Circuit Design Jobs

I am looking for a freelancer to build an electronic device. The purpose of this device is to read and display QR codes from and to a mobile phone via camera and b/w display. Furthermore the device should contain two USB data ports to read and write files with a size of 10k - 1MB to a USB mass storage (USB Stick). Copy from one to the other USB should also be possible. No high speed needed (up to 10seconds is OK). The device should have two buttons for configuration and a third USB-C port for power. It should run MicroPython. I need help with the design and specifications of the device. Ideal Skills and Experience: - Experience in building electronic devices - Knowledge of commercial use requirements and regulations - Ability to understand client needs and translate them into functional...

Hybrid Inverter , designing of an 750W inverter pcb with a builtin charger and solar input. Charger being able to charge all battery types Later on a 1000W till 5000W unit will be needed

This is for a personal auto hobby, where I have upgraded the bi-directional actuator motor to the vehicle throttle beyond what the car computer can directly drive before tripping out on over current. I need an intermediate controller to boost the pair of existing pulse width modulating (PWM) 0-14VDC 5 amp signals (A and B per attached block diagram) from the car computer, into an identical PWM 0-14VDC but 15 amp current capacity (A' and B'). Your design (in green on the second block diagram) will ONLY have inputs from A and B, plus power and ground for 14 VDC at 15 amps. You will NOT have any access to other vehicle control systems whatsoever. Your design must replicate the same input PWM signals A and B exactly and instantly, just with more amperage, and output only A' ...

Assembler Project for 80C552 Microcontroller Task: Sensor Interfacing - Our project requires the development of an assembler program for the 80C552 microcontroller to interface with sensors. - The main task of the program will be to collect data from the sensors and process it accordingly. - We have already selected the sensors and they are ready for use. - The assembler program should be able to communicate with the sensors and retrieve data from them. - The program should also be able to process the data and perform any necessary calculations or actions based on the sensor readings. - We have a specific timeline for this project and it needs to be completed within 1 month. - The ideal freelancer for this project should have experience in programming with assembly language and working w...

Project Title: PCB Design Overview: I am looking for a skilled PCB designer to create a circuit board for my project. The design should be simple, with a moderate size and should incorporate some specific components that I already have in mind. Requirements: • PCB Complexity Level: Simple • PCB Size: Medium • Specific Components: I have some components that need to be included in the design, but not all. Ideal Skills and Experience: • Extensive experience in PCB design with a focus on simplicity and efficiency • Proficiency in using PCB design software (e.g., Altium, Eagle) • Strong knowledge of circuit design principles and best practices • Familiarity with selecting and integrating specific components into the PCB design • Ability to collaborat...

Project Title: Circuit and Register Design for D Flip Flop I am seeking assistance with designing a circuit for a D flip flop. Main Issue: Designing the Circuit I am facing difficulties in designing the circuit for the D flip flop. Specific Requirements: Determining the Requirements I need assistance in determining the specific requirements for the circuit design. Ideal Skills and Experience: - Strong understanding of circuit design and logic gates - Proficiency in designing and implementing D flip flop circuits - Experience in determining circuit requirements and constraints Please provide examples of previous circuit design projects or relevant experience in your proposal.

I am looking for a skilled circuit designer who can design a filter circuit on Multisim. The specific requirements for the circuit design are provided, as I have specific parameters that need to be met. The desired frequency response for the circuit is a low-pass filter. Skills and experience required for this project include: - Proficiency in circuit design using Multisim - Knowledge of filter circuit design principles - Understanding of low-pass filter concepts and frequency response - Ability to meet specific parameters and design requirements

PCB Design Project I am looking for a PCB designer who can help me with a simple PCB design project. The design complexity level is simple, and I have a specific size requirement for the PCB. Skills and Experience: - Proficiency in PCB design software - Knowledge of PCB manufacturing processes and standards - Ability to work with specific size requirements - Experience with simple PCB designs 2 sided pcb APPLICATION: Application of the pcbs are in the actuator with 2 dof with two motors,as per image attached. There is a need of two types of pcbs, Encoder pcb Controller pcb pcb specification: Encoder pcb: (Dimension 19 mm x 19 mm) Encoder reads the output rotation of the actuator, and links with other encoders by RS485 protocol. Encoder should be an absolute and magnetic rotary enco...

