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Microcontroller Programming Jobs

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Fixed-Price - Est. Budget: $ 150 Posted
More details can be give upon request. In general we need you to code the software for an arduino device. OBJECTIVES: Must function off raspberry PI, or other arduino device on a full color screen (we can provide most drivers) It will need to turn on and show a spash screen before reaching main screen. Device must read from our Thermocouple module. Must be able to display set temperature read with thermocouple, and raise or cool accordingly to get to a user set temperature. Home main screen will have a menu system, all touch screen activated. We will supply general GUI sketches and provide all graphic design work needed. You must need to know about PID tuning, arduino development, and the concepts of relays, using arduino to trigger one, etc.

Fixed-Price - Est. Budget: $ 25 Posted
We need an arduino sketch created for an Arduino Uno R3. The sketch is simple, and we are hiring out just to spend the time of writing it on something else. Inputs (1) Analog input from a current sensor 0-5V - "CURRENT SENSOR" (1) Digital Relay (pushbutton contact closure) - "PUSHBUTTON" Outputs (1) Relay - Motor Control "MOTOR" (1) Relay - LED Indicator Control "CYCLE ON" This is a timer circuit. The user pushes the PUSHBUTTON. Once the pushbutton is momentarily closed, it starts a "CYCLE". The CYCLE ends when the pushbutton is pushed again, or the timer ends. For this scope we will Call the timer variable "SWEEPRUN" and define it initially with a value of 3 hours During the cycle, - When the CURRENT SENSOR reports that current is present: - The MOTOR output is ON - The CYCLE ON LED output is on SOLID - The timer continues counting to the value of SWEEPTIMER - When the CURRENT SENSOR reports that current is present: - The MOTOR output is OFF...

Fixed-Price - Est. Budget: $ 100 Posted
Hi, I need someone who will help me in finalizing a Pulse Oximeter. Person should have end to end experience. He / she will help finalize the components, build a prototype on a bread board. He needs to then help advise relevant fabricator to help fabricate the PCB prototype and then help in the PCB assembly. Person will help in procuring / identifying relevant components / material to procure. He will also inquire and advise with respect to the PCB fab / assy. He will help put together the prototype which will be used for a feasibility research project. Some related links to get an idea of type of produt we are looksing at. http://www.aliexpress.com/item/Christmas-gift-light-and-portable-iHealth-Wireless-LED-Hand-Hold-Pulse-Oximeter-PO3-iPhone-iPad-iPod/1498585348.html http://www.aliexpress.com/item/PC-based-infant-pulse-oximeter-CMS-PN/463734958.html http://www.aliexpress.com/item/New-Wireless-module-NodeMcu-Lua-WIFI-Internet-of-Things-development-board-based-ESP8266/32307066449.html Since...

Fixed-Price - Est. Budget: $ 400 Posted
We are looking for Hardware Designer who can design the PCB and select suitable components to match the detailed requirement and functionality, the aim is to replicate the Garmin 1000 PFD & Audio Panel. The design requires a routing/layout of tracks for the switches and knobs and interface with the controller. The circuit would require converting the switches and button presses to USB interface utilizing either the Leo bodnar BBI 32 or a separate circuit all together with a driver. The Display screen sourced to match the size of the actual unit should have a VGA interface. A second revision option should have the capability to install an Rpi to drive the display and in interface the input buttons. There should also be an option to place SMD LEDs to provide for Backlighting capability and have easy interface/connectors to replace any key during maintenance activities.

Fixed-Price - Est. Budget: $ 100 Posted
circuit board to measure air pressure. and an LCD display circuit chould be very small in size. air pressure uo to 9 bars. after completing the project circuit and LCD and all related parts Hardware and software and code and diagrams should be shipped to me LCD should display consumption level, when it should be empty, I think this is all simple formulas. My Budget is in the $100 range includes shipping, part prices, unless i can approve, if you are not interested please withdraw from this project thanks

Fixed-Price - Est. Budget: $ 20 Posted
"I have a dream..." I want to build an electronic board for a smart home project. I need digital inputs (for buttons, dry-contact), digital relay outputs (230V, 16A), and some basic logic (like a way to communicate with the board via MODBUS registers for example, and get inputs when button pressed and change register value to make a light ON or OFF). If you know about logic, electronics, PCB design, etc. - I'd happy to hear your insights about making such a board. Also, I still don't have an idea of how can we design that board on your place, and have it working at last - on my place. I'd be glad to hear good ideas for that. (designing it, making it, putting on all components, and seeing it at work..) Thanks.

Fixed-Price - Est. Budget: $ 300 Posted
I need someone locally in US to make a modification to my UI software for a cell phone charging kiosk. My original developer had an unexpected health issue arise preventing him from making the changes, but the code is developed and he will still be able to provide remote guidance. The android app controls a pcb that runs a kiosk. www.securechargesolutions.com I will ship the entire electronics setup to your location, all components needed, turnkey, and provide all code and previous developer notes and assistance. We just need to change a couple of steps on the UI flow, and troubleshoot the detection of the charging cables coming from the pcb. For a good programmer familiar with electrical controls it should be a very quick fix, I just do not possess the required coding skills to fix in a timely manner and am unable to ship it overseas so need a local developer. Pay is flexible if project becomes larger than expected, however I believe that a solid programmer will find it to be very...

Fixed-Price - Est. Budget: $ 25 Posted
We need a ESP8266 programmed, the program will be fairly simple i will explain as we get further into detail. I also want to be able to program it with the circuit we are designing (plug and play so please have some knowledge on understanding a PCB board and some input on how we can accomplish this). I will explain more in detail this is strictly a programming small job.

Fixed-Price - Est. Budget: $ 15 Posted
Hello, Please visit these 2 URLs. 1) http://www.instructables.com/id/ARDUINO-ENERGY-METER/ 2) http://www.homemade-circuits.com/2013/03/simple-dc-ups-circuit-for-modemrouter.html Your job is to mix these 2 circuits. Changes you have to make: For link 1: use arduino nano instead of arduino uno. I dont want to use ethernet shield. All the values have to be put in csv file and sent through usb port to computer. For link 2: You need to optimize this circuit to 12V/5amp DC from solar panel input(controller will be present). Now the arduino nano present in link 1 have to measure the voltage,amp and wh for link 2 circuit: i) electricity used to charge the battery ii) electricity supply in case of power failure from mains (No solar input) iii) electricity supply directly to modem (from solar controller to modem) The link 1 meter should send the values of these 3 cases in every 1 sec. You need to send me all the required parts (in detail with the part number), arduino...