Audio digital analog circuit schematic jobs

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    16,359 audio digital analog circuit schematic jobs found, pricing in USD

    ...barcode is correct, signal is sent to Analog output for Next XX seconds -> if barcode is not correct -> there is information that barcodes do not match (information on display) and no signal for Analog output Button to reset is required (in case when user notice that he scanned 1st box wrong). We need 12V on analog output, so relay is needed. Barcode

    $485 (Avg Bid)
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    15 bids

    The circuit is inside of an electrical plug supplying power to a battery charger. I need someone with the right equipment to record the communications between this circuit and the charger. I will provide you with the battery charger and the plug, with the cable spliced to enable tapping into the signal wires. The communications occur upon plugging in

    $226 (Avg Bid)
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    4 bids
    Need Eagle Expert 6 days left
    VERIFIED

    I have a image file of circuit. i want to make the Eagle sch and BOM. I attached the image file. your task is to draw sch on eagle and make BOM I recommend the digikey and mosuer for BOM. I hope your good response. Thank you.

    $42 (Avg Bid)
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    6 bids
    Small PCB design 6 days left

    I need a small circuit board designed to charge a pair of 18650 cells and proform switching. Please contact for more details.

    $95 (Avg Bid)
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    25 bids

    I need a circuit board designed, built and tested. This design will be placed in a small container with a power source, an indicating LED, on/off switch. The circuit will make an audible sound (Sound could be selectable) when the circuit is closed.

    $148 (Avg Bid)
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    24 bids

    Abt. 30 $ project. Some test i have, but unsure about how to handle it. Can you help me.

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    5 bids

    I need to help me design electronic circuit and take values

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    circuit design 6 days left

    Designed Arduino mega board with 40*40 mm size in eagle.

    $22 (Avg Bid)
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    2 bids

    ...the circuit polarity determines the directionality of the actuator. This is beyond my skill set, and I need a design to build such a system, ideally using an open-source control board and hat. I am using a 110v (standard US plug) heating and cooling thermostat, with a plug for heating and a plug for cooling devices. I would prefer this circuit to utilize

    $427 (Avg Bid)
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    4 bids

    We are developing a machi...from the HMI company for RS485 communication . What we need is an android firmware to control the machine. Our machine has 7 Stepper (RS485) + 3 Servo (RS485) + 1 Analog + 3 Digital sensors Expecting Completion Time: 1 Week Attached: RS485 demo] Android Firmware will have 5 main sections (Details will be given later).

    $229 (Avg Bid)
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    6 bids

    Looking to add another /22 IP bank onto a Cisco 4948 switch from the same circuit from an existing Ciena (P2P from ISP). The Cisco 4948 switch is currently serving a /29 bank of IP's (PRODUCTION - LIVE) with 6 Vlans. What I am looking to do is add the /22 bank separated into +/- 16 subnets /28 (vlans). Then would like to add another Cisco 4948 switch

    $355 (Avg Bid)
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    5 bids

    -Build the wearable native application for TIZEN (samsung gear series) and Android wearable. -Delivering working/source files that able to d...working/source files that able to direct upload to the wearable store. -Watch face design provided in psd, please refers to attachment. -final deliverable: 1) digital style watch face 2) analog style watch face

    $707 (Avg Bid)
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    7 bids
    Circuit design 5 days left

    Hi.. I need to design a 9vdc to 110vac inverter .. using simple circuits .. I don't want to use 555 timer .. I have 3.3v pwm output signal from Esp8266 module ..using that signal I want to design the inverter

    $11 (Avg Bid)
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    Raspberry Pi Hat PCB Design 5 days left
    VERIFIED

    Desi...LSM9DS1 ==> Gyro , Compass , Accelerometer MCP3808 ==> Analog Digital converter MCP2515 ==> CAN bus controller MCP2562 ==> CAN Driver 16 Mhz Oscillator for the CAN bus 120 Ohm Termination Resistor for the CAN Bus termination selectable via Jumper 10 PCB Screw terminals for the 8 Analog Channels of the MCP3808 and 2 for CAN High CAN Low

    $195 (Avg Bid)
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    22 bids

    We need someone to design, layout pcb, circuit design and create schematics for a Li-Po balancer-charger based on an IC like Linear LTC4015. The batteries that needs to be charged (and balanced) are Thunderpower TP7000-6SHV (max voltage 6x4.35V=26.1V) Max current output should be 14A, min 10A Input power source will be selected based on balancer needs

    $645 (Avg Bid)
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    13 bids
    ADS design software expert 5 days left
    VERIFIED

    I want long term employee. if you are expert in ADS design software, please bud here. you have to implement simple circuit in ADS. if you are expert, you will do it in 1 hour

