitic osculation and has some unusual characteristics. The Parasitic oscillation causes the amplifier to act as a tuning circuit allowing for the measurement of a variety of resonances. Patents have been granted in NZ,India,USA,Philippines 1/ If the output is connected to a LED, the LED will light then fade If connected to a normal LED circuit the circuit will not light the LED 2/ If the output is connected to other circuits the circuits will not work as designed. The output from the amplifier is anywhere between 0.5V-1.2V and .2ma-.8ma. 3/ If the output is connected to a computer running Tru RTA a s...

Project Title: Design my Power Wall energy product! I am looking for a talented mechanical/industrial designer to create a clean and minimalist CAD for my power wall energy product (XESS One). The first design concept for the product, a concept for the DFM optimized version, and a prototype mockup with the front cover removed and attached to the wall is attached for inspiration. The front cover needs to be removable for for access to the internals for electrical wiring and installation, and the design needs to be as highly IP rated as possible considering there must be louvered filtered venting on the left and right sides for product air cooling. There are 4 x power modules inside, and circuit breakers in the top area for connection. Skills and Experience Re...

...an electronics project where a large matrix of solenoids need to be controlled almost simultaneously using just an Arduino Nano/relevant micro controller. I have a rough idea on the components and circuit to be used but want an experienced person to determine the components based on the specifications, perform simulations and print the PCB ,determine wiring according to the various constraints and 3d models we have. Also , I need some code written to drive this circuit based on desired input. We have a tight timeline so we have to start working on this immediately I would prefer if this circuit can be tested physically as well. Looking for someone who can work collaboratively and is dedicated to seeing that a physically functional output as desired is reached. It...

I need a simple circuit using common hardware parts that measures the high width of a TTL pulse and if it exceeds 3 seconds a logic output is set high as an alarm. If the pulse becomes shorter than 3 seconds the logic output is set low so alarm is turned off. A 32768Hz clock is available. Maybe a 74HC series binary counter might work. Or specify your own clock generator. We want simple 74HC logic, or 4000 logic. Not MCU and not FPGA. When we choose the circuit we will build it to confirm it works before awarding prize.

...Visio 2016) that the freelancer must follow 3. List of specific (major) components to use in the design (PDF and Excel) 4. Summary guidance on routing/layout to eliminate thermal or EMI pitfalls Skills and experience needed for this project shall include: - Extensive knowledge of KiCAD or Altium - Extensive knowledge and (ideally prior) experience with Raspberry Pi Hat design - Knowledge of PoE functionality and implementation - Solid understanding of electrical engineering circuit design The ideal freelancer for this job should be able to design and develop a Hat that combines PoE functionality and solenoid control while ensuring it fits within the specified space. There will be an initial design review of the freelancer's progress and ...

The task involves designing a synchronous counter circuit using the SN74LS175 module to generate a specified number sequence. The circuit must be asynchronously resettable and display the output using a seven-segment display. There should be no switching network between the D flip-flop outputs and the seven-segment decoder inputs. The counting sequence is realized through a switching network at the D flip-flop inputs, determining the next state based on the current states. Testing can be done using a provided seven-segment decoder and display in the laboratory. In Logisim, use the 'Hexadecimal Display' element for counter state visualization, as it already includes the seven-segment decoder.

Project Title: Mixed Circuit Design I am looking for an experienced circuit designer to create a mixed circuit for my project. The circuit will require both analog and digital components. Application/Functionality: - I do not have a specific application or functionality in mind for the circuit. I am open to suggestions from the expert. Level of Complexity: - The circuit design should be of moderate complexity. Ideal Skills and Experience: - Strong knowledge and experience in mixed circuit design - Proficiency in both analog and digital circuit design - Ability to suggest and implement suitable applications or functionality for the circuit - Understanding of moderate complexity circuit d...

I am looking for an electronics designer to help me with a project involving the development of a medicine pill dispenser. Specific Requirements: - I have specific requirements for the electronics design that need to be met. Intended Purpose: - The electronic design will be used for research and prototype development purposes. Ideal Skills and Experience: - Experience in PCB design, circuit design, and firmware development - Knowledge of medical devices and regulations - Ability to meet specific requirements and adhere to project timelines - Strong problem-solving skills and attention to detail. If you have the necessary skills and experience, please reach out to discuss the project further.

