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    10,911 circuit design trabalhos encontrados, preços em USD

    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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    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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    Application Mobile 5 dias left
    VERIFICADO

    Application Mobile pour Marathon : - Présentation est information du marathon. - Parcours et circuit du marathon en photo est vidéo . - Inscription en choix de package et payement. - Résultats - Galerie photo et vidéo . - Boutique pour les article du marathon (t-shirt;Trochpet;souveunir du merzouga ;....) - inviter amis et partage. - Localisation

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    ...developer firm in Turkey, Gaziantep and we need a hardware design of GPS unit in which quectel mc60 and atmel (arduino ide compatible) or stm32 series microcontrollers (arduino compatible uc's more preferred) will be used. We are 3 software developers and have little knowledge about PCB design, only designed small projects for our IOT projects. That's

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    I have 12s21P battery rig I need to design a BMS that do the following The requirements for control are split into two main sections: 1. Requirements for the charging state: a) Control the charging process b) Avoid overcharging any cell c) Balance the cells during the charge state d) Check the battery temperature 2. Requirements for the discharging

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    Need to add simple GPIO/I2C based peripherals(led, sensor, button...to add. And one sample to be 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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    Nous souhaitons un logo qui représente un circuit informatique en forme de ville, avec des circuits qui ressemblent à des bâtiments et qui soient tous placés autour du nom de l'entreprise. Certains des bâtiments peuvent représenter des ordinateurs Mac stylisés, des souris d'ordinateur ou des claviers. Nous préférerions ...

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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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    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 H...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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    We are looking for a sketch or drawing we can use to create an illustration for the header and background of our web page. At this stage, we are just looking for the overall design of the drawing, and in the next project we will hire an illustrator to do the final creation with colors. The final illustration will be pixel/voxel art style. The look

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    LT Spice and electronics expert 2 dias left
    VERIFICADO

    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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    Hi there freelancers engineers and electronics experts. I need a simple task to help me 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

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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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    circuit board 1 dia left

    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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    Hi, This is a PCB manufac...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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    13 ofertas

    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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    ...map out the framing of the walls/floors/roof based on that. Key details: - Low slope roof design with parapets - Plumbing will need all drains and vents, plumbing circuit clearly laid out to code (may require a hot water recirculation system) - HVAC design will need vents laid out to code, including furnace inside of garage and heat exchanger on the

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    I have designed a battery management system only the last feature left it is short circuit protection there is an example of what I want to do in this video: [fazer login para ver a URL] min 4:45 I want to use the same logic to design short circuit protection my load is 50 V 50 A Also, I need a small consultation SEE ATTACHMENTS

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    It is an electronic voice circuit that outputs up to 10 watts using 384n lm

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    ...represents an alternative solution used in wireless charger. The low yield of this system can be improved by strongly coupled circuits. The use of capacitor to create a resonant circuit increases the power transferred from a coil to another. In our study, we realize a coupled device and verify the improvement of the energy transfer. Then, we measure the different

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    i want 20 watt led driver with led of 24 serial and 4 parallal or 90v output and 240 mA output

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    Hi, I will have some guidance in understanding my electronic circuit and come up with a program in python to fix the problem

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    We are looking for design that will be used for manufacture of electrical enclosure. We wish to house an inverter, lithium battery and electrical isolators and circuit breakers required. Intention is to use design to get case laser cut and folded with seams welded. Enclosure will need to be IP65 and would prefer to either have double door setup for

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    I will need help to understand my circuit and write down the program in python

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    Capacitive Water Level Sensor Design (Capacitive to Voltage) Capacitive Probe is Ready for Connection 24V DC Line Powered 3.7V Lipo Battery Backup and Charge System from Line MC60 GSM and GNSS Module + SMT32F105 (Capacitive Voltage , Temperature and Coordinates come to MCU) HTTPS JSON Communication with Azure Based Cloud MicroSim Card MicroSD for

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    Intunebodies Encerrado left

    Two girls Hoping to open a Pilates and circuit training studio, which promotes a healthy life and keeping bodies in tune. We want our logo to represent us In the following ways: - stylish -athletic -pastel colours - silhouettes -clean lines -“intunebodies” -unique -outdoor/beachy

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    ...the following: • Transmission lines o Voltage Level o Circuit Configuration o Conductor Combination • Transmission towers o Voltage Level o Circuit Configuration o Conductor Combination b. 3D Icon • Representation of Transmission lines must be designed considering: o Voltage level o Circuit configuration o Conductor combination • Icon of Transmiss...

