4x4 matrix keypad pcb jobs

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    26,163 4x4 matrix keypad pcb jobs found, pricing in USD

    i need security system project consist of keypad , lcd , avr and led for power signal i want to create a new pass then go to main menu to make login to the system then write the password if true open the led and give me port c high if false give me wrong on the screen and the port is low

    $142 (Avg Bid)
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    4 bids

    I need a website: Marketplace and inside it a MLM binary and matrix in the same time What kind of information you need to prepare it for you Your prix Time delivery Maintenance costs Thank you

    $500 (Avg Bid)
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    1 bids

    I need a website: Marketplace and inside it a MLM binary and matrix in the same time What kind of information you need to prepare it for you Your prix Time delivery Maintenance costs Thank you

    $500 (Avg Bid)
    $500 Avg Bid
    1 bids

    I need a website: Marketplace and inside it a MLM binary and matrix in the same time What kind of information you need to prepare it for you Your prix Time delivery Maintenance costs Thank you

    $500 (Avg Bid)
    $500 Avg Bid
    1 bids

    Looking for long-term PHP Developer to maintain and provide assistance with our web-app, which is a freelancer board similar to this. > Create documentation > Maintain the platform with various implementations and features > Work on the front-/back end Documentation is available, all though limited. In regards to long-term work, we are definitely open for long-term commitments, and ...

    $7 / hr (Avg Bid)
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    PCB Design 6 days left

    IGBT Based static voltage stabilizer PCB design

    $73 (Avg Bid)
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    5 bids

    The PCB has to be tiny enough to charge to handle multi task about to charge with all safeties and amplifying the out coming the sound.

    $81 (Avg Bid)
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    2 bids
    Design and program me a chip 6 days left
    VERIFIED

    Hi, I need someone to design me a pcb which has one usb, preferably powered by micro usb has a hdmi output, is ran off a python script on a sd card. You also need to program the board so it is ready to be used

    $19 (Avg Bid)
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    I need to precise control slow rotating BLDC motor. It will Work only as position controller. Allowed hardware: - any arduino board - any arduino bldc hat or separate PCB (i have infeon BLDC-SHIELD_IFX007T or TI BOOST-XL-DRV8305) - abi differential encoder - no hall sensor Software: - arduino ide - any libraries - FOC algorithm required (encoder based) - no back emf use - limiter switches based ...

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    *** OVERVIEW *** - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microcontroller. - You do *not* need any experience with... ESP32, microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, or circuit design. *** HOURS *** You must work *one hour* per day, five days (or nights) per we...

    $11 / hr (Avg Bid)
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    10 bids

    I need a schematic and then converted to pcb layout file in easyEDA

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    9 bids

    Help needed with finishing and laying out a fairly simple MOSFET-based RGB LED driver in the form factor of an Adafruit Feather shield. I'm using the Adafruit Feather M4 Express to prototype and this will be a shield that stacks on top. I already have a working circuit I just need to transfer to PCB in Feather shield form factor and basic review. The Eagle schematic is mostly finished and I ...

    $150 (Avg Bid)
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    18 bids
    Hand drawn chalk art 5 days left
    VERIFIED

    I am need of an artist to create a 4x4 chalk illustration. The artwork should be hand drawn and made on separate layers so it's editable in Photoshop and/or Illustrator. If I like the first piece, there are many other concepts I need done, but I am posting them one at a time.

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    pcb design system on module SoM based on SoC Kirin970

    $1132 (Avg Bid)
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    PCB board design 5 days left

    I want a circuit board design (all in one): - to charge 3 x 18650 lithium battery in series using power supply - voltage from these three batteries can be step up or step down (buck boost circuit) 5-35V - another circuit for 2 x NPN or 2 x PNP outputs

    $113 (Avg Bid)
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    So we have Working Server having VICI Dialer installed and we Have Dinstar GSM Gateway and PRI Line With Matrix EPBX. Now we Have Requirement. 1. Call Data Pull and Push in SQL Server/MySQL With Recordings and Required Connection String To connect with website to access this data with recordings. 2. Nested IVR Menu With Call routing to Multiple Numbers [login to view URL] need this option wher...

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    I need a reader for 125KHz cards and fobs. Read very carefully: line by line until the end. If you do not know to work with Eagle PCB, no need to apply If you do not know how to calculate and design a PCB antenna, no need to apply. It MUST read card or Key Fob EM4100 format. Must work on 5 volts DC. Output must be UART or WG Wiegand selectable by jumper. Separate led output when a read is complete...