Circuit Design for Personal Project I'm in need of someone that can help me design n pcb board that has a esp32 and 4 relays and 4 max 6675 for thermocouples on it also has an output for a small LCD screen to add to the board attach is a file of an esp32 board with 4 relays basically just need to add the max 6675 and the LCD connector As well as a photo what I currently have Requirements: - Open to suggestions for specific circuit design - Intended for personal project use Ideal Skills and Experience: - Experience in circuit design for personal projects - Knowledge of analog, digital, and mixed-signal circuit design - Ability to provide guidance and suggestions for circuit specifications

I am looking for an electrical engineer to create schematics for my project. The main focus will be on designing circuit boards. Here are the details: I will give you the drawings I made and you turn them into neat looking drawings for the instruction manual Show me how they should look, show examples of your work or how you think they should look They need to be easy to understand, but look professional Important: Generic replies will be ignored, please dont send me "I can do the job" generica. If the requirements are not addressed your response will be ignored. Thank you

I am...working with microcontrollers and LED lighting for a custom lighting project. I have a specific design in mind for the LED lighting, but I am open to suggestions. The project will involve using an Arduino microcontroller. The main purpose of the lighting project is to create a combination of functional and decorative lighting. We want people to work from our office. Our office is based in Chennai, India. Ideal skills and experience for this job include: - interest in programming microcontrollers, specifically Arduino - Experience in designing and implementing LED lighting systems - Creativity in suggesting alternative LED lighting designs - Knowledge of electrical engineering and circuit design - Attention to detail in ensuring the functionality and aesthetics ...

I am looking for an experienced freelancer who can help me fault find a Printed Circuit Board (PCB). The main issue I am experiencing with the circuit board is that I am having power issues, connection issues, and component issues. Skills and Experience: - Deep understanding of circuit board design and troubleshooting - Proficiency in diagnosing and repairing faulty circuit boards - Excellent knowledge of electronic components and their functions - Ability to explain and teach how to diagnose faulty boards Deadline: - The project needs to be completed within 1 month.

Analog Circuit Simulation Project I am in need of an experienced freelancer who can assist me with an analog circuit simulation project. The project requires expertise in AC, DC, and transient analysis. Specific Requirements: - Ability to conduct AC analysis, DC analysis, and transient analysis for the circuit - Familiarity with LTSpice software for the simulation - Experience in designing and simulating analog circuits Ideal Skills and Experience: - Proficiency in LTSpice software - Strong knowledge of AC, DC, and transient analysis techniques - Previous experience in designing and simulating analog circuits - Attention to detail and ability to troubleshoot circuit simulation issues If you possess the required skills and experience, and are familiar with LT...

This pcb will play the pre-given bluetooth audio file when trigger ports are activated. (1 or 2. or both) when trigger ends pcb stops playing audio. pregiven audio is repeated every second bip sound (like alarm) buzzer will make noise same as trigger port energized, and stops de-energized. also can be cancelled with on/off dip swith (only buzzer Bt audio will not stop) components; power supply (12-15V dc) buzzer (with on/off dip switch) 2 trigger port (energized by 12-15V dc) button for pairing pcb with other bluetooth receiver (smart phone) Pcb must have a unique bt adress for pairing. once paired no need to pair again when re-energized long press for pairing button must start a new pairing mode. I will want a working demo pcb before final approval I will want estimated cost for manu...

I am looking for a freelancer who can assist me with the RTL implementation for my digital circuit design project. Requirements: - Experience in digital circuit design and RTL implementation - Familiarity with Verilog programming language - Ability to work with limited guidance and rough design ideas Skills and Experience: - Proficiency in Verilog programming language - Strong knowledge of digital circuit design and RTL implementation - Ability to interpret and work with rough design ideas - Attention to detail and ability to problem-solve If you have the skills and experience required for this project, please submit your proposal.

I am looking for a freelancer who can assist me with the PC...involves the following requirements: Size of the PCB: Medium (up to 10cm x 10cm) Components: I have a list of specific components that need to be incorporated into the PCB. Layout preference: It's up to the designer to come up with the best layout for the components. Ideal skills and experience for this job include: - Proficiency in using EasyEDA for PCB component layout - Knowledge of different circuit board sizes and their limitations - Ability to work with a list of specific components and integrate them into the layout - Creativity and problem-solving skills to come up with an efficient and functional layout - Good communication skills to understand any requirements or constraints and provide input and advic...

Project Title: Design Arduino Board for Dumb Waiter Control or "Alexa" Working Description: I am looking for an experienced Arduino designer to develop a custom board that can seamlessly integrate both dumb waiter control and "Alexa" functionality. This project requires an intermediate level of complexity in the control system and a wired connection for communication between the Arduino board and the dumb waiter system or "Alexa". Ideal Skills and Experience: - Strong proficiency in Arduino programming and circuit design - Experience with dumb waiter control systems and "Alexa" integration - Knowledge of wired connection protocols and communication methods - Ability to troubleshoot and debug complex control systems - Attention ...

