Microcontroller Programming Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $200 - Posted
Looking for experienced image processing professional who also has skills in software development and control systems development to write a program that uses clipping path software to identify the outline and fill of a shape from a picture and create pixel bit map data. These will be raw images from a cell phone type camera, in close range (1-2 inches). Sample image attached. End result will be a program that identifies specific fill area data for printer to print based on specific pixel coordinates.
Skills: Microcontroller Programming Agile software development Clipping Path Digital Engineering
Fixed-Price - Expert ($$$) - Est. Budget: $500 - Posted
My project is to create synchronous rectifier for automotive alternator. I have already finished with the hardware (picture attached), now I need help with the software part. Basically it is three-phase bridge, created with low resistance MOSFET transistors, which need to be activated/deactivated at the precise time in order to turn input three-phase AC voltage into output one-phase DC voltage (12V). No voltage regulation is needed, this is done externally by dedicated voltage regulator, which does not require any interaction. The hardware will be controlled with Texas Instruments F28069 controlSTICK microcontroller (this is a must), so I need somebody with experience in programming Texas Microcontrollers. For more details, please do not hesitate to contact me. Already completed: - GPIO - ADC
Skills: Microcontroller Programming C Electrical engineering Electronics
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
The project is splitted in two parts: 1. We are looking for a hardware design of a battery driven (2xAA) microcontroller with Wifi which collects the status of up to 21 wired micro switches. The hardware design (SMD) and data (drawings and parts specification) must be ready and specified for standard manufacturers (international). The hardware must be very low cost and simply available in high quantities. The hardware must be ready to ship in all countries (FCC, CE etc.). 2. To get the hardware up and running we need a specific firmware which guarantees, that the batteries last for more than 3 years (wake up every hour and send a signal via Wifi). The hardware must also communicate via Wifi and internet with a simple and lightweight backend which stores the editable name, a product link and the status of each switch and the editable name of each pcb. This data must be accessible via an simple to use API. The backend will be used by thousands of users and should be hosted on a very simple and cheap server. The platform has to be secure by design and a customer only can see his own hardware status. For both parts please give me a guess what the development and the product in quantities like 10000pc. p.a. will cost.
Skills: Microcontroller Programming Java PCB Design
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
I have some basic Arduino Coding I need done. It involves activating 2 relays when a switch is turned on then keeping them on for 15 seconds before deactivating them. There will also be 5 LEDs that light up in sequence. I have attached a more detailed list of the steps needed. It would also be very helpful to have some sort of wiring diagram showing which pins to connect the components to.
Skills: Microcontroller Programming Arduino C C++
Fixed-Price - Intermediate ($$) - Est. Budget: $75 - Posted
I need an Arduino expert to create one consolidated and reliable INO program for an Arduino Mega 2560 from a number of seperate ones that I have developed (I'm beginner-intermediate at Arduino) that is completely refactored with functions wherever possible and extensively comment the code so that I may tweek it. It will involve an Arduino web server, web client, NTP time retrieval, DS18B20 temperature probes, PWM output IRF3710 MOSFETS, current monitoring, voltage monitoring, DSP filtering libraries, automatic MPPT mode (not sure which algorithm yet) and implementation of a data logging method to a cloud provider. See files in attachment for more details, circuit diagram, and reference code. If interested please reach out to me and I will provide more details on the design and the code that I have developed. I am unsure on what my budget should be for this project so it is negotiable. Hourly will work for me if I have a relatively good estimate of time to reach targets.
Skills: Microcontroller Programming Arduino Electronics HTML
Fixed-Price - Expert ($$$) - Est. Budget: $250 - Posted
Greetings, I'm looking for an expert on embedded electronics with experience integrating capacitative touch with Atmel ICs. The chip would monitor cap sensing and reduce power consumption by an order of magnitude. This is a short project with a 1 week deadline and you will be building, testing, and confirming a working design I'm based in Boston, MA. If you are nearby, I can provide the chips and equipment for the work.
Skills: Microcontroller Programming Electrical engineering Electronics Embedded Systems
Fixed-Price - Expert ($$$) - Est. Budget: $150 - Posted
I have a Raspberry Pi 3, and this servo: http://www.robotshop.com/media/files/PDF/pq12-datasheet.pdf (version R). I need a python script that allows me to control/set the position of the servo smoothly. Currently I am using this tutorial's software: http://razzpisampler.oreilly.com/ch05.html but it is far too jittery. Basically I need servo control on the Raspberry pi in a modular, small, simple to use script.
Skills: Microcontroller Programming Raspberry Pi
Fixed-Price - Intermediate ($$) - Est. Budget: $5,000 - Posted
We are seeking a hardware/ firmware developer to adapt a readily available in the marketplace embedded computer development board for our needs. The board should provide a network access option for our HMS series RF power amplifier for a remote control, remote status monitoring and instrumentation data using an embedded HTTP Web server accessible via TCP/IP over 10BASE-T or 100BASE-TX Ethernet.
Skills: Microcontroller Programming Analog Electronics Digital Electronics Embedded Systems
Fixed-Price - Expert ($$$) - Est. Budget: $400 - Posted
We have a newly designed PCB board without embedded firmware. The board has (3 x FLASH ICs, capacitive TOUCH screen, MicroSD, Ethernet, power management for battery and POE, interface for WiFi or GSM module, NFC Mifare … etc.) we’re using Renesas MCU Rx Family (RX62N) – part number R5F562N8BDBG. For embedded software, we’re using Segger RTOS and we already did build a full operating firmware for another PCB board using almost same parts (modules). However, our electronic engineer has changed the interface Pins between the MCU and the modules (NFC IC, MicroSD, IC Flash, … etc.) which is using the following interfaces (SPI, UART, I2C, and GPIO). We need to reconfigure our libraries (SPI library, UART library … etc.) to work with the new board. Because we don’t have enough SPI and I2C interfaces in the MCU, we may need to use soft SPI and I2C. the following is list of the interfaces need to be configured/written to let the firmware work with the new board: - SDRAM IC interface - MMC Memory Card IC (SPI interface) - Capacitive Touch (I2C interface) - Serial Flash IC x 3 (all in one SPI interface with chip select pin) - EPROM IC (I2C interface) - LED Driver IC - RTC IC (I2C interface) - Configure 6 UARTS to communicate with other modules. - ADC for battery level. - RFID IC (SPI Interface) - Buzzer, Relay, LED, etc. - HID IC (UART Interface) - USB Host interface - POE IC (AS1834) I2C interface
Skills: Microcontroller Programming C Circuit Design Computer Engineering