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    12,912 circuit design needed công việc được tìm thấy, giá USD
    Electronic circuit design Đã kết thúc left

    Thiết kế mạch nguyên lý và vẽ mạch bằng altium

    $26 (Avg Bid)
    $26 Giá đặt trung bình
    3 lượt đặt giá

    No Indians. No Pakistanis. You do *not* need to have a microcontroller (Arduino or ESP32). I estimate you will receive approximately 180 US dollars/month for working approximately 20 hours/month. ✻ PAYMENT METHOD ✻ I will pay you daily. This almost eliminates the risk that you will be unpaid. You will normally work 1 hour/day for 10 US dollars/hour. However, I presume Freelancer will pay you ...

    $9 / hr (Avg Bid)
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    15 lượt đặt giá

    I am trying to develop a simple prototype which will hopefully go into production once I have proof of concept achieved. - I want to integrate a solar powered cell charger, an optical sensor and a logic circuit linked to a SIM900 or SIM800C device . When the optical beam is broken it will trigger the SIM900 to send an sms message.

    $500 (Avg Bid)
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    Someone with good command over Multisim/Proteus is required to rectify a TENS simulation ckt based on h bridge and boost converter. Since its a medical device, so human body limitations should be highly considered. Only serious candidates should apply who are able provide quality results. Candidates from Pakistan will be preferred.

    $25 (Avg Bid)
    $25 Giá đặt trung bình
    4 lượt đặt giá

    BLE Device Presence Detector with arduino uno Microcontroller and raspberry Pi My project is to controlling home appliances with arduino and raspberry Pi. In this project I'm using arduino and raspberry pi separately. Aim & objectives of the project: In this project, I’m trying to control various electronic home/office appliances based on presence or absence of users/clients. The u...

    $234 (Avg Bid)
    $234 Giá đặt trung bình
    6 lượt đặt giá

    PCB (printed circuit Board) expert for multiple jobs. Details will be shared.

    $20 - $169
    Niêm phong
    $20 - $169
    58 lượt đặt giá
    Kicad PCB routing 5 ngày left

    Hello, I have kicad schematic completed and PCB routed. There are some changes now in schematic and PCB needs to be updated. I have some new connectors, dip switch is changed from DIN6 to DIN7, there is one extra op amp with filtering and protecion circuit. Your job will be to assign footprints to components and to route PCB. It should be quick job for experienced freelancer.

    $48 (Avg Bid)
    $48 Giá đặt trung bình
    20 lượt đặt giá

    Hello 3D Freelancer designers, We need a 3D model of a case for a humidity sensor alike to XIAOMI humidity sensor, which will further send to manufacturer it. We will provide will the main components on STEP files those components will put in the case, like PCBs, Batteries, This model should have a: - Holes for nuts - Racks for PCBs - Channel to insert batteries - Encloses - In add...

    $10 (Avg Bid)
    Được đảm bảo
    $10
    6 bài tham dự

    UPDATE: I just uploaded a new rough draft version with a full set of 7 days data (I copy and pasted 24 hrs data 7 times... since I have only been collecting data for 2 days now but eventually it will be in 7 day batches). This project is really simple excel coding... once you figure it out you just need to replicate it a bunch... the data sheet will have over 10,000 rows. HOWEVER, please look at...

    $112 (Avg Bid)
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    14 lượt đặt giá

    hello all, We are a Canadian company that requires a freelancer to design our product according to our specifications. What is required... You will look at our concept and further improve on it with our guidance. You will be required to complete the job in one month! You will be responsible for the CAD design of the circuit, pcb and finished product. We need someone who has a strong knowledge ...

    $354 (Avg Bid)
    $354 Giá đặt trung bình
    48 lượt đặt giá

    ✻ IMPORTANT POINT ✻ You do *not* need to have a microcontroller (Arduino or ESP32). ✻ PAY ✻ I will pay you daily. This almost eliminates the risk that you will be unpaid. You will normally work 1 hour/day for 10 US dollars/hour. ✻ EXCLUDED COUNTRIES: HIGH COST OF LIVING ✻ I am sorry but you must *not* live in any of the following expensive countries. Countries with an obviously high cost of l...

    $10 / hr (Avg Bid)
    $10 / hr Giá đặt trung bình
    10 lượt đặt giá
    Build a Web App 4 ngày left

    I want to build a web app for apartment buildings, closed circuit developments, etc where you can authorize the entrance of a guest via QR code and it shows up in the device of the security guard that allows them in.

