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    4,717 voltage travaux trouvés au tarif de EUR
    multi-cable / auto chargeur S'est terminé left

    Charger un téléphone demande beaucoup du courant chaque portable 220 v et en passant par le transformateur abaisseur du chargeur cette devienne d'une voltage de 5 V alors mon projet est un design d'une boîte électronique qui crée du courant de 3,4 A et du voltage variable 5V - 50V et à la sortie du courant on trouve 10 cables pour charger le t&eac...

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    4 offres

    Quand un Dell Vostro V130 batterie est chargée dans une heure ou moins, le résultat est plus bas niveaux de charge. Dans un tel cas, le chargeur saute l'étape 2 et va directement dans « l'état prêt » après avoir atteint le seuil de tension. À ce stade, la batterie est de seulement 70 % de charge. L'accusation de garniture h...

    €410 (Avg Bid)
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    I have a small project now and a bigger project coming soon. The small project includes a servo driven rack and pinion mechanism You can find the specifications on the page of the product: [se connecter pour voir l'URL] I contacted their customer support and this is what they told me "A Servo motor needs a PWM (pulse width modulation) signal to rotate. This signal can be generated by a m...

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    design a micro-controller based motor drive for controlling the speed of a permanent magnet DC motor. In this design, you will be designing a chopper circuit based motor drive that uses either an IGBT or MOSFET, for control of a dc permanent magnet motor for variable speed operation in one direction only. The specifications are as follows: 1. Motor: Type: dc permanent magnet motor. Voltage rating:...

    €128 (Avg Bid)
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    19 offres

    Voltage, Peaks, Cycles, and Periods in Electricity video explanation: INSTRUCTION: I need someone to make 3D video from this reference video: [se connecter pour voir l'URL] Video editing must be made in Adobe After effects and all 3d things must be made in 3D max. Video must be different from reference video but with same meaning.

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    Desgin High Voltage DC Generator Simulator by Simulink or pspice, the idea is to make a simulator program which we will choose how many DC Voltage we need then the program will calculate and show us what we need to get this voltage.

    €224 (Avg Bid)
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    we are looking for android app that can read data from smartphone sensor(LIKE-Samsung A50) *Data from Android Mobile : - accelerometer readings (linear acceleration and gravity sensors) - gyroscope (calibrated and uncalibrated) - device 3D orientation - proximity sensor - step detector and counter, kinetics sensors - significant motion - rotation vector sensors - other motion and position sensors...

    €396 (Avg Bid)
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    3 phase voltage shunt active power filter model in simulink

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    Hello expert I am looking for someone who could help me with this project: I want to design PCB for wire and wireless UV nail lamp with these requirements: 1. Supply by 24V 90W external dc adapter 2. 32 parallel LEDs 3.3V, 700mA max current, devised in 2 groups. For them to work stable, they need supply by constant voltage, constant current( adjustable by potentiometer as I might use different t...

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    In this project we have to find the parameters ABCD , then we have to simulate them using matlab. Need to do the pole placement, state feedback with integral by pole placement , observer based feed back by pole placement ....

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    8 offres

    Hello, everyone! I want to design power down circuit for getting 5 & 3.3V from 12V. I don't need to use voltage regulator like LM7805 or DC-DC converter. I only need SC415. I already made sch and pcb, but result was bad. I want to fix my error and design correctly. Don't bid if you have not top experience in SC415 field.

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    12 offres

    Hello, Based on a CCFL circuit, we would like to build a customized safe PCB that provides a 1-30kV, 1-25kHz with max 20W power output. The PCB should have a GUI with a display that shows 4 levels of power. The PCB needs to be powered with a 12V power supply. Further details can be provided. We look forward to your proposals.

    €191 (Avg Bid)
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    10 offres

    I need MOSFET design. Use the MOSFET simulator on [se connecter pour voir l'URL] ([se connecter pour voir l'URL]) to design an n-type MOSFET using the following specifications: Uniform doping density Channel length = 22 nm Oxide thickness ≥ 0.8 nm S/D length ~ 2×Channel length Junction depth ~ Channel length Substrate thickness ~ 40 nm Device width = 1000 nm S/D doping concentr...

