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    12,660 circuit design jobs found, pricing in USD

    Be sure you understand all details. You must have ESP32 devices for testing ! At least 2 devices ESP32 !!!! NO HARDWARE DESIGN REQUIRED ! We have 3 tasks: Task 1 - - - - - - - - - - Creating a full Bluetooth network for ESP32. (Bluetooth 5.0. ...distance range is required for more than 100 meters). We will test it outdoor. Network must have at least "Coordinator" and "End node&...

    $136 (Avg Bid)
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    Design me a logo 6 days left
    VERIFIED

    Hello, Looking for a logo for my new ticketing and live events consultancy company called The Circuit Group. I have 3 reference points attached but I am open to changing that for the right design. I would ideally like something monochromatic. I need a transparent background along with a vector and PNG.

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * PROJECT DETAILS * I will pay you 10...

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * PROJECT DETAILS * I will pay you 10...

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    RF simulation 6 days left

    Simulation of an RF circuit and PCB designed in Altium. Simulate the design in ADS or similar RF simulator. Suggest improvements Re-simulate changes Generate specifications and graphs for datasheet

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    Hey everyone. I'm a developer (Andrea) and I'm starting up a YouTube channel with a friend of me (Christian). We both love Tech and we want to create something with high quality content, and we're extremely committed to achieve our goals. We will start recording in some weeks. The name of the channel would be "Get The Cookie", it's a CS pun. I already designed (poor...

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    hi Abdellah, i hope that you are well, after this weird corona crisis... i need help to understand the different parts of a circuit (frequency generator), and how to know how 2 coils were connected to produce opposite magnetic fields. i have already identified each component and drawn a schematic, i just need to know if everything seems connected correctly (initial milestone), and then maybe do so...

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    I’d like help in designing a micro circuit with rechargeable battery that, with a switch or button push, will run a small load (>0.2A, 5V) for a duration of either 4 or 8 hours. The pictures below are from an off-the-shelf product that has the desired timer functions (this one has 2, 4, and 8 hour timer options). This (pictured) circuit has an IC, resistors and capacitors but no relay. ...

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    Help with arduino uno project 5 days left
    VERIFIED

    I want to create a device like in the video. I need someone to provide a circuit diagram, parts list and the programming code for an arduino uno to be able to make it work like the video.

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    Solenoid Kicker - Arduino 5 days left
    VERIFIED

    Use of a 12V SLA Battery to charge a 450V 2700uF Capacitor with a 45V-390V ZVS Capacitor Charging Module to fire an Electromagnetic Solenoid using Arduino with a MOS Driver Module IRF520. I want to use: Arduino and use the full capacity of the Capacitor. Standard 5V relays (with Arduino) only go to 250V. Instead I have the MOS Driver. Problem is I don't know how to connect the Charger + Cap ...

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    It is necessary to develop a device based on the ESP8266 or ESP32 module, which will collect data from a water flow sensor (pulse output) and a TDS sensor (analog output), and then transfer these data to the server (MySQL, MQTT or other). In addition, it is required to transfer some additional technical parameters to the server (MAC address of the module, IP address, WIFI network name, password of...

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    We are a startup from India developing lithium based energy storage solutions for electric vehicles and passive storage applications such as solar storage and UPS. We have developed a 4-cell BMS for 12.8V LFP batteries in-house post which we would like to incorporate some additional features in the current BMS design and develop a 15-cell BMS for 48V applications based on the current design. The s...

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    We are a startup from India developing lithium based energy storage solutions for electric vehicles and passive storage applications such as solar storage and UPS. We have developed a 4-cell BMS for 12.8V LFP batteries in-house post which we would like to incorporate some additional features in the current BMS design and develop a 15-cell BMS for 48V applications based on the current design. The s...

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    I am looking for an electronic design using 'minimalistic components' to improve battery balancing. The circuit will be embedded inside the battery with not more than one communication cable between the batteries. 1. The balancing should work both series and parallel connected batteries / battery strings. 2. The battery current has built in sensors for current and voltage. 3. The ...

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    two circuits. examine operation and properties of MOS transistors and simple MOS transistor circuits( model MC14007), and Identify the MOS FET parameter λ (lambda) from the plot, Record the numerical values of ID vs. VGS., Find the transconductance parameter and the threshold voltage from this plot

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    The technology of pneumatics has gained tremendous importance in the field of workplace rationalization and automation from old-fashioned timber works and coal mines to modern machine shops and space robots. It is therefore important that technicians and engineers should have a good knowledge of pneumatic system, air operated valves and accessories. The air is compressed in an air compressor and f...

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * PROJECT DETAILS * I will pay you 10...