I am looking for a skilled engineer to design a hydraulic power pack and hydraulic circuit for my project. The project requires the following specifications: Power Capacity: - The hydraulic power pack should have a power capacity of less than 10 horsepower. Hydraulic Circuit: - The hydraulic circuit should be a closed loop system. Operating Pressure: - The desired operating pressure for the hydraulic system is between 1000-5000 psi. Ideal Skills and Experience: - Experience in designing hydraulic power packs and hydraulic circuits. - Knowledge of closed loop hydraulic systems. - Ability to work with operating pressures between 1000-5000 psi. If you have the expertise and skills required for this project, please submit your proposal.

I am looking for a freelancer to create a wireless water level controller for my project. Range: The wireless water level controller should have a range of up to 500 meters, allowing me to monitor the water levels from a distance. Power Source: The device should be mains powered, ensuring a reliable and continuous power supply. Output Signal: The type of output signal required for the controller doesn't matter, as long as it effectively communicates the water levels. Skills and Experience: - Experience in designing and developing wireless communication systems - Proficiency in circuit design and programming - Knowledge of water level sensing technologies - Familiarity with power management and electrical systems If you have the necessary skills and experience, please submit...

I am looking for an electrical engineer with expertise in 2nd year circuits. I have specific advanced questions that I need help with. It will be time limited 2.5 hours for seven questions basics up to transient and ac analysis.

Project Title: A recruitment project to make an analogue voltage alarm Overview: I am looking for freelancers to design and create an analogue voltage alarm. The alarm should have the following specifications: Voltage Range: - The desired voltage range for the alarm is 0-5V. Functionality: - The alarm should be able to warn of both voltage rise and drop. Power Supply: - The alarm will be powered by a battery. Ideal Skills and Experience: - Strong knowledge of analogue circuit design. - Experience in creating voltage alarms. - Proficiency in selecting appropriate components for battery-powered devices. - Familiarity with voltage monitoring and detection systems. - Ability to design a compact and efficient circuit that meets the specified voltage range and functionality requirements. ...

I have an EasyEDA PCB File with Components and Traces. First and foremost I would like a schematic file created. My goal is to convert all components to SMD for ease of production so secondly I would potentially also like existing through hole components replaced with SMD components(I can do this myself if needed) Finally i'm looking to have a plastic enclosure modeled for this final board(Could also outsource this to another designer as well if needed) 2 Layer Board

We need a PCB design and 3 manufactured prototypes of a small clock circuit board (~4 cm x ~3 cm). The output frequency is 52 Mhz to be driven by the SiT5358 VCTCXO, which can be purchased online at SiTime. Operating temperature range is 0 to 70 degrees C. A POTS trim adjusts the VCTCXO with +/- 6.25 PPM. The board should include 3 mounting holes for 4-40 screws, with any layout. The circuit board output connector will be SMA female with 50 Ohm impedance and ~0.6 V peak-to-peak square wave output. The supported power input should be DC 10 - 15 V input using a Molex 3-pin standard PC fan male connector (with pin 1 ground and pin 2 providing ~12 V input.) The project includes delivery of the manufactured prototypes, as well as schematics and gerber files. We propose payment of 1/4 upon ...

I am looking for an experienced engineer who can develop an electronic voltage detector specifically designed for AC voltage detection. The desired voltage detection range for this device should be medium voltage, ranging from 51V to 1000V. The main safety features that I want included in this voltage detector are shock-proof and water-resistant. It is important that the device can withstand potential accidents and harsh weather conditions. Ideal Skills and Experience: - Experience in designing and engineering electronic voltage detectors - Knowledge of AC voltage detection and the specific safety requirements for such devices - Proficiency in developing shock-proof and water-resistant electronic devices - Familiarity with industry standards and regulations related to voltage detection a...

