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    4,512 current voltage jobs fundet, i prisklassen EUR

    The schematic and PCB design of a DC/DC converter, preferably a SEPIC, that converts the variable voltage of the CIGS solar panel (335….360W and voltage at Pmpp 56.8 …. 60V) to 4 outputs of 42V 2A (constant current), which are used to charge e-bike batteries of 36V nom. Available power must be shared between the 4 outputs. Solar panel: [log ind for at se URL]

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    ...greatly increase the likelihood that the circuit meets all specifications. Provide an audio signal that is a function of the light level. Here, a 555 timer is to be used as a voltage controlled oscillator (VCO) that will generate a tone at a frequency of 500 Hz (+/-20%) at zero light level and 1500 Hz at full light (0 volts applied to motor). A small speaker

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    * A printer in service mode feeds paper continuously. * We need to stop/start that paper feed process entirely independently of the printer electronics by interrupting and re-connecting the power. * Functions Needed - Independent control of 2 states, feed and pause, in 0.1 second increments. For example, 5.5 seconds feed, 20.2 seconds pause. - Two feed profiles... * Continuous rep...

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    ...already exists , just needs completion. The devices shall be capable of: -tDCS -tACS -tRNS -tES -tPCS -DBS -tVS -tMS -any low current (below 100mA) stimulation The values to be compiled are -Name -Manufacturer -Max voltage -Max current -Number of channels -Resolution -Output waveform -Frequency of output -Built in test functions -Regulatory compliance

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    embedded trolley ID electronics 20 timer left
    VERIFICERET

    ...electronic system which be used to identify the trolley connected to a truck . The truck and the trolley are connected through a 1 wire power line of 12 to 24 V( where peak voltage can reach upto 48V) . this power line is used to send the signal to the brake light . I want to install a transmitter in the trolley and a receiver in the truck head . The

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    Design a DC/DC Converter with Multiple Output. The freela...Output. The freelancer must design a DC/DC converter from specs until the gerber files to production. There are two SKUs to be done: 1) One with low voltage output: 3.3, 5, 9 2) One with higher voltage output: 12, 15, 18, 24 I will provide PCB dimensions as well as help in the project itself.

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    Design a DC/DC Converter with Multiple Output. The freela...Output. The freelancer must design a DC/DC converter from specs until the gerber files to production. There are two SKUs to be done: 1) One with low voltage output: 3.3, 5, 9 2) One with higher voltage output: 12, 15, 18, 24 I will provide PCB dimensions as well as help in the project itself.

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    ...nRF52840 · A chip responsible to charge the battery if a USB cable is plugged in (battery charger, Microchip MCP73832T) and a power management chip to transform battery voltage into 3V (Microchip MCP1810) · A flash memory of 256 MBytes, maybe the Micron MT29F2G01ABAGDWB The goal of the project is to program nordic and TI chip. TI chip is

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    ...class-AB complementary output stage to drive a 25 Ω earphone speaker using discreet transistors. Ensure maximum output compliance using a max +6 V supply rail and a minimum total voltage gain of 20. The amplifier is to be driven by a mobile phone so input impedance must > 32 Ω to avoid damaging its audio output port. Long tail pair transistors: Small Signal

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    We are looking for someone to update our application UI and create a mockup using our current content but making it a lot better.

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    Give the output power and the terminal voltage of the machine and give me the dimension and show me how to calculated the dimension

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    Project for So S. Udløbet left

    ...specifications. Students working in a group of two will also need to provide an audio signal that is a function of the light level. Here, a CMOS 555 timer is to be used as a voltage controlled oscillator (VCO) that will generate a tone at a frequency of 500 Hz (+/-20%) at zero light level and 1500 Hz at full light (0 volts applied to motor). A small speaker

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    ...specifications. Students working in a group of two will also need to provide an audio signal that is a function of the light level. Here, a CMOS 555 timer is to be used as a voltage controlled oscillator (VCO) that will generate a tone at a frequency of 500 Hz (+/-20%) at zero light level and 1500 Hz at full light (0 volts applied to motor). A small speaker

    €18 / hr (Avg Bid)
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    1 bud

    I essentially want to take my current website ([log ind for at se URL]) and duplicate it but using a different template (I used a drag and drop template and it has caused some problems). I will not be duplicating the entire site, only portions. I was hoping to get a cleaner site that also is optimized for SEO (Whatever you can do in that regard, please let me

