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    11,448 design zigbee circuit работ(-а,-ы) найдено, цены указаны в USD

    Требуется написать программу управления лампами накаливания. Необходимо управление 3-5 лампами накаливания. При нажатии кнопки должна включаться соответствующая лампа. Через случайные промежутки времени от 0 до 1 минуты, лампа должна мигать случайное количество раз, со случайной интенсивностью и скоростью, после чего яркость лампы должна установиться на случайном уровне. При повторном нажатии той...

    $25 (Avg Bid)
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    Разработать приложение по управлению смарт-устройствами: Philips Hue/Belkin WeMo lightbulbs, Belkin WeMo розетки/включатели света, термостат Nest, датчик газа/дыма Nest Protect, First Alert датчики дыма, утечки воды. 1. С учетом имеющихся устройств, открытого производителями API, документации, получить все необходимые переменные состояний/управления данными устройствами. 2. Разработать оптимал...

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    3 phase contactor protect short circiut -- 2 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I want somebody design a control circuit to to control a 3-phase contactor to trip when short circuit happens as protection. the following must be submitted: 1- the code file (arduino IDE) 2-the PCB file 3- the bill of material and their numbers

    $145 (Avg Bid)
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    I want to connect the readout integrated circuit (roic) to single board computer (raspberry pi or arduino). The project is very simply. I need to read the data coming from roic. There is restriction on which roic we have to use.

    $102 (Avg Bid)
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    Hub / Gateway to connect to my Cloud Software 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Requirements for HUB V1 Presently We are using the raspberry pi 3b [войдите, чтобы посмотреть URL] are looking to design a gateway/hub with the raspberry and designing it to incorporate several components. The software is already developed for communicating with some devices and my cloud. What i need is to have somebody prepare drawings and logic for the raspberry to integrated with the listed c...

    $555 (Avg Bid)
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    Need 2 Telecommunication project reports 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I need two telecommunication projects. Details are provided: 1. Project1: Discovery and Verification of Neighbor Positions in Mobile Ad Hoc Networks MOBILE COMPUTING, FEBRUARY 2013 Technology Implementation: JAVA A growing number of ad hoc networking protocols and location-aware services require that mobile nodes learn the position of their neighbors. However, such a process can be easily abused o...

    $97 (Avg Bid)
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    Electronic Design Project 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I'm looking for electronics engineers who could create an electronic circuit, a custom PCB, and a BOM for a device that would connect two cameras with some other device (I'll tell after we sign an NDA) via Bluetooth. The image received from the cameras will need to be overlayed with the info received from the third Bluetooth device. The central device will need to store the video footage...

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    To build a small ON/OFF circuit using tactile switch to turn ON/OFF 5V controller circuit and 2 more switches for other functions. It will be fed from a 5V power bank.

    $174 (Avg Bid)
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    3 ставки
    $145 Ср. ставка
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    I need some changes to an existing website. I need you to design my blog. go to this link and suggest me the changes we will discuss the rates accordingly. [войдите, чтобы посмотреть URL]

    $427 (Avg Bid)
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    I need you to write some content for a website. please go to this link and check my website. [войдите, чтобы посмотреть URL] this type of work you have to do it for me. we will discuss the rates . my budget is upto 25$ per blog in one day.

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    Project for Marc N. 8 дней(-я) left

    Hi Marc N., I noticed your profile and would like to offer you my project. We can discuss any details over chat. https://www.freelancer.com/projects/engineering/Circuit-Design-Channel-Class-Amplifier/details

    $20 / hr (Avg Bid)
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    This circuit amplifies three input channels consisting of low-current voltage signals that have a low bandwidth (less than 200 Hz). Each channel is pre-amplified according to a fourth circuit input which operates as a voltage control to the pre-amplificiation. Each pre-amplified channel is then fed to a class D amplifier to create a large current version of the input at three respective circuit ...

    $19 / hr (Avg Bid)
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    electronic circuit assembly 3 дней(-я) left

    very basic electronic circuit assembly suit someone working from home. sheffield / derbyshire area

    $561 (Avg Bid)
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    Hi we are designing a Qualcomm BLE micro controller based circuit with sensors for various applications. We are already near completion of the circuit but would like some fresh hands that can help us review and finish the schematic as well as the layout. If you’re passionate about PCB design, please reach our to us.

    $19 (Avg Bid)
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    I am looking for Haddware and firmware development for building an AC Energymetering circuit using M90E26 ( Single phase enegry Metering IC). I would be looking for Hardware circuit design + PCB layout + Required Firmware. ( complete solution and working hardware 1 unit)

    $110 (Avg Bid)
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    Build me a PCB 2 дней(-я) left

    I want electronics person to do simulation of 3 circuit which may include some changes or redesign of circuit and then it should be check on PCB. Then PCB should be parcel to my home address. The 3 circuit are: 1. USB output port (5V 1A, 2A, 3A) and Type C output port. 2. DC output port. 3. Inverter 60W I will parcel the battery which should be tested.

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    Given a list of components of a circuit and their location(x,y). The task is to assign a serial number to all the components, depending on their type, within their location.

