Electrical Engineering Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
I have a nrf51822 ble module in hand and I have started programming for it but I am stuck in following areas. Application requirement: there is an Ionic application that needs to be in sync with the nrf51 module. nrf51x is using arduino ide ( so no mBED coding). from cellphone side, I need to send some control commands ( which I am sending no issue), and then nrf51x is processing the commands and it need to return some logs( lots of information! ) . nrf51x is also connected to these : External RTC ( which is working fine, but if you know how to enable the internal RTC module that is a plus), i2C oLED and also some push buttons that give interrupt to nrf51x! issues I am facing now: 1- I need nrf51x do his loop functions ( whatever it suppose to do) , when the packet came from the cellphone app, it receive the information and also sends a long log to the cellphone ! then does the loop function again! something like if a packet comes, an interrupt comes and in the routine of the interrupt the nrf51x sends long log to the cellphone. 2- I have a SPI microSD flash card that is not working with the nrf51x , I need to drive that one as well, just a simple read and write is enough. 3- I noticed that my external RTC module is working fine, also my push button interrupt is also working fine , but when I have a code containing both, some times the interrupt does not work! I dont know why! so requirement here is if you know how to use the internal RTC and also add 3 pin interrupt that work all the time that satisfies my requirement. 2- I need some help with sending nrf51x into low power mode that is just sensitive to external interrupts and also bluetooth received packets interrupts. I need someone who has worked with the redbear nrf5x boards before and have done this type of programming, cause starting from the scratch might be very painful. Thanks
Skills: Electrical engineering Arduino Bluetooth Embedded Systems
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Looking for an experienced electrical engineer based here in the US. Design and come up with method necessary for apparatus to operate with a thermometer. The end result would be a drawing and plan that shows schematic diagrams which depicts an apparatus. If candidate works well with initial job post, there will be additional phases as well in to follow. Must have a thorough understanding of wifi and apps.
Skills: Electrical engineering
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
I have an existing pneumatic system that is controlled by manual needle valves to change the vacuum strength and fluid flow. I'd like to update the functions to be controlled electronically by an HMI. I currently have a monitor already and board controls. But I'm not sure of the setup, if I should you a solenoid valve or adjust the power of the pump to change the vacuum. I just need to find the intermediate part that the HMI can adjust to change flow.
Skills: Electrical engineering Engineering drawing Mechanical Engineering
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
I'm looking for help from an engineer who can help me create a prototype of a toy lego drone, similar to this one: https://flybrix.com It'll need to be controllable by a phone app (I will be developing it) via bluetooth or wifi and should be easy for a children to assemble and fly indoors. My idea is to make this product into a toy kit and I'm looking for someone who I can work closely with on this side project. Cheers, Ben
Skills: Electrical engineering Engineering Design Hardware Prototyping
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
Hello! Looking for an engineer to assist on a project. We are looking to drive a small car left and right on a track freely, using an encoder to trigger a stop at each end of the track. The user must be able to drive the car freely left and right at variable speeds. The controller must be equipped to stop at the end of the track, in the same position regardless of speed the operator is traveling. This is the basic idea, but there are some more small complexities involving a UI system and parameter controls. This could definitely lead to more work and multiple versions of the same product.
Skills: Electrical engineering Engineering Design GUI Design Microcontroller Programming
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
I need assistance from an electrical engineer to layout an electrical board for a project I'm working on for a client. I also need component and placement suggestion. I will provide specifics to applicant.
Skills: Electrical engineering
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
We are a start-up working on building true wireless earbuds with a capsule that charges the earbuds wirelessly. At this stage of the development we have all the engineering docs of the product but more improvement is required, on the charging system and a few other things so we are able to start the mass-production. We are looking to hire Electrical engineer to work with our team to fix the charging issue and a few other things. more details will be shared after we hire. What needs to be done: Fixing the earbuds and the capsule charging issues PCB, firmware and BOM analysis Play and stop button issue Technical Documentations More details will be shared after we hire. Thank you
Skills: Electrical engineering Altium Designer Circuit Design Digital Electronics