Схемотехника Jobs

I am looking for a skilled PCB designer to create a circuit diagram for a final product. The purpose of the PCB is to serve as a prototype. Additionally, I would like the freelancer to source the components for the PCB. Ideal skills and experience for this job include: - Proficiency in PCB design and layout - Knowledge of circuit design and schematic creation - Ability to source components and ensure their compatibility with the PCB design - Attention to detail and ability to meet project deadlines

I need a freelancer to review the PCB schematics for my project. The purpose of the review is to identify any design flaws and ensure compatibility with the specified modules. Requirements: - Familiarity with PCB design and schematics at an EXPERT level - Experience in reviewing and optimizing circuit layouts - Knowledge of open CPU GPRS modules, GNSS modules, and Bluetooth modules - Ability to identify design flaws and suggest improvements - Familiarity with specific models of the modules provided by the client If you meet these requirements and have the necessary skills and experience, please bid on this project.

求指导电路原理 怎么用小弹簧和导线还有按钮电池盒电池使小弹簧发热

如果您，请告诉我所有我描述的涉及到的电路方法 也就是比如，利用一个小弹簧，利用导线和电池盒电池用按钮烧红，然后拿这个组件做引火导射火药diy纸手枪

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 am looking for a PCB designer with advanced level skills to create a single board computer similar in looks as the raspberry pi compute module 3 ,with the ram interchangeable. Skills and Experience Needed: - Advanced level PCB design skills - Experience in designing single board computers - Familiarity with cluster computing concepts - Ability to provide guidance on component selection

I am looking for an experienced Simulink expert to designing and simulating a control system. The project is of intermediate-expert complexity and needs to be completed in less than a week. Skills and Experience: - Proficient in Simulink - Matlab software - Strong understanding of control systems, battery, especially vanadium redox flow battery - Ability to work within tight deadlines The ideal candidate should have a solid background in control systems, electrical system and be able to effectively use Simulink to design and simulate the control system. Strong time management skills and attention to detail are crucial for completing the project within the given timeframe.

I am seeking a freelancer to develop a portable digital counter activated by a proximity sensor. The purpose of this counter is to count people. Key requirements: - The device should be battery-operated for portability. - The proximity sensor should have a range of less than 1 meter. - Counting range 0 to 9, with reset switch. - The counter should count 1 for every 2 activations of the sensor. - The digit size should be large like 15 mm high. - the device size should not be more than LxWxH: 70x40x6 mm Ideal skills and experience: - Experience in developing electronic devices and circuit design. - Knowledge of proximity switch technology and its integration with digital counters. If you have the necessary skills and experience, please submit your proposal with relevant examples of your ...

I am looking for an experienced circuit designer who can help me create a jamming device for a radio signal. The project requirements are as follows: Range: - The desired range for the jamming signal is 8km-10km. Frequency: - I have specific frequencies that I want to jam, ranging from 10Mhz to 400Mhz. Power Output: - The desired power output for the jamming signal is 40 watts. Skills and Experience: - Strong knowledge and experience in circuit design for jamming devices. - Proficiency in working with radio frequency signals. - Understanding of the specific frequencies and power requirements for jamming signals. - Ability to create a circuit that can effectively jam radio signals within the desired range. - Experience in designing circuits with high power outputs. If you have the nece...

I am looking for a skilled PCB layout designer to assist me with a project. The details of the project are as follows: Size of the PCB: Medium (up to 10cm x 10cm) Complexity of the PCB design: Advanced (Multi-Layer) Type of components to be used: Both through-hole and surface-mount components Skills and experience required for the job: - Proficiency in PCB layout design, particularly for medium-sized boards - Expertise in designing advanced multi-layer PCBs - Familiarity with both through-hole and surface-mount components and their respective design requirements - Knowledge of industry standards and best practices for PCB layout design - Attention to detail and accuracy in component placement and routing - Experience with PCB design software (Altium) If you have the necessary skills and...

I am looking for an electrical circuit analysis expert to help me with my project. Specific type of electrical circuit analysis needed: - DC Circuit Analysis Analysis needed for: - A specific project Ideal skills and experience: - Proficiency in DC circuit analysis - Strong understanding of electrical circuit theory and principles - Experience in designing and analyzing electrical circuits for projects - Ability to provide accurate and detailed analysis for the project requirements

FOC based Motor Controller Voltage Range: 48-350V - The motor controller needs to be able to handle a voltage range of 48-350V with isolated and non isolated varient. Maximum Current Rating: Up to 500Amps - The motor controller should have a maximum current rating of up to 500Amps able to opereate with 2/3 hall current sensor. Control Interface: Analog, Digital, and CAN control - The motor controller should support analog, digital, and CAN control interfaces. -Need a GUI to set all motor and controller parameters. Ideal Skills and Experience: - Experience in designing and developing FOC-based motor controllers - Strong knowledge of power electronics and motor control systems - Proficiency in analog and digital control interfaces - Familiarity with CAN communication protocols - Ability...