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    Hi We require a power supply that converts AC 230V to DC 24V. We need an electrical engineer who has practical experience in switching power supply design and also have developed similar power supplies before. Power: 60W + 10% Input Voltage: 100-265V AC Output Voltage: 24V Output Current: 2.5A RIPPLE & NOISE (max.): as low as possible VOLTAGE ADJ. RANGE: 22 ~ 26 V FREQUENCY RANGE: 47 ~ 63Hz...

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    Day Counter - Design a pcb with display and inbuilt battery. One button for Start/Reset The display should show 1 on start and the count should increase by 1 for every 24 hours. It has to stop at [login to view URL] upon pressing Reset should start from 1 again. The battery should last for 2 years Dimensions : Length : 3 - 4cm Width : 1 - 1.5cm Smaller the better

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    Build a SMPS pcb design to drop 90-260v AC to 5v dc with compact design max size should be Product height is of 22 mm Product width is of 24 mm Product length is of 37 mm it will run 24x7

    $19 (Avg Bid)
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    *** OVERVIEW *** - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microcontroller. - You do *not* need any experience with... ESP32, microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, or circuit design. *** HOURS *** You must work *one hour* per day, five days (or nights) per we...

    $15 / hr (Avg Bid)
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    16 bids

    We are looking for a talented and driven hands on Electrical Engineer who will be part of creating an incredible cutting edge technology system. And will focus on the design, construction, and troubleshooting of compact and reliable embedded electrical systems . This includes electrical sub-system design, integration, PCB layout, and frequent hands-on work in lab building and debugging electrical ...

    $35 / hr (Avg Bid)
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    31 bids
    Custom app 3 days left

    Gamification for field sales reps. I have the matrix and plans. Need the developer who want's to partner long term with a disruptor.

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    We are looking for an RF design expert to provide guidance on the choice of antennas for a small wearable GPS tracker device. PCB size: 45mm x 36mm or smaller Frequencies: GSM 900/1800MHz GNSS: GPS, GALILEO, GLONASS BLUETOOTH/BLUETOOTH LE: 2.4 GHz You MUST have practical experience with designing antennas for small PCBs and be capable of *designing* a custom antenna from scratch - n...

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    Hello, We are looking for an engineer / team to complete a project for us. This is a power electronics system, already developed, in its last stage of development before production. This project has a software and hardware. Both have to be worked on together. MCU is an 8 bit Microchip Attiny1616. Hardware: We need to add a new technical feature (vibration detection) and correct some issue...

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    INTORNO LABS [login to view URL] Heterogeneous Computing Developer Skills required: C/C++, OpenCL, Audio DSP, Parallel Processing, GPGPU Company’s context: We are a small company based in Barcelona, Spain. We have been carrying out extensive research and development in the area of spatial audio for over 10 years. The outcome of our work is a new, proprietary technology that allows a sound...

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    This tool has to have a set of commands, which I will provide later, and the enduser should be able to select and add to the run sequence as many as they like of these commands. After the recording of the procedure is complete, they should be able to run it. This is an example of a procedure: 1 - Start 2 - Display a message and wait for a keypress 3 - Display a PDF file and wait for a keypress 4 -...

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    PCB Design 3 days left
    VERIFIED

    Design a pcb , require understanding of electronics

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    48 bids

    I have a thermostat PCB board (see attached pictures) that I can send you and I need to take that design and make a few changes outlined below: Change layout of components to work with my layout requirements (see attached picture) - High accuracy - Measure temperature in Fahrenheit (Celsius optional) - Customized PCB size 80mm x 80mm with 4 mounting holes in corners - size needed to mount...

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    TTS PCB Layout 3 days left

    Need a 1.86 X 1.43 PCB with 2 components, 8 vias and 4 fingers laid out for gerber. PCB is custom shape. Have CAD tech drawing of PCB in PDF with all dimensions. Please quote. Thank you.

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    I'm a real estate agent and would like to custom order coasters to hand out at local restaurant's and bars. I would like a catchy real estate quote on it, and then my brokers info, my personal contact information at the bottom including my headshot. Coaster size is 4x4. I'd like the background color to be "NextHome Orange".

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    *** As of 18 September 2019 this project is still available *** *** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microcontroller. - You do *not* need any experience with... ESP32, microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, or ...