I am looking for a skilled electrical engineer to design a circuit diagram for a data receiver and transmitter for industrial automation purposes. The circuit should be able to transmit short-range data, specifically bar code scanner data. Skills and Experience: - Strong knowledge and experience in designing circuit diagrams for industrial automation projects - Proficiency in wireless communication technologies - Familiarity with short-range data transmission protocols - Understanding of bar code scanner data transmission methods - Attention to detail and ability to ensure reliable and accurate data transmission Please provide examples of previous circuit design projects that demonstrate your expertise in these areas.

...with extensions to Python ) - The ideal candidate should have experience in programming the temperature sensor using Arduino Accuracy: - The client already has a certain accuracy for the sensor for NTC Thermistor. Skills and Experience: - Proficiency in Python, Arduino programming language - Experience in working with temperature sensors and NTC Thermistors - Knowledge of electronics and circuit design - Ability to troubleshoot and debug sensor-related issues - Future projects with Setup Please provide examples of previous projects or relevant experience in temperature sensor programming and electronics. Budget is various from 20-30 CAD for the first project 40$ for shutoff mechanism for Laser Others will be determined later NOTE : There will also be tips at th...

Project Description: Circuit and PCB design for a simple analog amplifier project Requirements: - Power output of the amplifier should be less than 10W - Preferred type of circuit design is analog - No specific components or brands preference Ideal Skills and Experience: - Strong knowledge and experience in circuit and PCB design for audio amplifiers - Proficiency in analog circuit design and optimization - Familiarity with designing low-power amplifiers - Ability to select appropriate components for the project without specific brand preferences - Experience in creating PCB layouts that optimize performance and reduce noise Deliverables: - Circuit design schematic - PCB layout design files - Bill of materials ...

I am looking for a skilled freelancer who can design an analog circuit with fusion 360 electronics. The purpose of the circuit is to generate an analog output signal -10 to +10V and 0 to 20mA from a DCA outptu 0..3.3V, and it should have high precision. The desired size or form factor of the circuit is medium-sized. Skills and experience required: - Strong knowledge and experience in designing analog circuits - Proficiency in using fusion 360 electronics - Ability to design circuits with high precision - Familiarity with medium-sized circuit design and form factors German is a big plus!

I am looking for an experienced Verilog coder to help me design a simple digital circuit. I have a rough idea of what I want the circuit to do, but I am open to suggestions and input from the freelancer. The ideal candidate should have experience in designing digital circuits using Verilog and be able to work with a simple level of complexity.

I am looking for an experienced freelancer to set up an induction heater circuit. The following requirements must be met: Power input: The circuit must be designed to operate on a 40 kW solar cell. The working coil must have a voltage of 220V. I should be able to adjust the oscillation level from 300 to 500 kHz. It is preferable to use a programmable microcontroller The working coil has a length of 5 to 20 metres To request: - The induction heater circuit will be used for pottery cooking purposes Skills and experience: - The desire to complete the work.

I am seeking an expert in Logisim software who can assist me with both CPU and circuit design projects. Requirements for the CPU design: - I have precise specifications that need to be followed. Ideal skills and experience: - Expertise in Logisim software - Strong knowledge of CPU and circuit design - Ability to follow precise specifications and instructions

I am seeking an ENTC specialist with advanced skills and experience in IoT systems. The project requires expertise in the following areas: 1. Design and Development: Lead the design, development, and implementation of IoT devices and systems. 2. Hardware and Software Integration: Integrate hardware components with software systems, ensuring seamless functionality and communication. 3. Prototyping and Testing: Develop prototypes, conduct testing, and iterate designs to optimize device performance, reliability, and efficiency. 4. Sensor Selection and Configuration: Choose appropriate sensors for specific applications, configure sensor networks, and ensure compatibility with IoT platforms. 5. IoT Platform Proficiency: Work with IoT platforms and protocols (such as MQTT, CoAP, o...

Circuit design for nfc board game

I am looking for a freelancer who can design a 3 phase drive panel for 3 conveyors with VFD drives. The project requires the following skills and experience: Power Supply: - The drive panel should be designed for a three-phase power supply. - With a 24v control circuit Conveyor Specifications: - The conveyors have standard specifications, so the design should be based on these standards. - The 3 VFD's are as follows 1 x 380-480v 50Hz 3ph 3.5a 0.75kw (optidrive e3 ode -3-140022-3F12) 2 x 380-480v 50Hz 3ph 1.9a 0.37kw (optidrive e3 ode -3-140012-3F12) Documentation: - The client requires electrical schematics for the panel design. Ideal Skills and Experience: - Experience in designing drive panels for ...