    $4 / hr (Avg Bid)
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    3 bids

    Hi I want to make a circuit to drive a 50amps Dc motor from arduino. Thanks you

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    11 bids

    ...input, encode and decode circuit (function selector)​​15% to select the appropriate output from either the arithmetic or logic unit ​​​ Additional tasks – not to be attempted unless parts i) to vii) have been completed vii) Scale the entire circuit up from 4-bits to 8-bits.​​​​​​15% viii) Create outputs for the circuit to indicate Carry / Overflow

    $65 (Avg Bid)
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    1 bids
    Android Developer for UI 5 days left
    VERIFIED

    We are looking for a Android developer to build the UI of our machine. The HMI has WiFi, RS485 and digital analog. HMI will communicate to the motors through RS485. We are expecting to finish this project in one week.

    $280 (Avg Bid)
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    5 bids

    Create schematics and PCB design around a specific processor. Details to be provided.

    $1163 (Avg Bid)
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    15 bids

    Need someone to design, layout pcb, circuit design and create schematics for an IOT project. Must be familiar with BGA (ball grid array)

    $493 (Avg Bid)
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    29 bids

    you have to design a wireless power transfer simulation circuit using ADS, I will provide a research paper where the circuit design is given and your job will be simulating the given circuit and reproducing the same graph as the research paper graph.

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    Game Wipe out 4 days left

    We are a game company that is willing to outsource our games. Game to make now : wipe o...willing to outsource our games. Game to make now : wipe out game Wipe out is a Obsticle run with many Obsticles. Turningplates. Balls towel etc User 1 is running over the circuit User 2 use Obsticles to kick the user out It will be made in unity3d engine

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    I want to have 3 different load cells to measure weight for 3...weight for 3 different things, but instead of having one LCD for each type I want it to display Type A: 1 kg Type B: 2 Kg Type C: 1.4 kg on bigger LCD. I want to know the circuit connection as well and the data from the Load Cell to be saved to a database. or at least to a computer first.

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    18 bids

    We need Load flow analysis, Voltage drop and short circuit calculation for our temporary site power. 22kV transformer and Swb- 4 nos. 4 MSB and 100 sub db. We need by two weeks with proper report for official submission.

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    Hello, we have a requirement to design and layout a PCB single sided SMT which is powered and monitors a 12V battery. 2. Monitor the output voltage of the battery pack. ( voltages as specified in the battery data sheet) 3. Illuminate led when battery output voltage is at x.x volts (to be specified) 4. Except an input from a latching switch 5. Soft start and shut down LEDs 6. Turn LEDs off after a...

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    Hi ...following specification- 1). Line width 1.5 2). DPI 800 3). Pixels 800x800 4). size - 4x3 inch 5). Font size 10pt times new roman I expect a total of Rs. 1800/- @ Rs.100/- per circuit with a total time duration of 2 days. Please quote with your correct price only if you are really interested to finish this work in two days with full accuracy.

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    7 bids

    The project involves reverse engineering , mathematical calculations , equations derivations and then mcu based design with low pow...design with low power lcd display , keypad , usb port , bluetooth connectivity etc . The outcome of the project has to be similar readings to the analog device , board design , schematic , working circuit , coding , etc

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    We would like to find a party that is very familiar with KiCad PCB physical layout and component libraries. PART 1 ------------- We have a four (4) of electronic schematic developed in KiCad and want them to be be laid out into a physical prototype PCB for testing. Board 1 - has 95 components (of which 7 are multiple pin devices) and the balance supporting

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    23 bids
    walkie talkie design 3 days left
    VERIFIED

    I want to design a wirele...communication system. It has to include data compression and to work on ISM frequencies - prefer 915MHz or 433MHz. Thus the communication should be digital, the audio Sample rate is 16Kbps optionally is to add analog transmission too proof on a concept is needed deliverables: 1) schematics 2) layout 3) prototype assembly

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    6 bids

    [login to view URL] I want to make something like this I want basically to test this circuit and code and a small pcb design with SMD parts. I prefer with atmega8 or atmega328

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    I need a curcuit board designed and a list of components needed so that I can build the circuit myself. I have very little electronic component knowledge and no curcuit building knowledge. This information must be presented to me in an understandable way. The curcuit needing to be built is relatively simple. I need a curcuit that can connect to a motor

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    7 bids

    This job is to do some subtle animation on a static image. Please take the attached image called "[login to view URL]", which is a Star Trek starship master systems display (schematic), and add some subtle animation to make it more interesting to look at. I'm looking for you to create a 60-second video is that seamlessly loops. I'm looking to spend about $100

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    6 bids
    circuit design 3 days left