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    See attached PDF for details. Deliverables include completed Logisim file with: Completed controller circuit with truth table and Boolean Logic (excel is ok) Completed datapath circuit

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    Water Level indicator 2 дней(-я) left

    The goal is to monitor water tank levels(Full,75,50,25, Empty) and control the water pump as per levels. There will be two units : > One is at the rooftop tank which consists of a level sensor and an rf transceiver. > Another one is at the ground level where the water pump is connected to the electricity which consists of an rf transceiver and relay circuit and Level indicators and buzzer. ...

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    Need to develop an updated control board for an existing DC-DC converter platform. - Drive Mosfets with Synchronous Rectification support. - Constant Current and Constant Voltage Modes with the ability to set output current and voltage. - Basic Fan Drive Circuit for cooling. - Isolated Modbus and Canbus integration (already built into the device on another patch board). Fan drive, isolated comm...

    $1466 (Avg Bid)
    Соглашение о неразглашении
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    We want to build a generic code which works for 1 Channel, 2 channel, and 4 channel Dimmer (using TRIAC(BT139)) and it should also be able to give power reading for HLW8012(Power metering chip) It gives output in the form of frequency that is directly proportional to the power. We can also give an independent project for working only on HLW8012/Dimmer separately but the code should be compatible w...

    $224 (Avg Bid)
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    Power system study 1 день left

    Prepare power system study including short circuit and arc flash study using Easypower or SKM software.

    $2138 (Avg Bid)
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    We're a team of 4 engineers from the University of Rochester and we're designing a new kind of musical instrument based upon a flexible piezo-resistive touchscreen. Functionality has been demonstrated via breadboard. We are now ready to optimize the electrode design and transfer the circuit to a PCB. But none of us have Eagle or CAD experience, so we are in need of assistance.

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    The Circuit is done. Now I need someone who can programm a NRF52832 with my requierments. 1. An input signal on a pin has to set the device in pairing mode. If it is allready paired, it has to disconnect. 2. The device has to connect as special HID Device. I can give you the exact Profile. 3. The device has 3 analoginputs. If one of this inputs reaches a defined value, a timer must be reseted. If ...

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    Project for Linguang L. 3 дней(-я) left

    Hi dreamcha, I have zigbee2mqtt usb stick in PI ([войдите, чтобы посмотреть URL]) in Homeassistant installation, it works for Zigbee devices. I have cc2530 dev board that i want to use: a) One module - I want to add custom switch ([войдите, чтобы посмотреть URL]) it should remember last state of switch after power cycle. b) Second module - Humidity/temperature sensors with sleep and battery/sig...

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    Looking for a freelance electrical engineer in Southern California (Orange County) to design, build and troubleshoot custom electronics and put together instrumentation for test and measurement for various projects. Would require visits to our site to discuss details with our engineers. Mixed signal applications and some embedded computing skills required. Experience with high frequency circuits a...

    $37 / hr (Avg Bid)
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    controlling speed of motor Завершено left

    I have a DC car generator as shown in the file attached. I made modification and removed the rectifier circuit. I made the stator winding as delta connection. I want to design the circuit that control the speed very slowly (smooth movement) to use the motor as an egg turner. it move to the right to limit switch and then back to other limit switch. I want to use esp32 controller to add other sensor...

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    Hi, This is a PCB manufacturer from China, we provide one-stop service, including PCB fabrication, assemblying and so on. I'm looking for an agent in your local market, you can design, you can also earn the price difference or the brokerage, it's up to you. If you have interests to be our cooperative partner, pls contact me.

    $531 (Avg Bid)
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    P C B designer Завершено left

    my design requirement, Capacitive touch MCU based smart switch controller 4 layer PCB design. I will give the circuit schematics and enclosure design. we need EMI/EMC compatible PCB design.

    $115 (Avg Bid)
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    Project for Ali J. 19 часов(-а) left

    i need circuit for ecigratte that heats an element based on electret mic signal. it should include acircuit for charging lipo battery back. when connected to outlet there should be a function that connects the power from outlet to heating element. i need the proteus files in 3 days

    $30 (Avg Bid)
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    1 ставки

    built 10 or more small plastic enclosure box with off the shelf circuits wifi, battery charge controller, push on switches and battery. some soldering requiere. we will provide all the materials sent from aliexpress. We are open to suggestions for final parts. we will pay shipping to our location for the finished boxes

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    Application Mobile Завершено left

    Application Mobile pour Marathon : - Présentation est information du marathon. - Parcours et circuit du marathon en photo est vidéo . - Inscription en choix de package et payement. - Résultats - Galerie photo et vidéo . - Boutique pour les article du marathon (t-shirt;Trochpet;souveunir du merzouga ;....) - inviter amis et partage. - Localisation du Point de Retrait d...

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    Project for Karthikeyan M. Завершено left

    Hello Mr. Karthikeyan, We are a small software developer firm in Turkey, Gaziantep and we need a hardware design of GPS unit in which quectel mc60 and atmel (arduino ide compatible) or stm32 series microcontrollers (arduino compatible uc's more preferred) will be used. We are 3 software developers and have little knowledge about PCB design, only designed small projects for our IOT projects. T...

