Circuit board 555 oscilator jobs

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    20,825 circuit board 555 oscilator jobs found, pricing in USD

    Hi. I am looking for someone to design a circuit on Eagle. I will share the details after you contact me.

    $102 (Avg Bid)
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    14 bids

    Induction cooktop with Arduino 1) quasi resonant inverter 2) Need to run continuously, need proper cooling for board and coil 3) For heating mild steel, stainless steel and alloys 4) Need Arduino program to control with Arduino , with watts and time frame (option to increase and decrease watts along with time ), need wiring schematic diagram for arduino

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    I need a logo designed.

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    look at the project and tell me things that you don't understand, the project is about designing a filter for solar plant system, you need to show me the connection of the circuit using matlab and I calculation of the design. you may assume all needed values. btw gotta show me THD value is lower than 5%

    $41 (Avg Bid)
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    5 bids

    Looking for someone who can design a circuit that has a digital input that will be modulated into an ultrasonic form (Feq. 30k to 400K) then transmission. Plus a receiver that will demodulate the signal and provide the digital output. the application of this circuit will be under sea water at a depth almost 40m and with a temperature average 15C. Transmission

    $676 (Avg Bid)
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    11 bids

    ...PCB designer who have proven experience in RF circuit design and PCB layout design. The circuit requirement are listed as follow, please contact us for detail. - Circuit operation frequency: 2.4GHz - Number of PCB layout: 2 layers - Need to design dice bonding pad. - Matching network is required. - Circuit should pass FCC requirements. - Altium designer

    $202 (Avg Bid)
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    17 bids

    arduino code for and circuit for bluetooth module

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    26 bids

    Simple flexi board with exposed fingers at each end

    $138 (Avg Bid)
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    Theme : Surreal Illustrate this in a storyboard of 6 to 9 images onto a A4 Sizing. Skill set needed: Detailing in blank and white. Details will be send to potential freelancers. *Note: Deadline to meet 12th FEB*

    $40 (Avg Bid)
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    Validate the design and pcb layout for a feather compatible baseboard. Require knowledge of Wiznet based ethernet design, power supplies, io protection and feather architecture

    $203 (Avg Bid)
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    Good Day ,I need a PCB board to be modified with a flasher circuit instead of the timer .It's a simple PCB with off and on controls modes ,motion sensor with timer, that operates 30 LEDs .

    $197 (Avg Bid)
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    32 bids

    1. I need 1 full color / White board animation 2. I need 1 (black & white) / White board animation 3. This animation will be words and (1) picture that I will provide 4. I need this work complete ASAP / TODAY

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    i am trying to design a controlled environmental chamber input would be signal from analouge humidity and temperature sensor output would be relay contacts for AC operated instruments 5 types system will be controlled through suitable micro controller which can be programmed to suit application after testing also require data logging facility required data logging facility from input and outout pa...

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    The project cons...settings: high , medium, low and they should operate according to the of dust detected from the dust sensors. A PID controller is needed for the system. If possible an electric circuit. Finally, a solid edge design is needed with assembly parts, in assembly view and a FEMAP stress analysis of the main parts of the cleaning system.

    $854 (Avg Bid)
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    Hi, I have a in job WordPress theme on which I need few custom options if You are good to make changes kindly please reply to this job. [login to view URL] Regards, Haris

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    3 bids

    I need a concept circuit diagram produced based around the OpenEVSE charging system. It has 3 core components, of which OpenEVSE is one. An outline of the system will be provided for you to produce as a clear professional diagram. The circuit diagram will ideally be produced in AutoCAD Eagle but other formats may be acceptable.

    $191 (Avg Bid)
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    18 bids

    We have a RPi and have made a custom shield with RS485. We need help to test the RS485 and MODBUS coms with specific functions. LED colour changing and f...with specific functions. LED colour changing and feedback to show what colour being displayed. Final element is to upload the new code to a test RPi and Atmega328 custom board and test/debug.

    $246 (Avg Bid)
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    7 bids

    I Have a project that i require a bit of help on, Ive designed a circuit incorporating solid-state relays but can't seem to get it to function correctly, I require someone that knows Eagle and is up to speed with PCB solid state relays, alternatively a redesign with electromechanical relays may be considered

    $754 (Avg Bid)
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    servo card required to be work properly each component should must be connected in way as it is shown in drawi...component should must be connected in way as it is shown in drawing .This servo card is used to control the speed & direction of small scale hydraulic motor. The PDF file of circuit and sample pic of servo card is uploaded CAD - $50-100$

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    We need High quality Graphic photos for our board game. Our Budget is not high and we are searching for perfect match. we have to print the Photons on the game cards. so we need it to be perfect quality

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    36 bids

    I need to prepare a SCH and PCB for the programming jig I created according to the photos attached. I'd rather to have the circuit of FTD1232 on the board as well. The project must be done in Altium

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    I need help with developing a circuit that can fit into our casing. It would need to be able to connect to a smart phone via wifi or bluetooth and can be charged on a charging pad. Function: Temperature sensor Speed and pressure sensor Time being used sensor Midi function GPS LED light options

    $12 / hr (Avg Bid)
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    Classifieds Portal, Vote, and Ranking for listed companies, Leader Board for user activtyProject, Blog and Product Listing and reviews in PHP

    $537 (Avg Bid)
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    13 bids

    We require a pcb designed that is a replacement for an ethernet shield that also can power the board via POE. The following is the existing board being used. [login to view URL]

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    34 bids

    Hello, does any team have experiences in building a job board? Kindly show me previous work with admin login, along with the cost, may be some modifications like membership plan are needed, content needed too etc.. Thanks for your bids.