I am looking for an experienced freelancer to design and build an induction heater circuit for industrial use. The circuit should have a power output of 40000W and be capable of heating metal objects. Skills and Experience: - Strong knowledge and experience in induction heating circuit design - Proficiency in electrical engineering and circuit design - Familiarity with high power electronics and safety precautions - Ability to select and integrate appropriate components for optimal performance - Prior experience in designing circuits for industrial applications would be advantageous Please provide examples of previous projects or relevant experience in your proposal. The selected freelancer will be responsible for the complete design and implementation of the induction heater circuit, i...

I am looking for a skilled individual who can help me design a circuit in Fritzing. Unfortunately, the components I need are not available in Multisim or Tinkercad. The purpose of this circuit is for prototyping and hobby purposes. Requirements: - Proficiency in Fritzing software - Experience in designing circuits - Familiarity with specialized components such as sensors and microcontrollers If you have the necessary skills and experience, please reach out to discuss the project further. Thank you!

I am looking for a PCB designer to create a DC-DC step up PCB with the following requirements: Voltage Input Range: 12V-24V - The PCB should be able to handle input voltages within this range. Desired Output Voltage: 30V-48V ( Current Control ) Form Factor and Size Constraint: No specific size constraint - The PCB can be designed in any size, as long as it meets the voltage input and output requirements. Skills and Experience: - Experience in designing DC-DC step up PCBs - Proficiency in PCB design software - Knowledge of voltage regulation and stability - Ability to create compact and efficient PCB layouts If you have the skills and experience required for this project, please submit your proposal. Atthached a PICTURE of similar PCB. I need a reverse eng. of this. ...

I am looking for a freelancer to help me with my project to control 3 dampers on a temperature probe. The ideal candidate will have experience in electronic control systems and a strong understanding of temperature regulation. Requirements: - Experience with electronic control systems for damper control - Knowledge of temperature probes and their operation - Ability to design and implement a system to prevent overheating - Familiarity with room temperature range and its implications on temperature control Skills: - Electronic control systems - Temperature regulation - System design and implementation - Troubleshooting and problem-solving If you have the necessary skills and experience, please submit your proposal.

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 am looking for a skilled freelancer who can design a high frequency generation schematic 40kHz for a commercial product. The requirements for the project are as follows: Frequency Range: - The high frequency generation should be capable of 40 kHz and 300W output power. Intended Use: - The high frequency generation will be used for a commercial product, so it needs to be designed with reliability and efficiency in mind. Component and Technology Specifications: - The generator should be able to programmable and adjust the output in real-time. Ideal, a microcontroller for generating SPWM. Skills and Experience: - The ideal freelancer for this project will have experience in designing high frequency generation schematics. - They should be knowledgeable about the various components and te...

PCB Design(wearable) for Consumer Electronics Project Requirements: - Multi-layer PCB design - Size and dimension assistance needed - Intended for consumer electronics application Ideal Skills and Experience: - Strong knowledge and experience in PCB design - Proficiency in multi-layer PCB design - Familiarity with consumer electronics requirements and standards - Ability to provide guidance and assistance in determining the size and dimensions of the PCB - Attention to detail and ability to meet project deadlines

Electrical Engineer I am Imran Rashid and I am founder of company named SMALL WORD ONLINE SERVICES registered since 2013 in UK. We offer various services including Electrical Designs to our clients. Due to expansion of our business, we need more contractor who can provide the best services to our clients. I’m looking for Electrical Designs. He/she shall expert in Electrical Designs and hardworking. If interested please Provide a few examples of your work and let me know what you charge for a given level of quality. Also, so I know that you’ve read and understood this job post, please start off your response with how many years you’ve been doing this for. Cheers, Regards Imran Rashid

I am looking for a freelancer who can use Simulink to analyze a high voltage generator schematics. There are a few modules in the schematics, including - a PWM control module, which takes the inputs of preset parameter and the sample feedback to auto-adjust itsPWM output - HV Drive that drives the HV power module - HV power module that contains a transformer and a Voltage Multiplier. It also samples the voltage and feedback to the PWM for auto-adjust. The schemeatics will be provided. Analysis Required: - I am looking for both efficiency and stability analysis from the Simulink model. Ideal Skills and Experience: - Proficiency in Simulink and its various analysis tools - Strong understanding of high voltage generator schematics - Experience in analyzing efficiency and sta...

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

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.

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...