How to design circuit工作

筛选

我最近的搜索
筛选:
预算
键入
项技能
语言
    工作状态
    9,613 how to design circuit 找到的工作,价格在 HKD

    For my soon to be incorporated startup in electronics product manufacturing especially Chargers for smartphones, Wireless chargers, Electric charging cables, Battery chargers for use in vehicles, Regulated power supply apparatus, GPS navigation devices, Hardware modules for use with IOT, Data storage devices such as Memory cards, Data processing equipments

    $662 (Avg Bid)
    $662 平均报价
    6 竞标

    Need a freelancer to design and build a working PCB. The circuit should work in the following way. A small wearable solar panel charges a flexible Lithium battery of 50-100mah. When the battery is full it dumps its charge wirelessly (through induction coil) to a cellphone with wireless charging capability. And the cycle begins again. As space is limited

    $8405 (Avg Bid)
    $8405 平均报价
    9 竞标

    Verify if my circuit is correct and guide to resolve the errors. Measure the gain of an inverting amplifier at an input frequency through Experiment and print out time-domain input and output waveform

    $199 (Avg Bid)
    $199 平均报价
    3 竞标

    This project requires the use of Matlab to calculate several parameters of a distribution network. Background knowledge on fault current, circuit breakers, current transformers are needed. Please make offer for more details.

    $110 (Avg Bid)
    $110 平均报价
    4 竞标

    I am designing a system to detect a baby cries with a microcontroller, Arduino Mega. I need someone to design a circuit or guide me what kind of sensors is able to detect baby cries. I have bought a SparkFun sound detector but it seems that it doesn't sense the cries.

    $131 (Avg Bid)
    $131 平均报价
    9 竞标

    wireless Power transmitter &Receiver Specs Input - 12v Output - 5v / 3A Tx rx coil distance - 5mm Tx rx coil diameter - 100mm Circuit cost should be minimum

    $1466 (Avg Bid)
    $1466 平均报价
    6 竞标
    Network Technology 5 日 left
    已验证

    Packet switching, message switching, circuit switching Calculating tine taken to transfer data  under different switching schemes Application  layer protocols DNS, http, smtp, ftp Reliable protocols(sliding window schemes) TCP protocol details connection  setup and tear down RTT estimates flow control congestion control

    $274 (Avg Bid)
    $274 平均报价
    8 竞标

    I'm looking for someone to develop the circuit with a Hall Effect sensor (something like that) with Wi-Fi. This design will be used to check if the door of a safe is closed / open. Basically the circuit will be off to save battery, as soon as the state is changed, the circuit will be turned on. I intend to program the device, I have pref...

    $1498 (Avg Bid)
    $1498 平均报价
    18 竞标

    I am searching for an electronic hardware engineer who can work together with my team in The Netherlands and China for the schematic design and PCB layouts in Eagle.

    $54 / hr (Avg Bid)
    $54 / hr 平均报价
    13 竞标

    I would like a circuit which can control all types of camera releases detailed on the website below: [login to view URL] I would need a circuit where if I apply 3.3v then the shutter is released. !!!The tricky part is that my project has to be low cost, and without a relay. This means that using BJT transistor is difficult

    $188 (Avg Bid)
    $188 平均报价
    5 竞标

    Electronic system for commercial purpose

    $1535 (Avg Bid)
    $1535 平均报价
    19 竞标

    Hi Khang N., I noticed your profile and would like to offer you my project. We can discuss any details over [login to view URL] Voltage Electrical Control Circuit Design and Component Selection

    $7841 (Avg Bid)
    $7841 平均报价
    1 竞标

    ...named AQ Boost. See the attachment. The purpose of the company is to offer analytics services. AQ Boost means "Boosting Analytics Quotient". As you can see the logo represents a brain, the left part being a "normal" part and the right part an electronic circuit. I would like to have an animated picture (GIF format) derived from this logo. The animati...

    $267 (Avg Bid)
    担保
    $267
    19 作品

    I need to control 4 solenoid in a certain pattern. Parts need to be used for this project is OP AMP as an Buffer, opto isolator, 4 channel mosfet board, NI DAQ 6341. Attached please find the previous schematics which my team lead has shared with me. he asked to com up with some ideas or design the circuit because it has some flaws in it. The op amp

    $1356 (Avg Bid)
    $1356 平均报价
    22 竞标
    Internet Technology 4 日 left
    已验证

    Packet switching, message switching, circuit switching Calculating tine taken to transfer data  under different switching schemes Application  layer protocols DNS, http, smtp, ftp Reliable protocols(sliding window schemes) TCP protocol details connection  setup and tear down RTT estimates flow control congestion control

    $306 (Avg Bid)
    $306 平均报价
    5 竞标

    I am an experienced electronic engineer and company man...companies as well. I am partially retired and have been designing electronic products for model railroaders. I need to reduce manufacturing costs by having printed circuit boards assembled (surface mount components) overseas. First step is to find the sources (Taiwan? China?) and get quotes.