    $709 (Avg Bid)
    $709 Giá đặt trung bình
    22 lượt đặt giá

    need someone who has experienced in electrical circuit analysis

    $121 (Avg Bid)
    $121 Giá đặt trung bình
    5 lượt đặt giá

    ✻ IMPORTANT POINT ✻ You do *not* need to have a microcontroller (Arduino or ESP32). ✻ PAY ✻ I will pay you daily. You will normally work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly eliminates the risk that you will be unpaid. ✻ EXCLUDED COUNTRIES ✻ I am sorry but you must *not* live in any of the following countries… Countries with a ...

    $9 / hr (Avg Bid)
    $9 / hr Giá đặt trung bình
    11 lượt đặt giá

    Circuit designed and built using Arduino NANO and i2C LCD. Code 90% written. Requires tuning of ADC incputs to show greater resolution. Also requires change in use of bar/psi units with addition of switch. Full specification document available once freelancer is selected. Must be proficient in NANO's and ADC use. Proficient in English and previous projecte experience.

    $21 (Avg Bid)
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    13 lượt đặt giá

    Improve an existing GPS tracker by improving it's form factor while incorporating new features and design requirements. The project also includes the manufacturing of a working prototype of the designed PCB

    $70 (Avg Bid)
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    2 lượt đặt giá

    Hi, Looking for a PCB/Circuit Designer who is able to review, comment on and improve the design of an electronic product. The product works on PoE with a limitation not exceeding 60W power budget at maximum operation. 1- The review should be done using a computer software (Proteus or equivalent) showing the power flow under different scenarios. Stress testing should also be checked. 2- The comme...

    $125 (Avg Bid)
    NDA
    $125 Giá đặt trung bình
    12 lượt đặt giá

    ✻ IMPORTANT POINT ✻ You do *not* need to have a microcontroller (Arduino or ESP32). ✻ PAY ✻ I will pay you daily. You will normally work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly eliminates the risk that you will be unpaid. ✻ EXCLUDED COUNTRIES ✻ I am sorry but you must *not* live in any of the following countries… Countries with a ...

    $9 / hr (Avg Bid)
    $9 / hr Giá đặt trung bình
    10 lượt đặt giá
    BUILD A DC-DC Booter 3 ngày left
    ĐÃ XÁC THỰC

    Looking for someone to design and build a DC-DC Booster. the task will involve, At the moment i am considering using the LT 3757 Chip 1. Design the circuit and provide an explanation for the design in a report 2. Simulate the design in LT Spice and explain the readings in form of a report 3. Offer guidance where necessary for hardware implementation

    $41 (Avg Bid)
    $41 Giá đặt trung bình
    8 lượt đặt giá
    Build A solar charge Controller 3 ngày left
    ĐÃ XÁC THỰC

    Looking for someone to design and build a solar charge controller. the task will involve, At the moment i am considering using the LT 3656 Chip 1. Design the circuit and provide an explanation for the design in a report 2. Simulate the design in LT Spice and explain the readings in form of a report 3. Offer guidance where necessary for hardware implementation

    $155 (Avg Bid)
    $155 Giá đặt trung bình
    13 lượt đặt giá

    Design and tested circuit based on: [đăng nhập để xem URL] In A very small footprint only 36*34

    $514 (Avg Bid)
    $514 Giá đặt trung bình
    21 lượt đặt giá

    I am looking for electrical engineer to help with RF transmit and receiver with stm32 + RF chip (SI4432 or another chip) I will share detail via interview. I prefer Altium designer for PCB design Thank you.

    $182 (Avg Bid)
    $182 Giá đặt trung bình
    12 lượt đặt giá

    ✻ IMPORTANT POINT ✻ You do *not* need to have a microcontroller (Arduino or ESP32). ✻ PAY ✻ I will pay you daily. You will normally work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly eliminates the risk that you will be unpaid. ✻ EXCLUDED COUNTRIES ✻ I am sorry but you must *not* live in any of the following countries… Countries with a ...

