Circuit Design Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $40 - Posted
We are using the following module: https://www.amazon.com/gp/product/B00BYRJXGA/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1 This module accepts 36v from a regulated power supply and turns it into a variable voltage power line for a resistive heating element. We want to replace the module with through hole components on our own board. Working output voltage will be from 3.0 up to 5.0 volts with maximum of 10A currnet. Deliverables include BOM with Digikey/Mouser part numbers, schematic & wiring diagram, and answering any questions along the way. Payment will be released after parts are received and tested on a breadboard (2-3 working days).
Skills: Circuit Design Electrical engineering Electronic Design Electronics
Fixed-Price - Expert ($$$) - Est. Budget: $5 - Posted
Looking for an experienced RF engineer capable of PCB design (preferably on ADS or Altium). Currently we have a PCB design that accommodates a state-of-the-art 122 pin chip. However, the current design relies on external SMA connections to connect to two hybrid couplers and 2 3db couplers. I need to have these couplers on the transmission lines of my PCB and shrink the size of the board. Also, to achieve this goal, we need to replace a D-sub with a micro-D connector.
Skills: Circuit Design Altium Designer Analog Electronics Electrical engineering
Fixed-Price - Expert ($$$) - Est. Budget: $7,000 - Posted
Looking for 6-8 months project related converting cad designs (pixels in designs) to stepper motor/solenoid valve movement (similar in the lines of 3D printer working), need for experience in dealing with very small scale stepper motors/solenoid valves with high numbers operating in sync with the design pattern at a single point in time. some key expertise looking for 1) CAD software 2) Micro-controller programming 3) Stepper motor/solenoid valve programming 3) 3d printing of modules assembly (for prototyping and future production) 4) Experience in building prototype of machines 5) Basic physics If you suit the above criteria and are willing to sign NDA before i disclose the project in detail please contact me
Skills: Circuit Design 3D Modeling Arduino Device Driver Development
Fixed-Price - Intermediate ($$) - Est. Budget: $500 - Posted
Hello, I am working on a new type of interactive toy that records 5-10 seconds of audio (ex. human speech) and then sings the recorded back in a variety of musical styles (rap, jazz. etc.). The toy must also be able to add random words and phrases to the pre-recorded text, such as "cool", "I love it", etc. Previous experience in circuit design, software & hardware to record and process sound is required. Contact me for more details.
Skills: Circuit Design Audio Engineering Electronic Design Embedded Systems
Fixed-Price - Intermediate ($$) - Est. Budget: $500 - Posted
Looking for an experienced Designer for designing Circuit, PCB and Working Prototyping for the following : 1) To monitor Temperature in Real Time for a Commercial Glass Door Frost Free Refrigerator 2) The number of Times the Door has been opened / closed 3) How long the door remained open 4) If the Refrigerator has been moved from the place it was installed on 5) Record the above with Date/Time stamp for each day. 6) Output of the Above Information to be collected in a Laptop/Tablet using Ethernet RJ45 Cable or USB Cable (or suggest any other way to collect the data) 7) Maintain Records for each Refrigerator assigning Unique Id to each Refrigerator. 8) A Simple interface program to collect the data from the device and display in Simple English / Mathematical Sheet.
Skills: Circuit Design PCB Design Product Design Product Development
Fixed-Price - Expert ($$$) - Est. Budget: $2,000 - Posted
Stop Voleur is a connected wearable which prevent the loss and the theft of smartphones. Hung to a watch, a bracelet, a bag or a jacket, Stop Voleur is connected via Bluetooth to your smartphone and triggers an alarm as soon as it is spirited away from you. The further you are, the louder the alarm is. Thus, in case of theft, the robber is forced to give up the phone and leave shamefully. In the event of loss or omission, you are immediately notified by the alarm and just have to pick up your favorite item.
Skills: Circuit Design 3D Printing Bluetooth Electrical engineering
Fixed-Price - Expert ($$$) - Est. Budget: $1,000 - Posted
Dear all We are interested in designing, and prototyping and printing a compact embedded system which will comprise of a small hardware unit with the following tasks: SCENARIO A (with button) 1.A device comes with a button. 2.The device also includes a cell phone sim card. 3. When the button is pressed, an SMS message will be transmitted. Optionally a REST API call to a remote server over WiFi or a Bluetooth signal. SCENARIO B (with motion sensor) Same as scenario A, utilizing a motion sensor as a trigger. The ideal unit diameter would be 2~3 cm yet there are physical limitations for designs over 5-8 cm diameter. You may provide similar work samples and related experience in your response. Please provide an abstract hardware cost estimation (prototype/mass production). Please provide further information on the design process you are familiar with (PCB design software, microcontroller of choice, design process, prototyping, testing, etc). An estimation of project delivery time is also required. Please apply responsively. Best Regards
Skills: Circuit Design Atmel AVR Integrated Circuits PCB Design
Fixed-Price - Intermediate ($$) - Est. Budget: $500 - Posted
Hi, i am looking for an experienced circuit designer who not only is good at what they do, but also has the passion and motivation to creating something brand-new! We are a young company with a vision and a path to success. We not only want a skilled individual to complete this project, but instead want someone to join our team and create something magical. Our company is based around being innovative and achieving something unique and exciting! The companies main goal is to achieve great customer satisfaction along with a well designed and executed end product. The product we are developing will be a drone that will follow a wristband or clip that will be placed on the customer. We will be attaching a camera on the bottom so the drone will have to have camera stabilization technology. We also want to achieve a battery life of more then 15 minutes and still be light weight. For further information please feel to message me and ask questions. As a team we are looking for a skilled individual who has the skills and knowledge in circuit boards technology. Someone who knows what is needed to create this project and can help suggest the best and up to date technology. We are a startup company and are trying to do something different with drones. Looking forward to seeing what you guys have to offer, thanks for your time and best of luck!
Skills: Circuit Design Drones GPS Development Integrated Circuits