Voltage amplifier circuit jobs

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    14,850 voltage amplifier circuit jobs found, pricing in USD

    We want to build a generic code which works for 1 Channel, 2 channel, and 4 channel Dimmer (using TRIAC(BT139)) and it should also be able to give power reading for HLW8012(Power metering chip) It gives output in the form of frequency that is directly proportional to the power. We can also give an independent project for working only on HLW8012/Dimmer separately but the code should be compatible w...

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    I am looking for 1) Circuit diagram 2) Coding part 3) Assured output

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    Prepare power system study including short circuit and arc flash study using Easypower or SKM software.

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    We're a team of 4 engineers from the University of Rochester and we're de...instrument based upon a flexible piezo-resistive touchscreen. Functionality has been demonstrated via breadboard. We are now ready to optimize the electrode design and transfer the circuit to a PCB. But none of us have Eagle or CAD experience, so we are in need of assistance.

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    Existing old catalog to be redesign and update. Product Low Voltage Automatic Transfer Switches.

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    The Circuit is done. Now I need someone who can programm a NRF52832 with my requierments. 1. An input signal on a pin has to set the device in pairing mode. If it is allready paired, it has to disconnect. 2. The device has to connect as special HID Device. I can give you the exact Profile. 3. The device has 3 analoginputs. If one of this inputs reaches

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    Looking for a freelance electrical engineer in Southern California (Orange County) to design, build and troubleshoot custom electronics and put together instrumentation for test and measurement for various projects. Would require visits to our site to discuss details with our engineers. Mixed signal applications and some embedded computing skills required. Experience with high frequency circuits a...

    $36 / hr (Avg Bid)
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    I have a DC car generator as shown in the file attached. I made modification and removed the rectifier circuit. I made the stator winding as delta connection. I want to design the circuit that control the speed very slowly (smooth movement) to use the motor as an egg turner. it move to the right to limit switch and then back to other limit switch. I

    $151 (Avg Bid)
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    Wireless LED Light Circuit 4 days left
    VERIFIED

    Highly Integrated Wireless Receiver Qi (WPC v1.2) Compliant Power Supply Implement bq51003 or similar in the smallest package. Deleiverables. -2 or 3 layer board -Inductive Coil to be made with tracks -BOM (inductor, LED, capacitor(s)) -LED colours (Red, White, Blue, Green, Yellow) -PCB Production Package

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    Hi, This is a PCB manufacturer from China, we provide one-stop service, including PCB fabrication, assemblying and so on. I'm looking for an agent in your local market, you can design, you can also earn the price difference or the brokerage, it's up to you. If you have interests to be our cooperative partner, pls contact me.

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    rfid engineer 4 days left

    rfid low voltage project to detect close objects with rfid tag on it.

    $441 (Avg Bid)
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    An electrical engineer is needed to assist with the design of a schematic for a circuit board of a musical instrument keyboard. The circuit will include approximately 400 buttons / keys, most of which will have polychromatic attributes. Once finished, silicone or rubber will be used as a user interface for the buttons. The instrument will be used

    $567 (Avg Bid)
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    An electrical engineer is needed to assist with the design of a schematic for a circuit board of a musical instrument keyboard. The circuit will include approximately 400 buttons / keys, most of which will have polychromatic attributes. Once finished, silicone or rubber will be used as a user interface for the buttons. The instrument will be used

    $189 (Avg Bid)
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    9 bids

    I need someone to develop a labview vi to measure voltage from a pressure sensor and show it in a numerical indicator

    $119 (Avg Bid)
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    24 bids

    21,600 volt line with wind, solar and gas generation with grid tie

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    Short Circuit Studies for Breaking Capacity for Solar Project

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    P C B designer 3 days left

    my design requirement, Capacitive touch MCU based smart switch controller 4 layer PCB design. I will give the circuit schematics and enclosure design. we need EMI/EMC compatible PCB design.