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    ...provide more details as needed. But I am trying to create two PCBs. an input/output PCB and an adapter PCB - the outputs have certain requirements to allow up to certain voltage and amps via appropriate transistors the inputs to allow inputs for digital IO detection w up to 12v 15milliamps with protection against EMF etc due to presence near electrical

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    We require an experienced Electronics Engineer to review a voltage divider and opamp buffer interface to a data acquisition unit. This also includes a simple voltage boost inverter. Happy to just discuss the circuit design on [Removed by Freelancer.com Admin - See Section 13 of Terms and Conditions]. Sample attached.

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    ...(Multi-objective PSO or multi-objective Ant lion optimization) It is the multi-objective problems: Objective 1: investment benefit Objective 2: voltage stability index Objective 3: power loss Constraints: 1: voltage limit (0.95< V<1.05) 2: power balance (equation 7,8 in paper 1) 3: line constraint (equation 9) 4: power supply and power consumption (equation

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    ...in a low-cost and efficient testing solution. While the first two testing techniques are efficient at targeting early signs of PCB degradation (damaged pins, under or over voltage scenarios, faulty resistors, capacitators and so on) the debugging features of the Arduino UNO Rev3 allow us to set breakpoints and step through the Solar Tracker implemented

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    Hi I need to make simulink on hydrogen production in the process of electrolysis (using...output how the simulink be done is ok. but need to have hydrogen, electrolyser and renewable energy and get the graph from simulink For example, the temperature, the current value, the voltage value, the hydrogen And also the power I need both. Solar and wind..

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    main idea of work is Capacitor charge in lower part of a sinus voltage. I need an idea of how to charge a capacitor when the voltage is in decay on a sinus voltage wave form (only the positive side). I have attached an image, see the blue part of this image when voltage reaches its positive peak and starts decaying to zero. I need to conserve that

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    Idea!! Capacitor charge in lower part of a sinus voltage Hello! I need an idea of how to charge a capacitor when a the voltage is in decay on a sinus voltage wave form ( only the positive side). The blue part of the image. I need to conserve that energy somewhere, look at the blue side of the image. I can't do it in a capacitor. It is produced by magnet

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    Design and construct a Digital Frequency Meter System capable of measuring the frequency if input sinusoidal signals for the range 0-500kHz, with a resolution of 0.1Hz, and voltage levels 0-3.1Vpk-pk. The frequency of the input sinusoidal signal must be displayed on the Diligent Coolrunner-II CPLD board. I have included the files required to construct

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    Company Logo Udløbet left

    Genasys is a new company specializing in low voltage systems; Network, phone, audiovisual, security systems, etc. I’ve attached a rough sketch but I’m very open to changes. I’m no artist, please take all the liberties you require. If you believe something entirely different would be more suiting please do so.

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    ...phone could play it on its audio output channel (speaker / headphone) Report back an ADC value for the glucose monitor even though it won't be used Report back battery voltage as read from the TI battery controller Has an interface to send data chunks from the app to the BLE module such that Configuration registers in any of the sensors

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    i want to have one 10 kHz frequency transformer and on...have one 10 kHz frequency transformer and one 100 kHz transformer. total two transformer input voltage 100- 300 Volt, output volt 50 v-100 v Turn ratio around 2:1 maximum power 600 W, input will be trapezoidal , triangular current waveform, maximum rms current will be around 20 A. normally 10 A.

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    I seeking to get the voltage vs power relationship of a thermoelectric generator as well as efficiency and power density relationship.

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    I need someone to analyze and write about an existing result about common mode voltage in three phase neutral point clamp Inverter for induction motor. I will send the result for the chosen bidder.

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    Create a PCB that monitors the voltage of max of 8 batteries which include a demo video to show real operation. And provide PCB for test on the real batteries and to acquire feedback for further expansion and support in developing manufacturing files.

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    Project is an analysis of the negative effect of fault inception angle (Angle of the voltage at the moment and location of the fault) on the fault loop impedance phasors (Impedance measured at beginning of the transmission line to locate fault)

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    Need to revamp our website to make It appear cutting edge. We specialize in low voltage security work and want Give the feeling of “cutting edge” technology. Our current website is [log ind for at se URL]

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    I'm looking for a LabVIEW 2017 program that controls a Lakeshore 336 temperature controller and an Agilent 4192A impe...temperature is measured on port "D" and controlled via loop "1" -The temperature ramp rate is 10 K/min -The VI should be able to operate heating or cooling -The oscillation voltage of the Agilent test signal should be user-definable.