    $149 / hr (Avg Bid)
    保密协议
    $149 / hr 平均报价
    10 竞标

    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

    $1921 (Avg Bid)
    $1921 平均报价
    8 竞标
    Need Eagle Expert 4 日 left
    已验证

    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.

    $392 (Avg Bid)
    $392 平均报价
    17 竞标

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

    $837 (Avg Bid)
    $837 平均报价
    30 竞标

    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.

    $1294 (Avg Bid)
    $1294 平均报价
    31 竞标

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

    $180 (Avg Bid)
    $180 平均报价
    5 竞标

    I need to help me design electronic circuit and take values

    $133 (Avg Bid)
    $133 平均报价
    5 竞标
    circuit design 3 日 left

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

    $172 (Avg Bid)
    $172 平均报价
    2 竞标

    ...swing open vent that I need to be able to set an internal temperature for it to open and close. A light-duty linear actuator is perfect to do so, but in order to control the opening and closing, control of the circuit polarity determines the directionality of the actuator. This is beyond my skill set, and I need a design to build such a sy...

    $3348 (Avg Bid)
    $3348 平均报价
    4 竞标

    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

    $2784 (Avg Bid)
    $2784 平均报价
    5 竞标
    Circuit design 3 日 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

    $86 (Avg Bid)
    $86 平均报价
    1 竞标

    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

    $5334 (Avg Bid)
    $5334 平均报价
    17 竞标
    ADS design software expert 3 日 left
    已验证

    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

    $33 / hr (Avg Bid)
    $33 / hr 平均报价
    4 竞标

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

    $196 (Avg Bid)
    $196 平均报价
    11 竞标

    ...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 indicat...

    $510 (Avg Bid)
    $510 平均报价
    1 竞标

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

    $3897 (Avg Bid)
    $3897 平均报价
    32 竞标

    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.

    $235 (Avg Bid)
    $235 平均报价
    3 竞标
    Game Wipe out 2 日 left

    We are a game company that is 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

    $6477 (Avg Bid)
    $6477 平均报价
    32 竞标

    I want to have 3 different load cells to measure 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.

    $941 (Avg Bid)
    $941 平均报价
    18 竞标

    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.

    $1202 (Avg Bid)
    $1202 平均报价
    6 竞标

    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

    $5074 (Avg Bid)
    $5074 平均报价
    45 竞标

    Hi To publish a review article in an sci index journal, i have taken some circuits as reference which i want to draw using Microsoft Visio software as per the requirement of that referred journal. I am attaching one sample as reference. A total of 18 such circuits are need to be drawn using Visio with following specification- 1). Line width 1.5 2)

    $847 (Avg Bid)
    $847 平均报价
    7 竞标

    The project involves reverse engineering , mathe...engineering , mathematical calculations , equations derivations and then mcu based 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

    $22284 (Avg Bid)
    $22284 平均报价
    17 竞标

    [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

    $996 (Avg Bid)
    $996 平均报价
    1 竞标

    ...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 and reverse the polarity of the motor

    $1004 (Avg Bid)
    $1004 平均报价
    7 竞标
    circuit design 18 小时 left

    I am building a rechargeable battery pack. This battery pack will be charged by a new nuclear battery i designed. It should produce ...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

    $1325 (Avg Bid)
    $1325 平均报价
    19 竞标

    [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

    $1447 (Avg Bid)
    $1447 平均报价
    6 竞标
    DesignEngineer 9 小时 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 .. [login to view URL] Need Auto CAD 3D Drawing, assemble and drafting. 4. Your Role Is Design with Chiller Circuit .

    $816 (Avg Bid)
    $816 平均报价
    22 竞标

    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

    $588 (Avg Bid)
    $588 平均报价
    3 竞标

    [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.

    $1478 (Avg Bid)
    $1478 平均报价
    5 竞标

    ...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, which will need to be signe...

    $11957 (Avg Bid)
    $11957 平均报价
    9 竞标

    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, butto...

    $19908 (Avg Bid)
    $19908 平均报价
    27 竞标
    Trophy icon Design a Logo Sign Circuit 22 日 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

    $1176 (Avg Bid)
    担保 加封
    $1176
    520 作品

    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

    $1458 (Avg Bid)
    $1458 平均报价
    9 竞标

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

    $784 (Avg Bid)
    $784 平均报价
    1 竞标