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    need to design a simulink model for PEV's charging using Neutral point clamped converter with bipolar DC bus and addition to Voltage balancing circuit. Details will be discussed on chat!!!!!!!!!!!

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    Hi together, Im Looking for an Engineer, who can desing and develope a 18650 Li Ion Master Slave BMS System, who is fully configurable over an IC. The Design should works with Serial and Paralell Battery Pack and should also be have a fail over circuit, if a parallel Packs crash or are not working well. BMS Features Slave: --> Over / Undervoltage Protection --> Shorten Circuit Protection ...

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    Hi, I've got a device (based on atmega328) I'm looking to add some functionality to. Currently, it rotates a stepper clockwise/counterclockwise based on the buttons pressed, with double/triple/etc clicks moving it more. The first project: I have a programming port that I want to use to attach a bluetooth interface, and i'll communicate with it through my laptop. bluetooth interfac...

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    LDN
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    45 offres

    For a UV-C lamp (used for disinfection of hotel rooms) we have decided to develop a controller (hardware and software) as follows: - internet connection thru WiFi and GPRS (HTTPS) - recording of operating hours - transmission of operational data to our servers - reception of commands (e.g. "lamp on") from our servers including execution of the commands - reception of commands from a sma...

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    led controller S'est terminé left

    I own a start up L.E.D. business in the entertainment industry. I want to create a few low voltage dimming controllers with encoders to adjust color and Pulse Width Modulated dimming, and Hertz Frequenecy adjustments viewable on a color display. the controllers will need to be able to support protocols DMX, Artnet, sAcn. 24v Led strips 5amps per channel scale able from 2 channels, 6, 12, 32 ch...

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    Hello everyone! I'm a Software Engineer with not-so-many electronics knowledge, so all the specs below are highly subject to your suggestions. I'm looking for someone to develop this circuit covering all the technical specifications and requirements to be stable and functional. Below you will find the list of items I need to work together: 1. ESP32 1a. Voltage regulator 2. DS3231 I2C R...

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    10 offres

    Hello everyone! I'm a Software Engineer with not-so-many electronics knowledge, so all the specs below are highly subject to your suggestions. I'm looking for someone to develop this circuit covering all the technical specifications and requirements to be stable and functional. Below you will find the list of items I need to work together: 1. ESP32 1a. Voltage regulator 2. DS3231 I2C ...

    €526 (Avg Bid)
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    40 offres

    Design a 200-mile transmission line that will supply a 250-MW load at rated voltage and 0.85 power factor lagging. The following specifications have been established for this line: • The voltage regulation must be less than 10% • The efficiency must be greater than 95% at full load • One of the following standard voltage levels must be used: 138, 230, 345, 500 or 765 kV • A sin...

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    9 offres
    Circuit development S'est terminé left

    We need a small circuit based on 555 timer or something similar. The circuit will be used to drive a small dc motor. the task of the circuit is to cutoff the power after 2 mins of usage. Accuracy can be within +-5% The circuit will have a button for user to start/stop the motor. The time period should be independent of the voltage level of the battery i.e. should not dop as the cell voltage drops...

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    17 offres

    Design a 200-mile transmission line that will supply a 250-MW load at rated voltage and 0.85 power factor lagging. The following specifications have been established for this line: • The voltage regulation must be less than 10% • The efficiency must be greater than 95% at full load • One of the following standard voltage levels must be used: 138, 230, 345, 500 or 765 kV • A sin...

    €101 (Avg Bid)
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    9 offres

    Design a 200-mile transmission line that will supply a 250-MW load at rated voltage and 0.85 power factor lagging. The following specifications have been established for this line: • The voltage regulation must be less than 10% • The efficiency must be greater than 95% at full load • One of the following standard voltage levels must be used: 138, 230, 345, 500 or 765 kV • A sin...