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    i need circuit for ecigratte that heats an element based on electret mic signal. it should include acircuit for charging lipo battery back. when connected to outlet there should be a function that connects the power from outlet to heating element. i need the proteus files in 3 days

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    ...all 6 Ports Manage 5V GPIO All 6 Ports Manage LED Scroller (4’x6”) Management Auto Switch over Power Source Readings from Device Battery Status Readings of Solar Incoming Voltage Reading Power Adapter Status (Online/Offline) Device On/Off Control Device Reset we also have a 12v LEDs placed in matrix of 3 Horizontal X 5 Vertical Please consider this

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    The following is the task : Create a html page with a form requiring voltage and currect values from the user . Calculate the resistance and download all the input and calculated data in a text file . But now i have to plot a voltage vs current graph with all the values given before in the html form . Hint is to use GNUplot or anything else is also

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    built 10 or more small plastic enclosure box with off the shelf circuits wifi, battery charge controller, push on switches and battery. some soldering requiere. we will provide all the materials sent from aliexpress. We are open to suggestions for final parts. we will pay shipping to our location for the finished boxes

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    ...control schematic, code development for micro controller and its farm ware etc for a constant voltage transformer (CVT) of capacity 5kVA, 230V, 50-Hz, single phase output. The output of CVT should constant 230V, single phase, 50Hz where as the input voltage will vary from 90V to 250V, 50Hz, single phase AC..The CVT should design for continuous operation

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    L-index optimization and Voltage Deviation optimization of 30 bus system on MATLAB

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    L-index optimization and Voltage Deviation optimization of 30 bus system(MATLAB)

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    Hello Mr. Karthikeyan, We are a small software developer firm in Turkey, Gaziantep and we need a hardware design of GPS unit in which quectel mc60 and atmel (arduino ...management, 4 digital input (0-12(upto 14v) isolated with optocouplers ), 4 analog input(0-12v and 4-20ma), with integrated GPS and GSM antenna. Can you help us to design the circuit?

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    I have ...example in this video: [login to view URL] MY LOAD IS 50V 55 A so you should consider these values in designing KiCad should be used the circuit should be tested and verified before any milestone release I will consider only the bids start with BMS11 keyword that will prove you have read all the description

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    ...and the whole project complete in 10-15 days. Milestone 1 $10.00 5-15 pages. Describe the chemical and physics of the electrostatic photocopying process. Describe the voltage, frequency, current, waveform. Describe the similarities and differences between electrostatic printing, xerography, laser printing, and led laser printing. Here is a link

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    Need to add simple GPIO/I2C based peripherals(led, sensor, button, power source) around Atmgea...soldered and tested. You can find all libraries online, need to place the circuits design as it is and then build PCB. Place sperate pricing for these jobs in comment: 1. Circuit design (very easy) + PCB design 2. Component mounting and assembly + testing

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    I am looking for a logo for my new business which will be a women's only gym club called 'The Circle' There will be 3 area's to the club, incorporating a gym with a circuit, as well as a seperate studio for powerhoop which is weighted hula hoop classes & another seperate studio for bungee fitness My colour scheme will possibly be navy, grey & gold

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    Need an electronics engineer to design and simulate a circuit on-site at our office in Pune. The circuit involves approx. 10 op-amps (general inverting and non-inverting amplifiers), their calculations and related aspects. It would take approx. 4-5 hours for the same and can be started post-lunch tomorrow (Sat, 15 June).

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    Hi, 1. I want a professional engineer to design a 9V battery charging circuit with all the protection circuits (overcurrent, overvoltage, etc). 2. Kindly check the attached file(fig-1), (fig-2). I have different excitation methods for piezo resistive sensor. Which one is stable and long term stability. If you have any other ideas, kindly share it.

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    Battery Formation Charger Design 11 hours left
    VERIFIED

    Design and build a battery formation charger unit w...depicted in the attached file, that meets aprox. following features: *To attend/charge 170 to 200 motorcycle batteries; *Output current each post/terminal 12V – 8AH; *Input Voltage 220V (single phase) or 380V (three phase), both 50 Hz. Scope involves both design and manufacturing one unit.

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    There are 15-20 circuit design problems and their solutions. This is to be made into a power point slide . we want an audio recording as it it more relevant. These circuits are related to electronics.