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    ...provide full electrical engineering and circuitry solution, Printed Circuit Board Assembly design through the fully compliant and working prototypes with all related components to validate compliance to product modality requirements. Project components in the electrical circuit include and not limited to RGB/RGBW LED lights, Lithium Ion/Polymer or

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    ...need to measure our target. To put it in other words, flowchart looks like this: 1. Measure voltage/current with INA219 + resistance (I can add transistors or relays into circuit if needed for all 3 measurements) 2. Turn off measurement and apply voltage with MCP4725 based on the previous input measurements from INA219 3. After X amount of time, temporarily

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    The main controller U1 writes a file (hex) to the microSD (fat32 SDHC) and issues a signal to the controller U...displayed. There is a similar project [fazer login para ver a URL] Additional support for STK500 v2 is required. Checking the performance of the circuit and the program is performed by reading test programs.

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    electronic music recorder based on tape (cassette) + firmware dev battery li-ion + USB C IMPORTANT only FRENCH GERMAN AND USA offers do not apply if you are not from these country

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    I have a built up circuit that sends data of misuse for a smart trash-bin through SMS's from twilio account... and now it doesn't send messages.. need help

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    In this study, an IGBT based voltage source converter has been used to design the compensator. The voltage source converter used is a capacitor fed two level inverter. Reference compensator currents have been estimated using control algorithm based on instantaneous reactive power theory, also known as PQ theory. In order to generate switching pulses

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    o Basic electrical and electronic circuit concepts, circuit elements, and Kirchhoff's laws o Resistive circuits, node and mesh analysis, equivalent circuits, superposition principle o Circuits Energy storage, capacitors, inductors, and circuits containing energy storage elements o Analysis of circuits with (ideal) operational amplifier o Circuits

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    Building analog synth circuits; documents designs provided VCF Saw wave Phaser Delay Oscillator Preferably based in around Delhi, India or in India.

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    i am looking for someone who can guide me on these topics • Basic electrical and electronic circuit concepts, circuit elements, and Kirchhoff’s laws • Resistive circuits, node and mesh analysis, equivalent circuits, superposition principle • Circuits Energy storage, capacitors, inductors, and circuits containing energy storage elements • Analysis

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    I'm looking for firmware engineer who has experience in Proteus simulation. Simulation circuit involves PIC18F4550, 16x2 LCD, virtual serial terminal, LED, switches. You can find details from this link [fazer login para ver a URL]!Aok2Eb2AQnFmqSu0aHb_xs6P9YlL Deliverables will be firmware source code, proteus simulation files, testing video Please bid after

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    AC voltage divider Encerrado left

    i am retired and need a circuit to split an ac voltage source into 10% and 90% so i can use a voltmeter that is rated at 0-300 ac volts to read up to 600 volts, to just move the decimal point one place to the left. the source is 480 + ac volts and could be 60 amps.

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    ...electronic circuit powered by a small battery (i.e. CR3032) witch powers two timers. One should start, when the power button of the circuit is pressed and give an ongoing signal, when 30 days are over. The other timer should react on a passing hand (like ir-reflection on a water faucet) and give a short beep after 30seconds. The whole circuit should use

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    I have designed a battery management system only the last feature left it is short circuit protection there is an example of what I want to do in this video: [fazer login para ver a URL] min 4:45 I want to use the same logic to design short circuit protection my load is 50 V 50 A Also, I need a small consultation SEE ATTACHMENTS

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    Li ion BMS design Encerrado left

    I have designed a battery management system only the last feature left it is short circuit protection there is an example of what I want to do in this video: [fazer login para ver a URL] min 4:45 I want to use the same logic to design short circuit protection my load is 50 V 50 A Also, I need a small consultation SEE ATTACHMENTS

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    3 ofertas