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    Fuzzy PID D-STATCOM 1. Input: The input source is DFIG. 2. Controllers: STATCOM Controller with fuzzy-PI. 3. Fuzzy logic controller: In fuzzy create the membership functions and create the rulesrefer the paper(fuzzy ref-1, fuzzy ref-2 & fuzzy & PI ref) 4. PI controller : PI controller passed to signal of PWM to voltage source inverter refer the paper( fuzzy & PI ref paper) 5. The ci...

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    I have grid and have motor working in high voltage 6.6 kv when the motor start the switchger in mobile substaion triped due to low voltage protecton i want to solve this and analysis diagram

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    home energy meter(wattmeter) S'est terminé left

    I want a home energy meter for my house which shows realtime power consumption along with voltage and current. current accuracy upto 0.0001.

    €112 (Avg Bid)
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    5 offres

    I need a PCB board with 32bit micro controller with Micro USB for programming and WIFI & Modbus communication range up to 50 meter. it should have 05 input and 05 output relays 5A load capacity, Along with 03 inch LCD to display internal program with nob rotation control Up/Down program. Internal program memory should be 05 to 10 MB or external Memory cad support. Input power PCB board control...

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    38 offres

    Design a 200-mile transmission line that will supply a 250-MW load at rated voltage and 0.85 power factor lagging. The following specifications have been established for this line: • The voltage regulation must be less than 10% • The efficiency must be greater than 95% at full load • One of the following standard voltage levels must be used: 138, 230, 345, 500 or 765 kV • A sin...

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    10 offres
    Web scrapping S'est terminé left

    We are developing a solution that integrates data from different applications and systems. Data is owned by the customer, but not easily available. Need to do a web scrapping-based quick patch that will be used temporarily. Use case 1. 1) Login into a web site (we provide user and pwd). The site provides information about status of our vehicles, which are tracked using a tracker that plugs into t...

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    57 offres

    I am creating one iot device which reads voltage and send the reading over to the server using http or https. I need an expert who can help to build this device.

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    Logo for Electricity Company S'est terminé left

    We are looking for a killer 3D Logo that can be applied to letterheads, websites, business cards, and suitable for a car ad. We want the logo to have an electric feel. We need the logo designed in a manner that looks like voltage is running through it so the we can can have a stop animation film as well.

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    Matlab Code for AC Circuit S'est terminé left

    Analyze a circuit that has inductors, capacitors and resistors and powered with AC voltage source.

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    Hello i have a smps circuit which is can changeable voltage with analog pot,i want remove analog pot and make control with button control,and i need panel meter with is can see show with 7 segment voltage and current for more detail please contact with me Do not give bid from Pakistan or india

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    11 offres
    Skin voltage amplifier S'est terminé left

    Simple small circuit to amplify EEG and Skin voltage to up to 18 V in analog way - smallest design - if this works out well it can expand in a large project

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    For Raspbery Pi 3B+ i need some examples how to do things: on Raspberry Pi i use official program that is provided with Raspberry Pi 3B+ With 0 knowledge with Raspberry Pi programming, i need your guidance. IMPORTANT: write step by step instructions like this: step 1 step 2 step 3 step 4 I need to know what to click what to press, where to select in menu and every important step for me to progr...

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    1 offres

    For Raspbery Pi 3B+ i need some examples how to do things: on Raspberry Pi i use official program that is provided with Raspberry Pi 3B+ With 0 knowledge with Raspberry Pi programming, i need your guidance. IMPORTANT: write step by step instructions like this: step 1 step 2 step 3 step 4 I need to know what to click what to press, where to select in menu and every important step for me to progr...