I am looking for a skilled PCB layout and design expert who can assist me in creating a schematic or circuit diagram for a multi-layered PCB. The intended application of the PCB is for industrial equipment. Requirements: - Must use Altium Designer. - Proficiency in PCB layout and design - Ability to create a schematic or circuit diagram - Strong knowledge of multi-layered PCBs - Experience in designing PCBs for industrial equipment Most tasks will involve editing already working designs, so format and style must be maintained.

I have made a circuit using attached GPIO pin circuit diagram, i want someone to write the code , i have code for a another model of stm32.

I am looking for a skilled PCB designer to create a single-layer PCB for a digital dimme...should be designed to handle a 220V input voltage. Dimming Control Mechanism: The desired control mechanism for the dimmer is digital/remote control. Power Load Capacity: The dimmer should be able to handle a power load between 500W and 1000W. Ideal Skills and Experience: - Strong expertise in PCB design and layout for single-layer boards - Proficiency in digital and remote control circuitry - Knowledge of power load handling and safety considerations - Experience with dimmer circuit design and implementation - Familiarity with relevant industry standards and regulations If you have the necessary skills and experience, please submit your proposal for this project. Also look...

I am looking for an electronic engineer who specializes in circuit design. Specifics: - The project requires the creation of a circuit design based on clear specifications that I have provided. - The functionality of the circuit design must meet the requirements outlined in the specifications. Timeline: - The project has a timeline of more than 4 weeks, allowing for thorough development and testing. Ideal Skills and Experience: - Strong knowledge and experience in circuit design. - Proficiency in using electronic design automation (EDA) tools. - Familiarity with PCB layout and design. - Ability to troubleshoot and debug circuit designs. - Attention to detail and the ability to follow specifications accuratel...

I am in need of an experienced electrical diagnostic expert to troubleshoot and resolve an issue with my industrial equipment. The ...industrial equipment. The specific problem involves the control panel not powering on. This work must be done ON SITE in Northwestern Pennsylvania area. Requirements: - Expert knowledge in electrical diagnostics for industrial equipment - Ability to perform thorough troubleshooting on control panel and power connections - Experience in identifying and resolving power outage issues - Familiarity with circuit breaker tripping and flickering lights - Strong problem-solving skills to identify the root cause of the issue If you have the skills and experience necessary to diagnose and fix electrical issues with industrial equipment, please apply for thi...

I am looking for a Verilog programmer who can assist me with designing circuits. Although I have a rough idea of the type of circuit I want, I am open to suggestions and creative input. The ideal candidate should have experience in Verilog programming and be able to design circuits efficiently and accurately. This project does not have a specific timeframe mentioned.

...hardware design. Your role will involve contributing to the ideation, design, prototyping, and implementation of our products. You should have the ability to analyze, design, and implement a variety of cutting-edge electronic systems for both hardware and software. It would be advantageous if you own (or have direct access to) a prototyping workshop and an electronic testing lab. If you lack expertise in certain areas, you can subcontract with skilled app developers, electronic, and mechanical engineers. However, you'll be fully responsible for their work, and we won't directly interact with them. Your expertise, either directly or indirectly, should cover: Embedded Programming and Hardware Designing PCB Designing Schematic/Circuit D...

...Electronic Circuit Design I am looking for an experienced professional to check / evaluate the design of an analog electronic circuit. What I need is a professional opinion of circuit design attached. The prototypes provided do not work at all, so I am wondering is it a design or implementation issue? The circuit meant to be a current limiter that would work up to 600V DC and up to 20amps and be able to limit current between 0 and 20 amps regardless the voltage, so with the utilization of a potential-meter the user could regulate the current . Specific Requirements: - Evaluate the overall design of the analog electronic circuit - Provide a high level overview of the circuit design Ideal Skills an...

I am...charging circuit. The project requirements are as follows: Input Voltage: - The desired input voltage for the charging circuit is 5V. Battery Type: - The charging circuit is intended for a Lithium-Ion battery. Charging Current: - The desired charging current for the battery is to be specified by the freelancer. Ideal Skills and Experience: - Experience in schematic capture and circuit design. - Proficiency in working with charging circuits and battery technologies. - Knowledge of Lithium-Ion battery charging requirements. - Ability to specify and design a suitable charging current for the battery. If you have the necessary skills and experience, please specify the desired charging current for the battery and provide examples of previous...

