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    11,796 circuit design needed proiecte găsite, la prețul de USD

    Am un produs on-line si as dori sa fie promovat pe piata din Romania, promovare on-line. Nold Open - dispozitiv/aplicatie pe telefon pentru control acces Nold Open este un dispozitiv de control pentru smartphone-urilor care se conecteaza la un sistem existent de usi / usi de garaj (actionate cu motor, electromagneti etc.). Acesta utilizeaza cea mai avansata tehnologie Bluetooth wireless prin ca...

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    Project for Adrian-Ioan P. S-a încheiat left

    Salut Adrian-Ioan, As avea nevoie de cineva priceput la design hardware mixed signals pentru un PCB la care lucrez. Nefiind un inginer hardware si fara experienta in domeniu sunt sigur ca sunt lucruri de imbunatatit, chiar corectat. Pe scurt placa contine Bluetooth Low Energy, cativa senzori si circuite pe I2C, ADC extern pe SPI, circuit de on/off de la buton, circuit de incarcare baterie,...

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    The numerator used will have entrance to R asynchronous. It will only use the 4000 series circuits. The clock oscillator will provide two rectangular signals with frequencies of 3Hz, 5Hz and 360kHz and a tact signal manually. Divizor fix de frecvență cu 68. Numărătorul folosit va avea intrarea R asincronă. Se vor utiliza numai circuite din seria 4000. Oscilatorul va furniza semnale dreptunghiul...

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    Am nevoie pentru un site realizat in joomla de niste modificari la k2. Template-ul este unul platit dar suportul lasa de dorit. Am nevoie ca item-urile din k2 sa aiba o optiune sa setez un ribbon pe imagine care sa apara atat in item efectiv cat si in lista de afisare. Trebuie sa pot scrie sau sa atasez o imagine in coltul din dreapta sau stanga ( early booking, circuit, revelion) Atasez o poza ...

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    Se doreste implementarea unei aplicatii de oferte turistice de la Christian Tour. Datele se preiau prin apelul CURL. Un exemplu: Se apeleaza de forma [conectează-te pentru a consulta linkul URL] cu parametrii: a. action = get_offers b. username = username c. password = password Username si password sunt primiti in prealabil pe email. Metoda va intoarce toate ofertele prezente in acel mome...

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    FINANTE PUBLICE S-a încheiat left

    Conceptul de finante 1.2 Sistemul financiar 1.3 Acceptiunea clasica si moderna a conceptului de finante publice 1.4 Functiile finantelor publice 1.1 Conceptul de finante Ca urmare a dezvoltarii intregii productii sociale ca si productie/circulatie de marfuri, in vederea constituirii resurselor necesare oricarui tip de activitate se impune formarea unor fonduri (resurse) banesti. In acest context, ...

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    More details will be on DM

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    I lack the knowledge to design a circuit. Here are the things i need. It will be supplied by a 12 V DC from battery pack The 12 v dc will supply a normally closed solenoid valve. The solenoid valve will be interrupted by the main ON / OFF switch once the switch is ON, it needs to have TWO timers TIMER 1 will OPEN solenoid valve every 0 to 60 mintes (adjustable) TIMER 2 will say how long OPEN ( ...

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    Trophy icon Design me a Tshirt 4 zile left

    Text Only T-Shirt " END SLUT SHAMING' Id like white on black design with a font that is digital looking. I really like digital circuit art and would like to incorporate that. Ive attached a file for clarification as to what a circuit is. Please let me know if you have any questions!

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    Looking for an engineer to design a circuit board to control a small 12/24V DC motor with display and setting functions

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    i need a 120vac to 5vdc on a pcb with a fuse link to protect a circuit board. I am going to put in a [conectează-te pentru a consulta linkul URL] argon board that I just plug in with headers (i.e., like a socket to put the argon in). The 5vdc will wire to the vusb pin on the argon. Pretty simple

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    We are looking for a Cordova developer to create a module for an app that we have been working on. The module will need to connect three different plug-ins. A plug-in that communicates with an andui circuit board, plug-in that maintains in internal database SQL, and a plug-in that reaches out to the web and pulls imagery to be saved in the app. We will also need help writing a crib job to run ever...