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    PCB Designer for turnkey project S'est terminé left

    Description of the device: This project consists in the design of a PCB for a WiFi wattmeter. The project is composed by 3 tasks: PCB, simple firmware and one sample unit to test it. ➡ ➡ ➡ IMPORTANT: In your bid, I want separated prices for each task. 1) PCB Device: ● Input voltage: AC 220V/110V ● Wifi communication ● Power max input: At least 3700W ● Relay (or any other element) to be able t...

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    Storage Tower S'est terminé left

    Have a Metal Fabrication Company. we do contract manufacturing and manufacture of completed fabricated metals. we are wanting to change the direction on our sales push. so we would like to Design, Engineer, Build and Sale these Vertical Storage Towers. We are already starting the Mechanical/Structural Design of the Storage Tower and the Pallets. We need help with the Motion Control Side of the Pr...

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    1- developing correct the MATLAB code for the attached circuit with comments and explanation of each row of the code 2 - provide a MATLAB script within which the circuit elements are first defined. 3- Equation representing the voltage gain of the selected circuit should be clearly mentioned in the code. 4- The code should be able to plot the frequency response of the voltage gain.

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    real time data from sensor S'est terminé left

    I want to moniter my room power consumption on my laptop or mobile. I also want to know the real time voltage and current. I want only ckt diagram and arduino code thats it. The current sensor is given in attachment.

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    7 offres

    Laki Power ([se connecter pour voir l'URL]) is looking to revolutionise energy grid management. Our world-first technology can harvest electricity directly from high voltage overhead lines to power remote surveillance equipment, communications and drone-recharge stations. We are looking for an experienced Web GUI designer to assist us with updating the layout and graphics of our surveillanc...

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    RF Receiver: 434,000 MHz 2 Channel Wireless Receiver 9 – 32VDC Operating Voltage Positive Output (Latched until Negative unlatch received) Unlatch Negative input Negative Output Channel 1 (Momentary) 2A Negative Output Channel 2 (Momentary) 2A Built in Buzzer (Buzzer signal when RF signal received, NO SIGNAL if LATCH ON) Buzzer Specs: PCB Mount; 3500Hz; >90dB; Learn Button ( PCB mount but...

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    Project for Avi G. S'est terminé left

    Hi Avi G., I noticed your profile and would like to offer you my project relating to design and physical prototype of a high voltage SM power supply. We can discuss any details over chat about the project and the budgets. Thank you, NN

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    1 offres
    circuit board design S'est terminé left

    small battery powered zvs induction heater. powered by 18650 batteries with adjustable voltage 8v-12v 4a-6a. LED colors to change with voltage. needs to be rechargeable with BMS and safety features like auto shutdown and auto load shutoff after 15 seconds.

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    Our company assembles and provides electrical accessories particularly for solar industry. Example products are protection boxes for protection from surge, short circuit and over voltage, high strength battery cables, boxes to combine solar panels in suitable way etc. We need a unique logo which would be printed on all these boxes and help in increasing brand value. Company brand is Flin Power. ...

    €18 (Avg Bid)
    Garanti
    €18
    104 propositions
    Motor Control S'est terminé left

    Capacitive Touch Motor Control. This control will consist of two PCBs. One will be a capacitive 12 key touch pad, the other will be a high voltage relay control. I want someone to review and improve the current design on file. I am currently using the TP229 chip to control the capacitive touch sensing. I would like to switch to the Qtouch or similar method. Also the control needs to have any noise...

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    29 offres

    Hello Developers This project is to create a linearization system for the output of a temperature sensor which is it has not a linear output but exponential. With a system or circuit of op-amps have outputs values (0-5v range) with relationship [ -10°C ~ 100°C] and then use them as inputs for a micro-controller (Arduino) from 0,1v to 5v with operating voltage. Find a image and sensor dat...

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    I build race/street cars and am seeking someone that specializes in Arduino, Raspberry Pi or a similar product to control and monitor the position of one (possibly 2) linear actuator/s. The position monitoring of the actuator will be analog 0-5V, however I would like for that actuator range to be user programmable as a range from 0-100%. I need for the Arduino/Raspberry Pi board to accept a freque...

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