    $9 / hr (Avg Bid)
    $9 / hr Giá đặt trung bình
    12 lượt đặt giá

    I need new design of Pcb with one fast charging USB port

    $27 (Avg Bid)
    $27 Giá đặt trung bình
    1 lượt đặt giá

    * TWO IMPORTANT POINTS * 1. You do *not* need to have a microcontroller (Arduino or ESP32). 2. You do *not* need to spend one of your bids to bid on this project. * PAY * I will pay you daily. You will work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly eliminates the risk that you will be unpaid. * EXCLUDED COUNTRIES * I am sorry but you must ...

    $16 / hr (Avg Bid)
    $16 / hr Giá đặt trung bình
    6 lượt đặt giá

    * IMPORTANT POINT * You do *not* need to have a microcontroller (Arduino or ESP32). * PAY * I will pay you daily. You will work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly eliminates the risk that you will be unpaid. * EXCLUDED COUNTRIES * I am sorry but you must *not* live in any of the following countries… Countries with a high co...

    $10 / hr (Avg Bid)
    $10 / hr Giá đặt trung bình
    18 lượt đặt giá

    I need a qualified industrial controls or electrical engineer to tell me the right way to do this. I don't need detailed drawings or renderings or anything, just a specification of the correct off-the-shelf parts that I can order and hand to an electrician to wire together. I have a large (750 L) saltwater aquarium heated with an inline heater in the water circulation system. The heater'...

    $138 (Avg Bid)
    $138 Giá đặt trung bình
    27 lượt đặt giá

    ✻ TWO IMPORTANT POINTS ✻ 1. If I were to invite you to bid on this project then you would *not* need to spend one of your bids to bid on this project. 2. You do *not* need to have a microcontroller: neither an Arduino nor an ESP32. ✻ PAY ✻ I will pay you daily. You will need to be available to work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly e...

    $10 / hr (Avg Bid)
    $10 / hr Giá đặt trung bình
    2 lượt đặt giá

    * TWO IMPORTANT POINTS * 1. You do *not* need to spend one of your bids to bid on this project. 2. You do *not* need to have a microcontroller (Arduino or ESP32). * PAY * I will pay you daily. You will work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly eliminates the risk that you will be unpaid. * EXCLUDED COUNTRIES * I am sorry but you must ...

    $10 / hr (Avg Bid)
    $10 / hr Giá đặt trung bình
    15 lượt đặt giá

    A 99W solar enabled powerbank with wireless charge capability. I have had the circuit design done by a freelancer and would like to now complete PCB designs for the components that can be made into PCBs. Please message me for details and the circuit design.

    $609 (Avg Bid)
    $609 Giá đặt trung bình
    28 lượt đặt giá
    power system protection 1 ngày left
    ĐÃ XÁC THỰC

    1. Analyze unbalanced power systems using symmetrical components. 2. Calculate fault currents using symmetrical components. 3. Describe the philosophy and the principles behind power system protection. 4. Set primary protection and back-up protection using directional and non-directional inverse time over current relays. 5. Select CT and VT and calculate their performance. 6. Select fuses and re-c...

    $26 (Avg Bid)
    $26 Giá đặt trung bình
    7 lượt đặt giá

    The project is to develop a key detector using arduino uno with the features of GPS tracking and Bluetooth tacker. So for this project I need to develop a hardware with all this components. The GPS location of the key need to be notified in phone application and the Bluetooth tracker need to active the buzzer to alert if the key is in 10 m distance . The design of the project is ready and the comp...

    $29 (Avg Bid)
    $29 Giá đặt trung bình
    8 lượt đặt giá

    We need a Bluetooth communication circuit as per our requirement. your work is to design the Circuit with our required specification.

    $19 / hr (Avg Bid)
    $19 / hr Giá đặt trung bình
    19 lượt đặt giá

    * TWO IMPORTANT POINTS * 1. You do *not* need to spend one of your bids to bid on this project. 2. You do *not* need to have a microcontroller (Arduino or ESP32). * EXCLUDED COUNTRIES * I am sorry but you must *not* live in any of the following countries… Countries with a high cost of living such as Italy, USA, Japan, Australia, etc. Algeria Bangladesh Bulgaria China Croatia Egypt India ...

    $9 / hr (Avg Bid)
    $9 / hr Giá đặt trung bình
    5 lượt đặt giá

    I design the normal circuit in pcb layout and design format.