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    Project Overview I need a schematic and PCB layout using Altium PCB designer. The circuit is available as a sketch and contains an 8pin SOIC plus a few R’s and C’s The board will be 2 layer and approximately 50mm by 50mm I would like the design completed as soon as possible but at least before 3rd March. I will make the PCB and assemble / test. Project Description You will take the s...

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    For the figure show below, Resistor programmable array is implemented using twenty 10k ohm resistors only 7 switches are be used in between. The 500 ohm, 1k ohm, 2k ohm, 5k ohm, 10k ohm, 20k ohm, 50k ohm, 100k ohm resistors are working in one single circuit by operating the switches either in parallel or in series conditions. You need to take two nodes p and n and make the whole circuit work in be...

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    E stop - Circuit 3 zile left

    We are a Designer and Manufacturer of Specialized Mortuary Equipment. On a current product that has many movements - we want to review the electrical ( 24V ) circuit and redesign to ensure the E'stop Circuit satisfy's IEC Standards. We are in the Dandenong area of Melbourne ( Australia) and would like the work to be carried out on site.

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    Hello, We are developing a bluetooth speaker concept and are looking for a PCB designer/developer to help us design a circuit board. The functional requirements for the project are listed below: Operates on a 3.7v (battery input) to (may need to be converted to 5v to operate the circuit) Using 3.7v li-ion battery, the circuit must include a charging option with all safety requirements, ...

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    A balanced three-phase Y-connected generator with positive sequence has an impedance of 0.2 + j0.5 Ω/ᶲ and an internal voltage of 120 V/ Ω/ᶲ. The generator feeds a balanced three-phase Y-connected load having an impedance of 39 + j28 Ω/ᶲ. The impedance of the line connecting the generator to the load is 0.8 + j1.5 Ω/ᶲ. The a-phase internal voltage of the generator is specified as the references ph...

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    Looking for an experienced product case designer that can provide guidance and ideas in the product case design process. I need a plastic case designed for a small electronics product. The case will hold a PCB that is 48mm x 20mm in size and ~5mm tall. The case should not be much larger than that. A small cord enters the case on one of the 20mm sides and exits the case on the opposite end (see cr...

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    I need electric kiln circuit diagram with name of devices used in circuit to make my own kiln.

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    We are looking for experienced Engineering Projects writer to produce a New Experiment science projects with circuit diagrams with demo pictures We offer to pay $20 for every 1 mini projects. and we 100 mini projects We may negotiate the price for experienced writers. This Book is written for all the people who love innovation. It is the big collection of ideas to do some innovative project, to...

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    Trophy icon Create a Design S-a încheiat left

    Hello, I have new website I need to put some graphics into. I am looking for splash kinda designs like main picture on the slider right now. I am in need of 3 category images as well. Images below are the images I need to be changed into something else. Use your imagination please.. My website design to seek inspiration: [conectează-te pentru a consulta linkul URL] The store is about STICKERS so...

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    We want to design 1kHz spot welding transformer based on data provided. Please find attached screenshots for transformer design data Rated permanent input apparent power - 72kVA Output power at 20% duty factor - 150kW Frequency - 1000Hz Rated primary supply voltage - 650v Permanent input current - 111A Rectified voltage - 8.4v Permanent output current - 8kA Maximum duty factor of magnetic circui...

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    dear freelancer i am looking for a someone to help me to design a circuit to do the following features please see the attached document, this circuit will be giving to PCB manufacture to make it, the PCB board will be 80mm in diameter circle shape. the power source that will be provided to this board will be 15 dc volts, with 4 amps current., will provide the hardware and circuit connection and a...

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    Bases y fundamentos científicos para la generación de un recurso energético reversible, renovable e inagotable (reemplaza el uso de todos los combustibles derivados del petróleo), aplicable a todos los motores de combustión interna: el nuevo recurso energético reversible “REVEN”. El recurso (Tecnologia / Producto) está patentado en 197...