I am in need of a hardware+PCB designer who is familiar with Altium for a project involving circuit design. The complexity level of the design is moderate. I have specific components and materials that should be used in the design. Skills and experience required: - Proficiency in Altium - Strong knowledge of circuit design - Experience with moderate complexity level projects - Ability to work with specific components and materials provided by the client - People who has experience with STM32 is preferred(STM32+small LCD display is my req).

Project Title: Troubleshooting Assistance for Thermostat Relays in Smart Home Overview: I am a beginner in smart home technology and seek assistance installing a smart relay to my boiler. I have very little knowledge for electricity, but as far as I understand, my boiler can be commanded by a 12v relay. But the smart relays I find in the market are for 240v usage. So I am afraid to fry my boilers circuit, if I use one of those. I need someone with expertise in smart home technology and electricity to guide me to the correct products and solutions. The relay must be zigbee compatible(like a Sonoff or Aqara) or it might be a Shely wifi relay (but zigbee is preferred). I will pay hourly for consultation.

I am looking for an expert in Logisim software who is knowledgeable in building CPUs. Tasks: Build a 4-bit single cycle CPU that can implement the given instructions. Your CPU should have ● A Program Counter (PC) ○ This stores and keeps track of what instruction you are on ● I...your CPU ● Register File ○ A bunch of registers as well as ways to specify which ones you want. This has already been created for you. ○ The only outputs of the register file that you are allowed to use are A_Out and B_Out. The rest are for testing purposes and should not be used More instructions will be given Requirements: - Experience in building CPUs using Logisim software - Knowledge of circuit design and simulation in Logisim software Timeline: - The project needs to be completed in less t...

I am looking for a skilled freelancer to build a DC to AC inverter for our project. The inverter should have the following specifications: Physical Size: Medium (5-10 cm) - The ...compact and fit within the given size range. Current Consumption: Less than 1 A - It is important that the inverter has low power consumption to optimize energy efficiency. AC Frequency Range: 60-70 Hz - The simulated AC pattern should fall within this frequency range. Skills and Experience: - Experience in designing and building DC to AC inverters - Knowledge of electrical engineering and circuit design - Familiarity with low power consumption designs - Ability to simulate AC patterns within a specific frequency range If you have the skills and experience required for this project, please subm...

I am looking for a freelancer to design an On-Grid (grid tied) PV Solar System for my home. The project requires the following skills and experience: The ideal freelancer should have expertise in: - Designing On-Grid PV Solar Systems for small homes - Knowledge of the specific brand of solar panels preferred by the client such as Jinko and Trina. Responsibilities include: - Designing a solar system that meets the energy needs of a small home - Selecting and incorporating the preferred brand into the system - Optimizing the system for maximum energy efficiency and cost-effectiveness -The system is 3 phase system 127/220 volt, frequency is 60Hz. -The objective of installing solar system is to offset 50% of the yearly consumption by using a solar system. General Project specificati...

I am looking for a freelancer who can assist me with a circuit design project. The specific type of circuit design needed is still to be determined, but I will provide detailed requirements for the project. Skills and Experience: - Experience in circuit design, particularly in the chosen software, Eagle - Proficiency in analog, digital, and mixed circuit design - Knowledge of Eagle software and its features - Ability to understand and implement detailed requirements for the circuit design.

I am looking for an experienced engineer to support me with designing a sophisticated mixed-signal circuit and PCB. This project will require a highly skilled individual with expertise in advanced circuit and PCB design. The circuit must be suitable for a specific application which is already determined by me. The successful applicant must have a solid understanding of electronic theory and experience in developing complex circuits. Attention to detail and knowledge of best practices for signal integrity, routing and layout are essential. The desirable outcome is a high-quality, well-designed circuit and PCB which can be manufactured with reliable, repeatable results. If you have the necessary skills and experience, please don't hesitate to a...

I got many projects every month. i can say around 20 to 70 projects per month. You are free to use any third party source like ChatGPT. Raspberry Pi Project: 35USD Per Project Arduino Project: 20USD Per Project Mobile App: 65USD Per Project Only need to provide coding and circuit connection manual for rasp pi and arduino projects. These project no need to be super complete, just need to complete the objectives of the project. Our goal is to finish it quickly as long as the project fulfilled its objectives.

Hi Saddam G., Finally got amp section of sensor to work. Have an signal that will change in frequency with volume of LPG. It has parasitic oscillation with causes LED and Buzzer not to work. If I audio in out into a computer everything works Project is to answer questions 1/ Can the analogue circuit be made to work. to activate and alarm ? Band filter,LED,Rectifiers,Buzzers do not work 2/ Can we use an ESP32 for signal processing.? The we will start other projects