Digital Electronics Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $1,000 - Posted
Brief: to develop a working prototype MIDI instrument that controls computer music software. The device will use a microcontroller and will consist of a printed circuit board. The prototype will involve developing the hardware and the software. Using off the shelf components and existing open source code. Requirements: ● Preferably works with an iOS device to operate GarageBand’s virtual instruments ● Velocity sensitive buttons ● A matrix of 28 buttons, which are velocity sensitive and trigger MIDI notes. ● LEDs will light up when buttons are pressed ● The LEDs which light up the buttons need to be multicolor LEDs that light up according to the note. ● Powered by 240V mains You will need to design a working prototype. The final prototype will use an existing microcontroller (Arduino or rasberry Pi) and/or a full printed circuit board. Excellent english skills are a must
Skills: Digital Electronics Arduino Electronics Hardware Prototyping
Fixed-Price - Intermediate ($$) - Est. Budget: $1,000 - Posted
There are 3 elements to this contract 1) $100 to any one who can find and source this item if it is already manufactured. 2) $300 - $500 to adapt or build from scratch the device (with all documentation). I will include any expenses that are needed (purchase of items etc) 3) To develop an app to work with the above project. Price negotiable. The concept I need a transmitter (with 4 - 6 settings) As small and lightweight as possible. The settings are set manually (as easiest).. to trigger a different "signal" to the receiver. I need a receiver/transmitter, that is attached to a RGB led strip. That once the transmitter above goes within a meter, it lights up ...corresponding with the setting on the transmitter. So if the transmitter is in position 1 the receiver/transmitter lights up blue, 2 = red, 3 = green etc.... The transmitter will be moving , but the receiver will be stationary. The transmitter will move quickly (running or on a bicycle), so it needs to trigger quickly. Power to be internal. The app....once the light is triggered in the receiver/transmitter....a signal would be sent to the app to say its been triggered, and assign a name (like Bob on his bike) to that colour. Any questions ask please. I dont mind, if someone wishes to just build the device as long as good documentation and access to the app developer is apparent, and in place.
Skills: Digital Electronics Hardware Prototyping Mobile Programming
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, Less than 10 hrs/week - Posted
We are a major player in the Escape Room Market and we're going to finance what we think is a very interesting and innovative project aimed at developing an hardware and software platform to control each prop and puzzle in the game and the overall game experience. If you don't know what an escape room game is, please take a look at http://www.adventurerooms.it/en In brief, the main concept of the platform is the following: - Each prop or puzzle in the game will be controlled by a "control brick", a modular hardware platform composed of a small box, with a main wireless board (based on 8266 chip) and actuators and sensors attached to the main board (ex: touch sensors, buttons, magnetic locks, linear actuators, etc..) - Other auxiliary bricks can be attached to the main control brick to add input outputs or sound to the prop. Es: if the puzzle requires 6 input and the main control brick has only 4 inputs, it's possible to attach an I/O expander auxiliary brick to the main control brick. Similarly, if the prop or puzzles requires sound, it's possible to attach a sound brick to the main control brick. - The ESP8266 of the control brick will be reprogrammable. The firmware will be updated over the air (OTA) using a web application. - No central controller. Each prop and puzzles will act autonomously, as the logic will be programmed in the ESP8266 - The web application offers a visual interface to program the firmware of the control brick. In such a way even a non tech guy can program the logic of the prop using building blocks and a visual programming language. For reference take a look at google blocky as a library to create a visual programming language. We're looking for talented people to build the team which we assume could be composed of a couple of professionals covering one or more of the following expertises: 1) Schematic drawing and PCB design 2) ESP8266 programming 3) Full stack web application, preferably using mongodb, nodejs, javascript frontend but open to other platforms as well 4) Web design (layout and graphics) If you're willing to join the project please let us know which of the listed expertises you're willing to cover. Please also add a cover letter. Proposals without adeguate comprehension of the project will be archived. We've made extensive research on technologies suitable to be used and we will discuss them with people interested in joining the project.
Skills: Digital Electronics Arduino C++ Electrical Drawing
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
We need your help in specifying an Industrial inkjet system to purchase. We guess that the Ricoh Gen4 inkjet head is the optimum head for our use. And we like to buy our parts on AliExpress. The first Milestone will be to review our ink specifications and to eyeball the available components at AliExpress to get a feel for the optimum printer for us to purchase. The second milestone is to identify and obtain off-the-shelf shareware software to drive the inkjet head, especially since our graphics is non variable and simple bitmap graphics. The third Milestone would be to shop for the components at AliExpress, Etc for parts for the system. The fourth Milestone would be to write a hand-drawn schematic showing the wiring of the components and the tubing and etc for the complete system. Thank you for your interest, Allen Engel.
Skills: Digital Electronics 3D Printing Analog Electronics Electronic Workbench
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
We are a start-up working on building true wireless earbuds with a capsule that charges the earbuds wirelessly. At this stage of the development we have all the engineering docs of the product but more improvement is required, on the charging system and a few other things so we are able to start the mass-production. We are looking to hire Electrical engineer to work with our team to fix the charging issue and a few other things. more details will be shared after we hire. What needs to be done: Fixing the earbuds and the capsule charging issues PCB, firmware and BOM analysis Play and stop button issue Technical Documentations More details will be shared after we hire. Thank you
Skills: Digital Electronics Altium Designer Circuit Design Electrical Drawing
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
We are using a photosensor ISL29035 from Intersil for using in a colorimeter. We have the circuit for the development kit. The development kit uses a Silicon Labs 8-bit MCU. We want to redesign the circuit so that we can have the data from the sensor displayed on a 7-segment display and be sent through GPRS on our server.
Skills: Digital Electronics Embedded C Embedded Systems Microcontroller Programming
Fixed-Price - Intermediate ($$) - Est. Budget: $300 - Posted
I want to use the csr8670 module in a toy project that I am working on. I have 4 toys equipped with csr8670 bluetooth/MP3player and 7 servo motors. I want to get connected to the toys altogether, and choose an one of them and send a short audio file to that toy and data to drive some servos on that toy. Servos will be activated by PCA9685 board. I need someone to develop both an android program and the program required for the csr8670 module. If you don't have the scr8670 module please do not bid.
Skills: Digital Electronics Android Bluetooth Embedded Systems