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    ...looking for an Embedded programmer who can develop a DSP based PID Controller for a servo-motor. The PID Controller will be the heart of this project, it will some analog circuit but minor and will be provided. Data to the controller will be digital 16 bit SPI, motor feedback is 16 bits analog-level. Must know DSP and be able to write the code in C

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    I need to interface a pH probe with an ESP32. It needs to be able to read pH values and have a calibration function. The circuit should have a BNC connector for connecting with the pH probe.

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    Experience Level: Expert Hi, This is a PCB manufacturer from China, we provide one-stop service, including PCB fabrication, assemblying and so on. I'm looking for an agent in your local market, you can design, you can also earn the price difference or the brokerage, it's up to you. If you have interests to be our cooperative partner, pls contact me.

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    Viktorria, I'd like a schematic, PCB and BOM for the "Typical 3V3 Circuit" contained in the datasheet for the MAX15062 (TDFN) so that I can get a prototype PCBA assembly. I would like to see this in a design tool with a 3D modelling option. (eg KiCad - which has a regulators library extension that includes the MAX15062). The board will be used to

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    ...trees with numbers as fruit, rivers of 0s and 1s, a building that looks like a pie chart, birds with wings, a spider chart as a spider web, fractal flowers, a waterfall of circuit boards, etc. These are just suggestions. YOUR ideas and layout are key for this project. - We want the company name and logo somewhere in the design - The perspective should

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    Featured Guaranteed
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    5 entries

    Need hardware design and a prototype of a small s...application. Here are the high level specs 1. Adjustable high gain condenser microphone. WiFi support available to adjust the mic via App. 2. Standard output for the power amplifier interface. Need an experienced hardware engineer who has done similar designs. Additional info will be provided later.

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    Looking so someone who will deliver circuit designs as well as lt spice simulations. Quick turn around- 6 hours for the first task.

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    ...build this circuit optimized w/ best components choose at lowest cost and standard components & power PCB design. The idea is to get energy out from 3 three phase motor. So I will need a rectifier, but since voltage produced by motor coils is low I need to implement voltage doubler multiplier rectification concept. First tests voltage produced from

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    ... If you obtain both of them and their multiplication, you will find the voltage drop in each bus according to the change of current injected by loads to that bus. Infact, after finding those two matrices 80% of work is done. You will find voltage of each bus by updated voltage drop matrix(DLF) after a few iterations. Then the power loss will be calculated

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    I have a new project for circuit and PCB design. It uses an STM32 MCU (exact model to be decided with freelancer) with several interfaces to connectors: - I2C interface to DAC chip on the board with some complexity behind it (I have schematic design, but good to be checked upon copying) - 10 PWM pins connected to timers, 2 x ULN2003 for 8 of the outputs

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    make a circuit diagram of an equipment with motor and some sensors.

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    This might not be the best way, please tell me if you have a better idea. I want...be thrown at a PLL. please try your best to not make it drift by much. My timeline is 10 days from today. Please use realistic numbers for capacitors and such. One working circuit diagram for one of the oscillators is more than enough, if provided with good explanation.

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    ...algorithm written in C. Drive two independent brushless DC motors to desired positions using a relative encoder Monitor temperature, humidity and light Measure current and voltage of a solar panel Ability to input specific gps location specific parameters such as height off the ground, azimuth and altitude during installation Read custom solar sensor

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    Hi, This is a PCB manufacturer from China, we provide one-stop service, including PCB fabrication, assemblying and so on. I'm looking for an agent in your local market, you can design, you can also earn the price difference or the brokerage, it's up to you. If you have interests to be our cooperative partner, pls contact me.

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    The specs of the transmitter are uplo...pdf, the supplier claims the sensor to go eight meters. Please provide a compatible circuit that transmits and receives a signal. which also allows for efficiency of the sensor, Please incorporate a way to use other ultrasonic sensors as well by changing the circuit slightly and the frequency which it operates.

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    This job will include CAD/3D design, circuit design and finding parts. What it includes is you designing 3d designed glasses that have bone-conducting speakers in the sides, resting slightly behind your ears. These speakers either act as hearing aids, with a microphone (one of two only exposed parts) poking out near the hinge of the glasses, or the

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