I am looking for a PLC programmer with experience in programming for a complex project. Skills and Experience Needed: - Strong knowledge and experience in PLC programming - Familiarity with complex projects - Ability to understand and analyze complex requirements - Proficiency in troubleshooting and debugging - Strong problem-solving skills The ideal candidate will be able to work within a flexible deadline and deliver high-quality results. Requirement : Assembly line Automation

I am looking for a skilled freelancer to design a voltage converter for industrial use. The converter should be able to handle low voltage requirements, ranging from 1-24V. **Design an open-loop CCM (Continuous Current Mode) operation of SEPIC converter operating within the 12 V to 24 V input voltage ranges and with fixed 5 V and 15 V output voltages. Maximum output power is 20 W at 15 V. On the design, assume ideal components. **Details are written in the picture. Skills and Experience: - Experience in designing voltage converters - Knowledge of industrial use requirements - Ability to work with low voltage specifications

Good morning, evening and afternoon from Australia. I am looking for a PCB Engineer who can create an OBDI to OBDII Adapter PCB for me to use. The ideal candidate should have experience in PCB design and be familiar with OBDI connectors from 2001 or earlier. The following countries are not allowed to take part in this project unless the individuals that reside in these places fulfill some small criteria as per myself having trust issues with anyone outside of the U.S., Canada, the U.K., Ireland, Australia and New Zealand: Pakistan. India. China. Russia (banned from my projects entirely). Ukraine. Azerbaijan. Japan. Korea. Israel. Requirements: - Must understand that the OBDII Standard was not adopted in Australia until 2001 - Must own a Ford Festiva, regardless of the model - The adapt...

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.

I have 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 is a plus if you...

Analog Design Engineer I require an analog design engineer who is profiient in virtuoso. The task is related to the design if memory circuits like SRAMs, DRAMs and arithmetic circuits like Multipliers and adders.

I am looking for an experienced electrical designer who can help me with an industrial project. Specific Electrical Design: - The project requires expertise in designing electrical systems for industrial purposes. Specific Requirements and Standards: - I have specific requirements and standards that need to be followed for the design. - It is important that the designer is familiar with these requirements and can ensure they are met. Project Timeline: - The project should be completed within 3-4 weeks. Ideal Skills and Experience: - Experience in industrial electrical design. - Knowledge of industry-specific requirements and standards. - Ability to meet project deadlines. - Strong attention to detail and problem-solving skills.

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 design principles and techniques

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.

I am looking for a freelancer to design and create a single layer AC voltage dimmer module/PCB. The module should be able to handle an input voltage range of 0-220V and have the capability to handle a maximum output load of more than 500W. Ideal skills and experience for this job include: - Experience in PCB design and layout - Knowledge of AC voltage dimming circuits - Familiarity with handling high power loads - Ability to work with specific components as provided by the client

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

Develop logical equations based on given specifications. Design gate-level schematics to meet all specifications. Utilize CMOS logic to create transistor-level schematics for all logic gates. Calculate W/L ratios for each MOSFET based on transient performance. Determine mid-point voltage, rise time, and fall time for each unique logic gate. Calculate capacitances considering parasitic capacitance values. Prepare a floorplan for layout, considering gate locations, signal distribution, and pad locations.

I am in need of a freelancer to design a small sensor board with the following specifications: Size: - The desired size of the sensor board is small, less than 5cm x 5cm. Purpose: - The primary purpose of the sensor board is data logging of GPS nd mems IMU togather on GPS timestamp Power source: - The sensor board will be using a battery as the power source. Skills and Experience: - Experience in sensor board design and miniaturization. - Proficiency in data logging and storage. - Familiarity with battery-powered devices and power management. - Knowledge of GPS and MEMS technology is preferred. The ideal freelancer for this project should have a strong background in electrical engineering and experience in designing compact and efficient sensor boards.