    $15 (Avg Bid)
    $15 Giá đặt trung bình
    8 lượt đặt giá

    I need the circuit, the videos of the circuits and and simulations along with a report. The project needs to be done using pspice 17.2 or 17.4 older versions cannot be used. Thank you. and I need the project in 24 hours.

    $139 (Avg Bid)
    $139 Giá đặt trung bình
    13 lượt đặt giá

    I want a circuit that can control fan speed and for which fan at low speed should not make a buzzing sound. It should be same as current triac based fan regulators.

    $84 (Avg Bid)
    $84 Giá đặt trung bình
    13 lượt đặt giá
    PCB Design Altium circuit maker Đã kết thúc left

    I need you to design a not very complex PCB on Altium Circuit Maker You must be experienced with Arduino, ESP8266EX and TOF sensor or any other efficient distance measuring sensor Basically what I need is a board based on the esp8266 chip, hooked to a distance measuring sensor with some very simple minor additions like basic switch etc I’ll send you the esp8266 documentation and step by st...

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    25 lượt đặt giá

    Need help on designing circuits and simulate the results

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    10 lượt đặt giá

    Need a TENS (Transcutaneous Electro Neural Simulation) ANALOG curcuit design along with a functional SPICE simulation model. Specifications as indicated below. 1. Input - 3.7V Li-ion battery giving a steady voltage of 3/3.3V 2. Output - Symmetric Biphasic rectangular wave with Pulse frequency 100 pps and Pulse width 100 microseconds Variable current output 0-60mA current (Step size - 10mA) in ...

    $112 (Avg Bid)
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    4 lượt đặt giá
    Electrical Đã kết thúc left

    Circuit course assignment, online solving in 2 hours.

    $27 (Avg Bid)
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    I need someone who can design an LPF for a DAC and test results using Distortion Analyzer

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    8 lượt đặt giá
    pcb layout desinger Đã kết thúc left

    Project specification draft: - Design a Printed Circuit Board of a device to be used for early detection of defective bearings on conveyor belts on a mining site in harsh environment. - Find the components needed for this project. Use LoRa for communication between the devices. You will need to interface with a vibration sensor, a temperature sensor and a humidity sensor.

    $16 (Avg Bid)
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    16 lượt đặt giá

    Hi there. We need some professional Electronics Design Suggestion for or project which is an IoT Device having ARM SoM. Basically we made our 1st version of prototype. It works but have some issues. We are about to design our 2nd version of prototype so wanted to have some suggestion related with the below things: - ARM SoM (Quad-Core) and custom PCB Design (future task) - High efficiency&...

    $861 (Avg Bid)
    $861 Giá đặt trung bình
    4 lượt đặt giá

    * TWO IMPORTANT POINTS * 1. You do *not* need to spend one of your bids to bid on this project. 2. You do *not* need to have a microcontroller (Arduino or ESP32). * PAY * I will pay you daily. You will work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly eliminates the risk that you will be unpaid. * EXPERIENCE * You do *not* need any experience....

    $26 / hr (Avg Bid)
    $26 / hr Giá đặt trung bình
    6 lượt đặt giá

    Design and test a digital (Arduino based) output light sensor capable to adapt and erase the ambient light. You will prove its functionality by showing an output value of zero (or close) when the sensor is exposed to an arbitrary constant light source i.e. ambient light. The design must then show a variable output when exposed to a generated fast frequency light source, in addition to the ambient ...

    $53 (Avg Bid)
    $53 Giá đặt trung bình
    4 lượt đặt giá

    * TWO IMPORTANT POINTS * 1. You do *not* need to spend one of your bids to bid on this project. 2. You do *not* need to have a microcontroller (Arduino or ESP32). * PAY * I will pay you daily. You will work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly eliminates the risk that you will be unpaid. * EXPERIENCE * You do *not* need any experience....

    $10 / hr (Avg Bid)
    $10 / hr Giá đặt trung bình
    9 lượt đặt giá

    * THREE IMPORTANT POINTS * 1. You do *not* need to spend one of your bids to bid on this project. 2. You do *not* need to have a microcontroller (Arduino or ESP32). 3. You will help me build a consumer IoT product. * PAY * I will pay you daily. You will work 1 hour/day for 10 US dollars/hour. Being paid daily is a big advantage for you because it nearly eliminates the risk that you will be unpai...

    $50 / hr (Avg Bid)
    $50 / hr Giá đặt trung bình
    1 lượt đặt giá