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    I have 12s21P battery rig I need to design a BMS that do the following The requirements for control are split into two main sections: 1. Requirements for the charging state: a) Control the charging process b) Avoid overcharging any cell c) Balance the cells during the charge state d) Check the battery temperature 2. Requirements for the discharging state: a) Limit the max output current of the b...

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    Need to add simple GPIO/I2C based peripherals(led, sensor, button, power source) around Atmgea328P. This will be single PCB holding all the component, no ready module to add. And one sample to be soldered and tested. You can find all libraries online, need to place the circuits design as it is and then build PCB. Place sperate pricing for these jobs in comment: 1. Circuit design (very easy) + PCB...

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    Logo for new business Завершено left

    I am looking for a logo for my new business which will be a women's only gym club called 'The Circle' There will be 3 area's to the club, incorporating a gym with a circuit, as well as a seperate studio for powerhoop which is weighted hula hoop classes & another seperate studio for bungee fitness My colour scheme will possibly be navy, grey & gold. I would like a circ...

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    Circuit design for sensor Завершено left

    Need an electronics engineer to design and simulate a circuit on-site at our office in Pune. The circuit involves approx. 10 op-amps (general inverting and non-inverting amplifiers), their calculations and related aspects. It would take approx. 4-5 hours for the same and can be started post-lunch tomorrow (Sat, 15 June).

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    Trophy icon Logo de l'entreprise et de son site internet. 3 дней(-я) left

    Version française : Nous souhaitons un logo qui représente un circuit informatique en forme de ville, avec des circuits qui ressemblent à des bâtiments et qui soient tous placés autour du nom de l'entreprise. Certains des bâtiments peuvent ressembler à des ordinateurs Mac stylisés, des souris d'ordinateur ou des claviers. Nous pr&eac...

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    Гарантированный

    Hi, 1. I want a professional engineer to design a 9V battery charging circuit with all the protection circuits (overcurrent, overvoltage, etc). 2. Kindly check the attached file(fig-1), (fig-2). I have different excitation methods for piezo resistive sensor. Which one is stable and long term stability. If you have any other ideas, kindly share it. 3. I would to measure the current for 0 to 50 mA....

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    DSP - Digital Signal Processing Guru Wanted I am looking for an Embedded programmer who can develop a DSP based PID Controller for a servo-motor. The PID Controller will be the heart of this project, it will some analog circuit but minor and will be provided. Data to the controller will be digital 16 bit SPI, motor feedback is 16 bits analog-level. Must know DSP and be able to write the code in C...

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    I need to interface a pH probe with an ESP32. It needs to be able to read pH values and have a calibration function. The circuit should have a BNC connector for connecting with the pH probe.

    $515 (Avg Bid)
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    20 ставки

    Experience Level: Expert Hi, This is a PCB manufacturer from China, we provide one-stop service, including PCB fabrication, assemblying and so on. I'm looking for an agent in your local market, you can design, you can also earn the price difference or the brokerage, it's up to you. If you have interests to be our cooperative partner, pls contact me.

    $139 (Avg Bid)
    $139 Ср. ставка
    16 ставки
    Project for Viktoriia K. Завершено left

    Viktorria, I'd like a schematic, PCB and BOM for the "Typical 3V3 Circuit" contained in the datasheet for the MAX15062 (TDFN) so that I can get a prototype PCBA assembly. I would like to see this in a design tool with a 3D modelling option. (eg KiCad - which has a regulators library extension that includes the MAX15062). The board will be used to supply another board that uses a 2...

    $100 (Avg Bid)
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    Android Amazon Alexa project. 1 день left
    ПОДТВЕРЖДЕН

    Zigbee sensor is connected to Amazon Hub. I am going to capture timestamp and sensor name from Amazon hub. if you have experience in zigbee sensor and alexa hub, please bid. thanks .

    $750 - $1500
    Скрытый Соглашение о неразглашении
    $750 - $1500
    4 ставки
    Trophy icon Sketch of 3d grid landscape with field of data 4 дней(-я) left

    We are looking for a sketch or drawing we can use to create an illustration for the header and background of our web page. At this stage, we are just looking for the overall design of the drawing, and in the next project we will hire an illustrator to do the final creation with colors. The final illustration will be pixel/voxel art style. The look we want: - The drawing background and foundat...

    $62 (Avg Bid)
    Избранный Гарантированный
    LT Spice and electronics expert Завершено left

    Looking so someone who will deliver circuit designs as well as lt spice simulations. Quick turn around- 6 hours for the first task.

    $116 (Avg Bid)
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    Hi there freelancers engineers and electronics experts. I need a simple task to help me build this circuit optimized w/ best components choose at lowest cost and standard components & power PCB design. The idea is to get energy out from 3 three phase motor. So I will need a rectifier, but since voltage produced by motor coils is low I need to implement voltage doubler multiplier rectificatio...

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