I am looking for an Electrical Engineer expert to design a transformer 3 phase inverter for a commercial application. The project requirements are as follows: We are running into some issues with IR2110 and Mosfet burning and i want someone with some experience to help resolve the issue. Only bid if you have the requirement experience else your bid will be deleted

Good morning, evening and afternoon from Australia. I am looking for a PCB Engineer who can create an OBDI to OBDII Adapter PCB for me to use. The ideal candidate should have experience in PCB design and be familiar with OBDI connectors from 2001 or earlier. Requirements: - Must understand that the OBDII Standard was not adopted in Australia until 2001 - Must own a Ford Festiva, regardless of the model - The adapter should be able to convert my cars OBDI port to OBDII. - I am open to suggestions for the PCB design, but I can provide specific requirements if needed. - The project timeline is flexible, and I am open to completing it at any time. Skills and Experience: - Must have Ford experience in Tuning ECUs. - PCB design - Knowledge of OBD connectors - Ability to work with provided spe...

Good morning, evening and afternoon from Australia. I am looking for a PCB Engineer (within Australia, the United Kingdom, Ireland, Canada, the United States, or New Zealand) who can create an OBDI to OBDII Adapter PCB for me to use. The ideal candidate should have experience in PCB design and be familiar with OBDI connectors from 2001 or earlier along with voltages of Ford Festiva models (Ford Aspire models in Canada and the United States). Requirements: - Must understand that the OBDII Standard was not adopted in Australia until 2001 - Must know the voltages of the pin layouts in the socket of the OBDI Port - Must buy or currently own an OBDII Code Scanner from eBay or somewhere to get the pin layout and voltages of it. - Must own a Ford Festiva, regardless of the model - The adapter s...

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.

I need design of PCB based on research paper, I will send the details to the suitable designer.

I am looking for a freelancer who can design a 4 quadrant transimpedance amplifier PCB for my project. The details of the project are as follows: Bandwidth: - The desired bandwidth of the transimpedance amplifier is less than 1MHz. PCB Size: - I do not have a specific size specification for the PCB. Standard size is fine for my requirements. Power Supply Voltage: - The preferred power supply voltage for the PCB is 5V-10V. Skills and Experience: - Experience in designing transimpedance amplifiers with a bandwidth of less than 1MHz. - Proficiency in PCB design and layout. - Knowledge of standard PCB sizes and specifications. - Familiarity with power supply voltage requirements for electronic circuits. - Attention to detail and ability to meet project specifications. If you have the nece...

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 LTSpice software, please submi...

I am looking for an expert in LT Spice and Cadence Virtuoso who can assist me with a project involving both simulation and design of electronic circuits. The ideal candidate should have intermediate level experience and knowledge in these software tools. Skills and Experience Required: - Expertise in LT Spice and Cadence Virtuoso - Experience in both simulation and design of electronic circuits - Intermediate level of complexity in project understanding and execution

I am looking for a freelancer who can assist me with the PCB component layout using EasyEDA. The project 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 con...

I am in need of a PCB board design for a consumer electronics project. The size of the PCB board is about 1 inch by 1.5 inch. (or the smallest practical size) I am looking for a freelancer with experience in KiCad software to complete this project. The board will be used for a TENS (transcutaneous electrical nerve stimulation) -which is a small, battery-operated device that has leads connected to small pads - electrodes. You attach the pads directly to your skin. When the machine is switched on, small electrical impulses are delivered to the affected area of your body, which you feel as a tingling sensation. The board will have a programmable processor to manage the electrodes and current and it will have bluetooth to connect and transfer data to a mobile device, so some discussion will ...

I am looking for a skilled freelancer to reproduce a PCB design from an image. The complexity level of the PCB design is moderate. I do not need help sourcing the components, but I do need a list of the required components. The project has a specific deadline and needs to be completed within two weeks. Ideal Skills and Experience: - Experience in PCB design and replication - Proficiency in PCB design software - Ability to accurately reproduce a design from an image - Knowledge of component sourcing and creating a list of required components - Ability to work within tight deadlines and deliver high-quality results I will provide a PCB image and I want the schematic to be reproduced. it is a single layer PCB that is not huge.