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    Cordova Developer Needed S-a încheiat left

    We are looking for a Cordova developer to create a module for an app that we have been working on. The module will need to connect three different plug-ins. A plug-in that communicates with an andui circuit board, plug-in that maintains in internal database SQL, and a plug-in that reaches out to the web and pulls imagery to be saved in the app. We will also need help writing a crib job to run ever...

    $18 / hr (Avg Bid)
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    16 oferte

    We wish to create a low-cost consumer audio playback device (PCB only) using a BT201 [conectează-te pentru a consulta linkul URL] audio board. This board is capable of storing and playing back MP3 files from local storage on a TF card (16 GB) and includes audio output as well as a built-in amplifier and Bluetooth 5.0 (BLE) and the ability to connect a 5V battery as well as expand onto the board vi...

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    Prezentat Urgent
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    8.5 Volt SMPS S-a încheiat left

    I need a power supply with SMPS topology. Size: As small as possible with 100% safety 1. DC Output Volt : 8.5 ±0.1 2. Output Current : 2.3 ± 0.01 Ampere 3. Input : 230 Volt AC ± 20% Single phase 50Hz 4. Line regulation : Very High (Steady DC output Voltage even in ±20% AC Input voltage change 5. Load Regulation : 0.01% on 0 to full load 6. Over load and unlimited Short...

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    Verilog Vending Machine S-a încheiat left

    I would like to implement using Verilog a circuit that simulates a single column 6-item drink machine where everything sells for $1.50. I would like to see a test bench to prove it as well! Cash only, no CCs. Nickels, dimes, quarters, half-dollars, dollars. Preferring not to pay more than $85 if possible!

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    Vending Machine in Verilog S-a încheiat left

    I would like to implement using Verilog a circuit that simulates a single column 6-item drink machine where everything sells for $1.50. I would like to see a test bench to prove it as well! Cash only, no CCs. Nickels, dimes, quarters, half-dollars, dollars.

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    Overview: Processed parts must be electrically in contact with rack holding the parts. The maximum resistance allowable between the rack and the parts is 1.2ohms. Number of circuits needed is 5 I would like a circuit designed out of commercially available components that will provide a red light when resistance being measured is >1.0 ohms and a green light when resistance being measured is &l...

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    We need to design and simulate a circuit in MPLAB Mindi that takes 6.6A constant current arbitrary waveform which drives LED Driver at 30V, 1A. An experience with working on electrical circuits regarding thyristor, led driver, triacs, bridge rectifier is a must. More details shall be submitted after successful bidding demonstrating your capability. Should be something like the link shown. If cont...

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    Hello Guys, I have some electric issues in duct heaters... As you see the upper contactor has been burnt ! although I used 60A & 6 AWG contactor per step , & the clamp-meter idicated to 38.7 A per step & 77A FLA ! i'm confused whats the prblem because the fuses are not burnt bu that means there is no overcurrent or short-circuit ! at the first stage the cables became so hot ...

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    We are using tanner Tool for schematic, simulation and layout of the proposed circuit. We are making new xor xnor gates and with the help of these gates we are using in new full adder called as hybrid full adder.

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    I need to build a project that will be used to decorate gardens. It will be consisting of a day night sensor and a driver circuit. The driver circuit will be used to change the color of the led's. And the whole circuit will be driven by solar panel. So i need the whole circuit from the solar panel to the battery that will store the power for emergency and after that the day night sensor along...

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    • A step-by-step mathematical modeling of PV arrays /module with tags in MATLAB/ Simulink has to be implemented. • A DC-DC converter is used to match the load by adjusting duty cycle and a DC-AC inverter and a control unit are used to provide an AC voltage. • Different MPPT technique such as Perturbation and Observation (P&O), the Incremental conductance, Fractional short circ...

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    Design a parallel resonant converter for a solar energy harvesting system with the following specs. v in = 20-40V V out = 375-425 V Power = 300 W Show your design (in matlab/ any circuit simulator software) Calculations to select Switching frequency Transformer turns ratio Designing L and C Show all waveforms Do the design for high and low Q (quality factor), compare both.