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    control rellay Udløbet left

    i want transmitter and receiver at ac voltage 220v that control relay like this circuit but with good result when connect the transmitter to electricity line the receiver is go on

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    i need to control relay over ac voltage 220v

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    ...design required for a laboratory testing, we need to make an arrangement which we need to record the Below details at Regular Intervals Time, Current, Voltage, Temperature Maximum Voltage - 12v Maximum Current - 10 A Temperature Range - 0-180 Degree Celcius we need a freelancer to find the circuit to data log the above The logged data should be able

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    PCB design for simple circuit of measuring current draw on 230V 50Hz and changing colour of RGB light on different current threshold points Please see the attached PDF and feel free to ask any questions

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    I want to detect a certain range of CO and LP gas but i...of CO and LP gas but it is in ppm. But the problem i do not know what is the equivalent value since sensor detects in voltage (0-5 V). i need some conversion for it. for example i need 35ppm of CO, how do i know what is the voltage that is equivalent (between 0-5 V) that is equivalent to 35ppm

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    ...(throttle regulation) problem is injectors are 12v and I need to control voltage per cycle and duration of it to vary fuel delivery to engine. board, Arduino nano in short -fuel delivery control for 4 injector -injectors from min5v up to 12v (fully open) and control of injection time (voltage vs time) -termistor/temperature sensor to condition when it should

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    1. BPCL – (Jobner & Patna sites) RIM Seal Fire Detection system 2. HPCL - RIM Seal Fire Detection system 3. CPCL – (Manali & CBR sites) RIM Seal Fire Detection system 4. GSL (Goa Shipyard Ltd.) Fire Detection system 1) Piramal Sunteck – FAS System 2) Bhatia Hospital, Mumbai - FAS & PAS System 3) Hindustan SPG and WVG Mill LTD., Karad - FAS System 4) Thermo Fisher Scie...

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    Voltage and current sensing for 240v AC based on arduino or similar Due to the complexity of the project and a lot of items could change due to the input of the electronics designer timeframe is flexible

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    Hi Rubel S., I noticed your profile and w... I noticed your profile and would like to offer you my project. We can discuss any details over chat. Improve the simulation design of 12 bit DAC converter interms of Voltage current and speed the design will be provided upon request. Also you have to explain what changes you have made to improve the result.

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    ...(throttle regulation) problem is injectors are 12v and I need to control voltage per cycle and duration of it to vary fuel delivery to engine. board, Arduino nano in short -fuel delivery control for 4 injector -injectors from min5v up to 12v (fully open) and control of injection time (voltage vs time) -termistor/temperature sensor to condition when it should

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    Half Wave Rectifier Udløbet left

    ...Measure Average Rectified and Filtered DC voltage using a DMM. • Measure Average Rectified and Filtered Half Wave Signal using an Oscilloscope Theory: • The diode will conduct current on the positive cycle and block current on the negative cycle creating a half sine wave across VRL. The capacitor can store the voltage on the negative cycle depending on th...

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    build a phasor calculator in simulink to display voltage current and [log ind for at se URL] should have input filter,ADC block,DFT,sequence analyzer and display voltage current pf lag or lead

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    the design will be provided upon request. Also you have to explain what changes you have made to improve the result.

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    I need a Programmer for Static Voltage Stabilizer I want to control AC voltages using PWM technique details are provided in PDF attached file. please check the details I provide in PDF. please only bid if you have experience in this field.

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    Need SMPS Design Udløbet left

    We need SMPS design for 3Phase/1Phase Input Voltage range : 100V to 270V AC Frequency: 45Hz to 65Hz Power 3KW/7KW OUTPUT Voltage 48V to 56V DC Low Form Factor, Higher efficiency.

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    ...project involving detection of black ice using an infrared light and a photodiode connected to a micro controller and from the output of the photodiode which is in a form of voltage we can differentiate and warn the driver of black ice and we also can’t use arduino, need a micro controller similar to atmega8 something along those lines. We need a complete

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