    $11 / hr (Avg Bid)
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    Hello, my name is Doug Edenstrom. I am an Electrician and have been doing residential electrical for the last 24 years. I need a PCB configured for a list of components I have. I have been trying to teach myself with little luck. I would appreciate any help.

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    I need someone who can design an electronic card for me. You will be responsible for following: 1. Components Selection 2. Electronic Circuit Design 3. Testing and QA 4. PCB Design It is very small card that needs controlling of three relays and 2 flow sensors. It also includes wireless communication through Wifi and LCD display. Further details will be shared with selected freelancers. If you ...

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    an existing board has the ability to monitor and provide some reaction based on inputs . We would like the components that handle the current to be upgraded and the schematic of the board to be altered based on the manufacturer specifications of the IC that is used from texas instruments . existing files drawn in eagle cad will be provided and requirement list provided in full upon successful comm...

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    Starting from design of circuit, components selection, PCB design and firmware development this project involve complete skill required for development. I will prefer developer with past experience in such projects. Those who are interested shall send the reference of project done on similar line. Experience in Smartphone design will be added advantage

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    Build a project based on front end which is here: [login to view URL] Backend is: [login to view URL] Remotely (screenshare) help me install and test both on heroku or another free or low cost cloud. We're using android studio 3.5. After install, include 20 hours of work, mostly Kotlin. Will provide details in PM

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    Featured
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    helping plan 2 days left

    Peer to peer matrix system with 3 levels Level 1] 3 people Llevel 2] 6 people Level 3] 9 people

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    PCB Designer 2 days left

    PCB 1: to manage external input; HDMI, twice USB Type A 3.0, SD slot and twice USB type C. PCB 2 : to manage a powerbank, better if there is the chance to implement directly the power bank on the PCB. Each board will be installed in an enclosure, all the PCBs are powered by a single power bank in order to provide serially charge to all the PCB. The power bank will also provide battery to external ...

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    Design of a PCB based on a prototype I have made. Simple design based on the ESP8266 and the off the shelf Open-Smart mp3 serial board thats widely available online, which is the QJ008-16S mp3 chip and 8002A amp chip. I just need these 2 boards combined into one included 1 with everything not needed removed Will need to work with me on IO placement and pcb size as its to fit 3D printed case Im ...

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    PCB design 1 day left
    VERIFIED

    I am looking for someone who can help me in designing PCB and software (Embedded system) Only People from China can quote (Sorry for other Nationality)

    $480 (Avg Bid)
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    15 bids

    an existing board has the ability to monitor and provide some reaction based on inputs . We would like the components that handle the current to be upgraded and the schematic of the board to be altered based on the manufacturer specifications of the IC that is used from texas instruments . existing files drawn in eagle cad will be provided and requirement list provided in full upon successful comm...

    $480 (Avg Bid)
    $480 Avg Bid
    23 bids
    Convert PCB file to altium 1 day left
    VERIFIED

    The files are probably in PADs but need to be converted to Altium project file with corresponding: [login to view URL] and 2. PCB board files and 3. parts library. Will send files when project awarded. Thank you

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    PCB 1: to manage external input; HDMI, twice USB Type A 3.0, SD slot and twice USB type C. PCB 2 : to manage a powerbank, better if there is the chance to implement directly the power bank on the PCB. Each board will be installed in an enclosure, all the PCBs are powered by a single power bank in order to provide serially charge to all the PCB. The power bank will also provide battery to external ...

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    4 bids

    I want to design a PCB board of 25 layers in PADS layout. If you have latest PAds software.

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    Need a pcb with header for the PI with the following functionality: - dc input 12V (dc-dc connector - to header pins) - 5 relays w isolation (10A 230V outputs) - 1 channel dimmer output (230V 300W) - 6 in (dry contacts) - 1 in for external d18b20 - 1 in for motion sensor ([login to view URL] / open alarm) - 1 internal temp sensor d18b20 - 1 internal humidity sensor

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    PCB Design 1 day left

    Small PCB Design for time and date

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    design pcb 1 day left

    Design PCB for Laird BL652 chip with temperature sensor (MLX90615) and rgb led (neopixel) and battery + charging cirquit (micro-usb) (and if possible also program the chip via usb). The sensor and led need to be on a seperate board, connected with small cable (+/- 60mm distance). Goal is to make a wearable for artistic/scientic research. First make 1-5 test PCB’s by your design, if everyth...

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