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    I need calculation and tuning in matlab for PID control of three-phase rectifier circuit, I provide circuit and example, pi parameters are verified in PSIM

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * THIRD CHOICE COUNTRIES * Mexico, Costa Rica, Panama, Columbia, and Venezuela. * PROJECT DETAILS * I will pay you 10 (ten) US dollars per hour to learn MicroPython on ESP32 (The ESP32 is a microcontroller simil...

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    English or Español. Be sure you understand all details. I need PCB design for Solar panel circuit (21V) to charge Litio battery (3.7V -4.2V). -PCB 2 layers in KiCAD -I'll provide PCB shape in KiCAD file -I'll provide actual PCB circuit in KiCAD file -PCB dimensions less than 90x90mm (has enough space) For now I have one circuit done in KiCAD but there is something that not wo...

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    I want a simulink model of Lithium ion battery in its basic model, thevenin model and dual polarisation model and everything must clearly explained like State of charge, Charging and discharging resistance, Open circuit voltage, etc.

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    logic gates circuit hand made with using computer and mobile app

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    I need someone with an Alipay account to buy a circuit design for me in the link below and send me the files. I cannot access an Alipay account. You need to buy them and send them to me. Your price should include the cost of the file. Bidders only from china can Apply

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. I encourage you to apply if you live in one of my first choice countries. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * THIRD CHOICE COUNTRIES * Mexico, Costa Rica, Panama, Columbia, and Venezuela. * PROJECT DETAILS * I will pay you 10 (ten) US dollars per...

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    A circuit modification to existing mid market bluetooth wireless earbuds. The modification will change state based on the if microphone input is on or only audio output is on.

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    Ayushdsdeep Ayushdsdeep Public profile Download the App Dashboard My Projects Browse Projects Browse Freelancers Browse Local Jobs Inbox Deposit Funds Get Support Log Out Copyright 2020 Freelancer Technology Pty Limited Switch Account Smart parking management system in MATLAB DETAILS BIDS MANAGEMENT PROJECT BUDGET (CAD) $ 30 - 250 AVERAGE BID (CAD) $ 159 BIDS 11 PROJECT STATUS Closed PROJECT DES...

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    You are 16-22 years old. You must live in the Western Balkans, Eastern Europe, the Russian Federation, or North Africa, or South America. I will pay you 10 (ten) US dollars per hour to learn MicroPython on ESP32 (The ESP32 is a microcontroller similar to Arduino). Yes. Really. You are not dreaming. You do *not* need any experience. I want a very intelligent man to help me create an IoT project u...

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    - URGENT - We are in need of a colourist capable of doing colour grading and colour correction for a short film. The film is 18 min long and it will be on the film festival circuit very soon. Original language of the film: SPANISH Spect. of the film: 4K ultra wide 21:9 (4096 x 1756) in V-Log 420, filmed with EVA-1 DEAD LINE: 8th of August 2020 08/08/2020 Please get in touch with us if you have ...

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    Personal project on telecommunication, Designing a Spread-FSK PLC Modem using 3 frequencies with equal frequency difference in between. Include a Transformer coupler circuit for matching the PLC and the modem.

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    An frequency tunable antenna is designed using HFSS software. Varactor diode was used for tuning during simulations. Issue in designing a tuning circuit for varactor in the fabricated antenna . Help required to decode the error with the tuning of varactor diode in the fabricated structure, especially in designing a bias network for the varactor diode implanted in the antenna.

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    I prefer that you live in the Western Balkans, Eastern Europe, or the Russian Federation. I am sorry but you must *NEITHER* live in Pakistan, nor India, nor Sri Lanka, nor Bangladesh, nor China, nor the Philippines, nor Indonesia. I have wasted too much of my time dealing with people who live in those countries. I will pay you 10 (ten) US dollars per hour to learn MicroPython on ESP32 (The ESP32...

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    Need Solution fort the following task: An USB Device is connected to a USB Host 1 permently. I need to connect to the USB Device from USB Host 2 in ordert o do some tasks.

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    Smart Power Monitoring Plug 3 days left
    VERIFIED

    The device will be self-managed to provide some ‘Edge Computing’ capability and report back to our cloud platform. The project is in two parts. The first part is a basic ‘stand-alone’ device. The second part includes all the functions of Part-1 plus additional functions as described below. Please include recommendations for MCU type and supporting reasons. Part 1 – 1...

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    Design a controller for an elevator, with the following specifications: • elevator can be called to any floor, by a button on each floor • elevator can be sent to floors by 3 buttons in the elevator • sensors (button) on each floor indicate if elevator has arrived, or is passing by • indicators on each floor and in the elevator of present elevator location (3 LEDs) • order...