    I am building a rechargeable battery pack. This battery pack will be charged by a new nuclear battery i designed. It should produce a constant 2 watts. It will have an iPhone charger. I need some one to help me get the parts and have a diagram on how to put it together

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    19 bids

    [login to view URL] I want to make something like this I want basically to test this circuit and code and a small pcb design with SMD parts. I prefer atmega8 or atmega328

    $192 (Avg Bid)
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    5 bids
    Android Developer -- 2 2 days left
    VERIFIED

    ...part time in our office for this project. We are based in Andheri, Mumbai. You will get support from another freelancer related to the connections for sensors and other digital and analog communications. We will need the HMI interface for the users to control the machine through 7 Inch touch screen + Android App to control the machine through mobile +

    $460 (Avg Bid)
    Local
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    DesignEngineer 2 days left

    We Need Design Engineer For Thermal Design purpose. [login to view URL] Analytical with Auto CAD Designing.. 2. Mechanical Design Engineer Was Suitable for This Project .. 3...Designing.. 2. Mechanical Design Engineer Was Suitable for This Project .. [login to view URL] Need Auto CAD 3D Drawing, assemble and drafting. 4. Your Role Is Design with Chiller Circuit .

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    I want to make something like this [login to view URL] I want basically to test this circuit and code and a small pcb design with SMD parts. I prefer to use atmega 8 or atmega328

    $75 (Avg Bid)
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    3 bids

    [login to view URL] I want to make something like this I want basically to test this circuit and code and a small pcb design with SMD parts.

    $191 (Avg Bid)
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    4 bids

    ...experience. A need has been identified, which we have a concept to address. Design a circuit for a small box to enable a small or medium sized business to quickly self-debug some connection issues. We have a PCB designer & a mechanical engineer, we just need a circuit design & prototype. If you are interested, email a response, and an NDA will be sent

    $1525 (Avg Bid)
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    Looking for someone to build a BLE circuit, firmware to send commands to a mobile phone via GATT profile. Must have experience in circuit development and enclosure design Circuit, Firmware, enclosure, and adjustable mount 5 button inputs, must be able to hold a coin cell battery, micro LED to distinguish between ON/low battery, button being pressed

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    Trophy icon Design a Logo Sign Circuit 25 days left

    ...someone to design me a very modern logo for my new website. If its the right one I have no problem paying really well for it. The logo will be for [login to view URL] Sign Circuit is a website where customers can log onto the site and post the problem with their illuminated sign, and service providers can bid on the repair or install. So it has to do

    $150 (Avg Bid)
    Guaranteed Sealed
    $150
    498 entries

    The freelancer has to design an Analog Universal Input for an A/D converter, of minimum 16-bits resolution. This analog circuit must have the following features: - Programmable input: Pt100 RTD and thermocouples type J, K, T, E, N, R, S, B. - Two-wire loop powered 4-20 mA output - Voltage input of 0-10, 0-5VDC - Linearized output and cold junction compensation

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    first milestone for circuit design, Gerber files, PCB layout, simulator testing and documents. other support. first milestone is part of overall.

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    Java android Developer 1 day left
    VERIFIED

    ...work in our office for this project. We are based in Andheri, Mumbai. You will get support from another freelancer related to the connections for sensors and other digital and analog communications. We will need the HMI interface for the users to control the machine through 7 Inch touch screen + Android App to control the machine through mobile

    $321 (Avg Bid)
    Local
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    1 bids
    Android Developer 1 day left
    VERIFIED

    We are looking for a Android developer to build a custom Firmware for the HMI of our machine. You will get support from another freelancer relat...Android developer to build a custom Firmware for the HMI of our machine. You will get support from another freelancer related to the connections of sensors and other digital and analog communications.

    $216 (Avg Bid)
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    11 bids
    Android firmware developer 1 day left
    VERIFIED

    We are looking for a Android developer to build a custom Firmware for the HMI of our machine. You will get support from another freelancer fr...developer to build a custom Firmware for the HMI of our machine. You will get support from another freelancer from Russia related to the connections for sensors and other digital and analog communications.

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    I need a Saved Replies module for FreeScout ([login to view URL]) - just recently released analog of Help Scout. See how Saved Replies implemented in Help Scout: [login to view URL] Here is the guide on developing FreeScout modules: [login to view URL]

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    Dear All, I need tutor for POWER ELECTRONICS AND ANALOG INTEGRATED CIRCUITS DESIGN payment hourly basis should be well versed in the specified subjects

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    We're looking for an experienced RF circuit designer, one that really knows RF (Radio Frequency) circuits: chips, transistors, tight PCB planes and part placement. Prefer Denver, Colorado area.

    $24 / hr (Avg Bid)
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