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    Hello, does any team have experiences in building a job board? Kindly show me previous work with admin login, along with the cost, may be some modifications like membership plan are needed, content needed too etc.. Thanks for your bids.

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    I need to design a circuit that can run a motor and take an input from a dc generator all using a micro arduino and a small stack of rechargeable AAs (a standard arduino is also acceptable, but I already have the micro). On the attached photo: Its hard to see whats going on, but the big drum is acting like a motor and theres a small dc motor(#1) in

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    Hello, does any team have experiences in building a job board? Kindly show me previous work with admin login, along with the cost, some modifications like membership plan are needed, content needed too. Thanks for your bids.

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    On an exisiting page listing items (restaurants) a link with icon 'review this place' is added for specific items. When clicking on the link, a page opens with, at the top, the name of the item and picture under it. Under these, a form allows to rate from 1 to 5, and then to write a comment in a text box. Both fields are mandatory. Finally, a send button allows to post the data to ADMR...

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    I have a picture of a circuit and I need an Orcad file with the components shown in the circuit and the simulation. The circuit is an active noise cancellation circuit so for the simulation you will have to add a sinus source

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    I need an Android game like Drench (Color Flood). I would like it diffrent designed and built.

    $171 (Avg Bid)
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    13 bids

    Hi, I want a simple battery charging circuit powered by single phase alternator (varying input ) on Simulink-simscape.. I am student from India.. glad if you could help.. I've seen your similar work on your YouTube channel but it was three phase

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    1 bids

    A simple battery charging circuit with single phase alternator is required in Simulink-simscape

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    Single phase alternator powered battery charging circuit

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    ...photo studio in Bangalore. The entire project and its detailed specifications are given in the attachment. The task is to Analyze the existing circuit and building a prototype and testing or designing a new circuit, schematics and PCB for the specifications that I have given in the attachment. Once the PCB is done in either way. I need a working prototype

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    ...we want. Pcb can be a circuit diagram. for example Arduino analog output 1V to 12V and 0.4A Arduino analog output 2V to 12V and 0.8A Arduino analog output 3V to 12V and 1.2A Arduino analog output 4V to 12V and 1.6A Arduino analog output 5V to 12V and 2.0A I want to control 12V and 0-2A by 0-5V signal. I need a circuit and when I apply it's output

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    i need someone to install my fourms for me

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    Story Board/ 2D & 3D Animators- Similar to "Marvel Comics"

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    33 bids

    HI, My company Name is Microplacer.com. We need Proper printed circuit board designer for our company.

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    12 bids

    I need someone to complete a 3d animation for me.

    $479 (Avg Bid)
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    46 bids

    ...and Lyft. There will be crazy stories from drivers and riders, advice and thing that happen to drivers. Each video I will provide the audio and I need someone to do the white board animation or videoscribe animation. Can you do this and if you can do you have some examples of you work that I can see. Plus I need someone that is passionate about this because

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    We Deals Into Mobile PCB And Computer Mother Board Need Someone or Direct Seller Who Can Sell Us that Welcome from Any Country. Apart From Asian Countries.

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    Building a Power subsystem for water level monitoring system for tank. We are using Arduino due and we need to implement solar cell of 5v with battery and backup battery. Batteries are rechargeable for the absence of sun. The solar cell has to work for at least a year without intervention and the back-up power source with enough energy for two days of functionality. As we can see it’s a sola...

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    We have a banquet hall named : "ISKCON House" This has newly been renovated with a grand look We want a design to be made for putting on a bill board. The design should be in such a way that it can be easily modified for different aspect ratio. As of now you can design for ratio 3:2. New Banquet Hall Double high ceiling Convenient Location

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    Guaranteed
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    12 entries

    Looking for someone with experience to design pcb circuit, layout, schematics, bom, gerber file for an IoT project. Must be familiar with embedding software and working with small size pcb. Can be up to 4 layers, 30mm in size

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    Alter an existing design in KiCad. Esp32 Design Remove a few Components Add a screen Please only experienced circuit designers , The current design is proven and these addition must work first time .

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    Make electrical servo card as per electrical circuit. All the components should be provided Who are interested to do this please contact [Removed by Freelancer.com Admin] CAD : 50 -70$

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    Make electrical servo card as per electrical circuit. All the components should be provided Who are interested to do this please contact [Removed by Freelancer.com Admin]

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    HI, We are looking for someone to design us a graphic to be printed on our estate agents boards. We have out logo ready but we need that incorparated into a design with out telephone number and website.

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