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    Attached is the project brief. Looking for someone to design the circuit, PCB and firmware for an ultrasonic measuring tool. The product measures distancing using ultrasonic sensors (want to build our own circuit for this, not off the shelf components) and has quad 7 segment displays for displaying the measurements, wireless TX and RX boards for remote operation, user input via buttons etc. Th...

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    I want a CMOS circuit which can compress the input ECG data or EEG data. I need it to be implemented using cadence software.

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    Be sure you understand all details. PCB design for Solar panel 21V to charge Litio 3.7V battery. -PCB 2 layers -PCB shape will be provided in KiCAD -PCB dimensions less than 90x90mm For now I have one circuit done in KiCAD but there is something that not working properly. Now 4.2V is provided as output but when we connect the battery doesn't reach more than the battery voltage. Project ci...

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    Hi Vladimir B., I noticed your profile and saw you have a bee venom collector circuit, what might this cost and can it be scaled up to run multiple collectors at a time? Rehards Damian Srpcic

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    I will pay you to learn MicroPython on ESP32 (The ESP32 is a microcontroller similar to Arduino). Yes. Really. You are not dreaming. You do *not* need any experience. I want a very intelligent man to help me create an IoT project using MicroPython on ESP32. You and I will text chat (*not* video chat) for one hour each night, Sunday, Monday, Tuesday, Wednesday and Thursday between 5pm and 10pm (GM...

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    Rlc logical system and best logic electrical circuit diagram or technician work for best quality and best solution

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    I was convicted of mail Fraud in 2003 following a plea agreement. I was ordered to pay restitution at sentencing. The Plea did not specify restitution amount. At sentencing the Probation Officer determined Restitution on the basis of my "relevant conduct" in the amount of $1.2 million from "Declaration of Losses" sent to her privately by victims. I challenged this as not reliab...

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    Arduino PT1 1 day left

    I am looking for the code and an Arduino nano that supports 2 x A4988 Stepper Motor controllers to provide positive and negative rotation controll to 2 Nema 17 Stepper motors using the Arduino joystick. The code must allow for the click/button function of the joystick to control 3 pre-defined speeds of the motors (slow/medium/fast). I require Arduino Nano code + a breadboard diagram of the circuit...

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    I will pay you to learn MicroPython on ESP32 (The ESP32 is a microcontroller similar to Arduino). Yes. Really. You are not dreaming. You do *not* need any experience. I want a very intelligent man to help me create an IoT project using MicroPython on ESP32. You and I will text chat (*not* video chat) for one hour each night, Sunday, Monday, Tuesday, Wednesday and Thursday between 5pm and 10pm (GM...

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    help ammend Gerber Eagle file 18 hours left
    VERIFIED

    I have a gerber eagle circuit card file which I have about 6 terminals I need to change numbering as well as modify the frame descriptions on 20 sheets. Need someone with good Eagle experience to help

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    I will pay you to learn MicroPython on ESP32 (The ESP32 is a microcontroller similar to Arduino). Yes. Really. You are not dreaming. You do *not* need any experience. I want a very intelligent man to help me create an IoT project using MicroPython on ESP32. You and I will text chat (*not* video chat) for one hour each night, Sunday, Monday, Tuesday, Wednesday and Thursday between 5pm and 10pm (GM...

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    Design me a tattoo 6 hours left
    VERIFIED

    I would like a tree of life in circuit board format, with my daughters name encrypted at the root. I love technologies and futuristics things. And prefer fine-line designs. Attached the circuit board I like and others design with fine-line.

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    I will pay you to learn MicroPython on ESP32 (The ESP32 is a microcontroller similar to Arduino). Yes. Really. You are not dreaming. You do *not* need any experience. I want a very intelligent man to help me create an IoT project using MicroPython on ESP32. You and I will text chat (*not* video chat) for one hour each night, Sunday, Monday, Tuesday, Wednesday and Thursday between 5pm and 10pm (GM...

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    Solar water and air heater -- 2 2 hours left
    VERIFIED

    I need help to construct a controller unit for a solar air heater with ability to set and control the temperature with circulation pump and air fan. The circuit should run on 12 v. ESP 8266 or, Arduino or other suitable micro controller. Code and complete circuit to be delivered.

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    Hi Joshua M., my boss loves your circuit board design you made for a challenge. We would like to hire you to do a logo design with that circuit board, 3D Letters, + custom icon of our product. Looking forward to hearing from you.

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    Design an electronic circuit to transform an Analog negative signal to a positive Pulses signal. See the documents attached the signal is a train of negative pulses between -9V and -24V with some noise around -9V. Our goal is to remove the DC component from it and reverse the negative pulses to positive ones, the ideal result signal will be a train of pulses from 0V (the noise around 0 must ...

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