Embedded Systems Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $400 - Posted
Looking for someone to modify the firmware of the Afro ESC (And related ESC) to allow for (I) near linear speed response curve and (II) write Arduino code to setup PID closed loop controller using the built in rpm sensor. The PID controller should be able to take an input servo signal and set the speed on the motor appropriately. The mapping of PWM to speed needs to be settable in the code to allow for different motors to be used.
Skills: Embedded Systems Arduino Microcontroller Programming
Fixed-Price - Intermediate ($$) - 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: Embedded Systems Arduino Bluetooth Electrical engineering
Fixed-Price - Expert ($$$) - Est. Budget: $50 - Posted
Hi, We want to extract the source code from a Firmware of smart watch. The firmware can be downloaded from below link. https://goo.gl/gVufGP The firmware is for a Smart Watch. The Smart Watch has MT2502C chip from Mediatek. You can search on Linkit Assist and SDK. We need the source which can be easily changed and reassembled into executable file and can be uploaded to Smart Watch. Regards
Skills: Embedded Systems Embedded C Embedded Linux Mobile Development Framework
Hourly - Expert ($$$) - Est. Time: Less than 1 month, 30+ hrs/week - Posted
Complete High speed routing of FPGA, IO, DDR3 ram, power supply based on supplied schematic and board layout. All DDR3 routing needs to conform to DDR3 standards. Design will conform to our design standards and package requirements. All design routing constraints will conform to component manufacturer standards.
Skills: Embedded Systems Electronic Design PCB Design
Hourly - Expert ($$$) - Est. Time: Less than 1 week, 30+ hrs/week - Posted
Looking for a creative embedded systems consultant to assist in the feasibility of developing a consumer focused product. Person / company needs to be open minded and excellent at conceptual design with a wide range of experience rather than a specific area of expertise. Excellent communication skills a must. Subsequent phases (if successful) would be to assist in the design of test units. There is also a requirement for a significant software build beyond the embedded product that would run the service but would likely be separate from base build. Project is subject to NDA. This project would not suit somebody whom operates from strict processes and insturctions (at this stage),
Skills: Embedded Systems Firmware Engineering Hardware Prototyping Product Design
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
We are a start-up working on building true wireless earbuds with a capsule that charges the earbuds wirelessly. At this stage of the development we have all the engineering docs of the product but more improvement is required, on the charging system and a few other things so we are able to start the mass-production. We are looking to hire Electrical engineer to work with our team to fix the charging issue and a few other things. more details will be shared after we hire. What needs to be done: Fixing the earbuds and the capsule charging issues PCB, firmware and BOM analysis Play and stop button issue Technical Documentations More details will be shared after we hire. Thank you
Skills: Embedded Systems Altium Designer Circuit Design Digital Electronics
Hourly - Entry Level ($) - Est. Time: Less than 1 month, 10-30 hrs/week - Posted
A small project. RF PCBA Schematics & boards are ready. I just need development of remote control's PCBA to pair them with the RF IC. Limited to ON/OFF button functionality. I need this done within 1 day. No need to build prototype since I can do myself and test the result. More info will provided to the selected freelancer.
Skills: Embedded Systems Microcontroller Design Microcontroller Programming PCB Design