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    olá, o projeto de arduino é criar um sensor que detecte que o suporte da caixa das Twinbin foi aberto, enviando para o email as informações relativamente a caixa, como por exemplo a quantidade a repor e a sua localização, a essa informação só era transmitida após 2 minutos depois de aberto o circuito. Além da programa&cce...

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    Basically, I want this project to be in two parts but i am handling each differently. That is the pulse and VLF. Interested bidder should be able to include all source codes and pcb schematic drawings; I want pulse and vlf metal detector projects with all the technical documents. Requirements: 1. I should read the received data over rx-tx. or I should read data from adc input of different microcon...

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    I'm trying to build a circuit that will connect to another device using WiFi direct. Once the connection is established, some content must be transferred. Can use esp 8266 or equivalent chip

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    I am looking for PCB design, and the Gerber files to hand to prototypers. the circuit will use for a local textile machines *Components will include PCB, IR (Emmitor- detector), a small microprocessor, power transistor to drive a relay, a dual color LED, and the circuit will communicate with a mega Arduino via I2C protocol. *small program to operate the PCB. *the body form will be a whole disk wi...

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    Basically, I want this project to be in two parts but i am handling each differently. That is the pulse and VLF. Interested bidder should be able to include all source codes and pcb schematic drawings; I want pulse and vlf metal detector projects with all the technical documents. Requirements: 1. I should read the received data over rx-tx. or I should read data from adc input of different microcon...

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    2 oferte

    Hello Freelancer, I am looking for a competent partner in upgrading an existing PIC18 Control unit. In this project your task is to find the correct Microcontroller-Pins for the new and changed parts and to check if something is missing or incorrect. After that, the hardware functionality should be given, that's all. Have a look at the attached "project Description" for more Inf...

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    Arduino circuit and code S-a încheiat left

    We are a manufacturer of high quality products related to the welding industry. We are currently developing a prototype for a new product that will utilize 2-3 Arduino boards to communicate wirelessly between the welder and his welding machine. We are looking for help developing the electronics circuit and code.

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    Hi vinod I want to build a demo circuit using. ESP8266 would you be able to do it? The experiment is simple., This circuit should read a file from a SD card and stream it to wifidirect

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    Build a Android App S-a încheiat left

    I created one ciruit it will upload the gps data to the thignspeak database. Now i want the one Android application that application need to retrive data from the database and show in the app. The location traking is real time because my circuit is fixed in the bus. That circuit is upload data every 15 seconds.

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    Hello I am willing to do a project for agricultural purposes. It includes sim800l, Arduino uno (later going to replace it by circuit board for cost optimization), motor, flow meter and some more devices.. Simple requirements are PCB Design. Cost optimization through PCB and for production want to replace Arduino. Arduino Programming or Micro-controller Programming with if-else statements.

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    I am building a induction heater that can be used in professional cooker, so I need a circuit that takes power of 220 V and power can be controlled by Arduino or Raspberry Pi. We have a induction coil which is 2100 Watt. Here is the link: [conectează-te pentru a consulta linkul URL] We already have a circuit that can run the heater but we cannot control the power. Also we have a professional he...

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    20 Watts SMPS S-a încheiat left

    I need a power supply with SMPS topology. Size: As small as possible with 100% safety 1. DC Output Volt : 8.5 ±0.1 2. Output Current : 2.3 ± 0.01 Ampere 3. Input : 230 Volt AC ± 20% Single phase 50Hz 4. Line regulation : Very High (Steady DC output Voltage even in ±20% AC Input voltage change 5. Load Regulation : 0.01% on 0 to full load 6. Over load and unlimited Short...

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    Circuit Design + Board Design Basic Description Car USB Power Supply Input 10-20 V Output 5.15 V 4 Amps Special features : The USB needs to be able to output 5.15 V @ 4 Amps for 15 seconds after the input Power has been switched off (maybe via capacitor ?) There needs to be 1 GPIO pin that is 3.3V as long as input Power is connected If input Power is disconnected this pin needs to be swi...

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    14 oferte