Circuit Design Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $125 - Posted
For this job, you will be required to complete a total of 6 lab reports (Labs 4 + 6-10) and simulate digital logic circuits in a program such as Logisim ( or LogicWorks or any digital logic simulator. You must use simulation software to check your work and build schematics, saving schematic files, as well as taking screenshots of the schematics being simulated successfully. You will need to save every Logisim/simulated schematic file (.circ) as you build it while completing the steps of each procedure in each experiment and submit with a well formatted report. When submitting for review, you will send the report, the .circ file, any screenshots of a simulated circuit, and any other relevant information/data. Laboratory Experiments 1-3 and Lab 5 have already been completed. You will only need to do Experiments #4 and #6-10. View the EXAMPLE files to see how the work was done and how to set up and format properly. I have included COMPLETE examples of Labs 2, 3, and 5. You can view INCOMPLETE and possibly inaccurate Lab examples 6, 7, and 8. However, these may be incorrect results and still do not have the simulated digital circuit. The only real work is completing the questions, any calculations, and creating the schematic being simulated for the lab experiment. Skills required: Electronics, Digital Logic, Circuitry, Knowledge of Components, etc. Compensation is negotiable depending on your skills and how well you do on the reports.
Skills: Circuit Design Digital Electronics Electrical engineering Electronic Workbench
Fixed-Price - Intermediate ($$) - Est. Budget: $500 - Posted
Hello, I am working on a new type of interactive puzzle maze toy which responds to player actions (ex. tilting the toy, driving the metal ball to a specific destination, etc.) by playing pre-recorded sounds and flashing LEDs This toy is similar to Rubiks Rock&Roll maze: Previous experience in circuit design, software & hardware to manufacture interactive consumer products is desired. Contact me for more details.
Skills: Circuit Design Audio Engineering Electronic Design Embedded Systems
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Greetings, We are in the midst of developing a wearable device for infants to measure BLOOD OXYGEN, HEART RATE AND BODY CORE TEMPERATURE. The wearable needs to be bluetooth integrated where the data is remotely transmitted to a Windows application where the staff will remote monitor device data. We prefer using Maxim sensor and a reliable but easy way to measure body core temperature. We need product design help as well to enclose the PCB. The PCB will be charged either by Micro USB or magnetic clip like most smartwatches. All interested participants SHOULD have the following experience: - MAXIM PULSE OXIMETER SENSORS - HEALTHCARE WEARABLES FROM CONCEPT TO PRODUCTION FOR INFANTS - PRODUCT DESIGN FOR WEARABLES FOR INFANTS Looking forward to all proposals.
Skills: Circuit Design Bluetooth Electronic Design Embedded Systems
Fixed-Price - Expert ($$$) - Est. Budget: $2,000 - Posted
We need a schematic for a digitally controlled variable power supply that can switch between AC and DC and can switch polarity for DC voltages. Needs to be stable and precise. Voltages need to vary from 0 to 30V, and 0 to 5 amps. This needs to all be controlled by a Raspberry Pi 3. We can handle all the programming - just need the circuit design.
Skills: Circuit Design Electrical engineering
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
Looking a hardware engineer ready to handle the design of a PCB starting from scratch to the first prototype or design for production. Schematics, components sourcing, PCB design. We currently have a prototype of our product using a Metawear CPro ( ), a NeoPixel LED ring, an FSR and a battery. To get closer to production, we need our own PCB, and that's where you come in ! You will be working on a wearable device with the following components and sensors : - BLE - gyro / accelerometer - magnetometer - Lithium battery - 12 RGB LEDs Ongoing project, no rush.
Skills: Circuit Design Electrical Drawing Electrical engineering PCB Design
Hourly - Expert ($$$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
Looking for an experienced electrical engineer with audio circuit and consumer electronics experience to help with development of our prototypes. We are looking for review, feedback, design contribution on a number of fronts: -optimal microphone configuration (component selection, amplification, etc) -diagnosing and troubleshooting of audio issues such as popping noise -optimal audio output/speaker circuitry (amplification, exact specifications).
Skills: Circuit Design Audio Design Electronic Design Electronics
Hourly - Entry Level ($) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
I've recently started the creation of an new electronic device, and am I need of assessment on the process. I currently have the circuit schematics, pcb layout, and design, of the electronic device. I'd like someone who can evaluate it's compatibility/functionality, and if found inadequate, redesign/remake, circuit schematic and PCB layout, program the micro controller, as well as, evaluating and debugging an inicial prototype, when possible.
Skills: Circuit Design Analog Electronics Digital Electronics Embedded Systems
Fixed-Price - Expert ($$$) - Est. Budget: $2,000 - Posted
I'm looking to create an all in one VR device similar to this: Looking for someone that can create the internals of the device, should be similar specs to the link above. This device will run Android. Basically looking to put the internals of a high end android phone into an all in one VR headset. If you're a product designer too that's even better.
Skills: Circuit Design Electrical engineering