Circuit Design projects — HireLancer archive

ID / Date Listing

Basic inverter circuit from HVDC to LVAC

Convert 2200vdc to 480vac use all the components with maximum amps capacity so 1 single circuit can be used for multiple application

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PCB circuito electronico

Necesito hacer una placa con unos conectores para enviarla a propotipar. Es muy pequeña debe de tener 15 o 20 elementos

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electronics expert

i want an expert in electronics programming. more details in chat

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PCB modification

I'm developing a smart bracelet without screen and I need someone to modify a few things with the existing PCB we have made (button location/new vibrating motor...

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EMI EMC CONSULTANT REQUIRED

We need proper guidelines and support to overcome EMI/EMC test

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PCB Designing Eagle Software- Urgent Requirement

Hello, we are team of developing the products in the electronics field. we are in line up to develop various products under the roof. my current requirement is...

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Looking for Electronic board repair Professional -- 2

I have network boards to repair. I have to ship them and you have to repair them. Specific discussions will be privately. Price per one board is 180~200USD Than...

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Looking for Electronic board repair Professional

I have network boards to repair. I have to ship them and you have to repair them. Specific discussions will be privately. Thanks.

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I need an existing schematic/pcb converted to a different board shape.

This project is a small form factor BLDC Electronic Speed Controller with field oriented capabilities. I have the new defined board size in fusion360 (.fbrd) an...

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Altium expert for long term relationship

I have many Altium projects need to be done, I need an Altium expert working with me on a long-term basis. Recently, I have one project which need to design PCB...

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Build EMC compliant ADC Dual Channel circuit with 100MSPS

Electronics project, EMI/EMC compliant high accuracy ADC circuit including parts selection, schematic creation and PCB routing, need gerber files and schematics...

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Need board repair for network

We have the network boards with 8 ports. Each port is controlled by an onboard CPU and associated memory. Out of 8 ports, some ports are bad. It could be bad CP...

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Need board circuit repair for network

We have a network board with 8 ports. Each port is controlled by an onboard CPU and associated memory. Out of 8 ports, some ports are bad. It could be bad CPU,...

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1. Develop OTG Adapter 2. Develop BLE With Sensors

Develop OTG Adapter + BLE Project is to develop an OTG adapter. with separate BLE functions. The OTG adapter is the BLE power source. 1. Develop OTG adapter wit...

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Amplifier project

I made amplifier driver board

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LED matrix display

This project is a simulation that involving a microcontroller, preferably a pic16f88 and implicitly a max7219 and with at least 2 or 3 8x8 led matrix. I need to...

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rf energy harvest low cost

my requirement is wifi energy harvest..circuit and design procedure..

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Circuit diagram and components

Drawing a circuit diagram and identifying components of a Vacuum cleaner from photos.

HL-32527024

develop I/O modbus card

Develop a I/O Modbus Card with 8 PNP optoisolated DC input (0-30V) 8 OUT PNP transistor 4 analog input 0-10V 2 analog OUT 0-10V- Power suplly 24VDC. Request dia...

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Design Single phase rectifier battery group 230 VAC/ 24VDC -- 2

PS: Please dont try to make bargain after give me offer. Just offer what you want. I will not work people who will try to bargain to get higher. I need Single p...

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24 volt frequency driver

Hi I require help to design and if possible to produce a working prototype of the frequency driver. Operating voltage 24 volt DC and the design based around 2 t...

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Design pcb

Design pcb board with micro controller like Arduino with Bluetooth module can use it to turn on and of cars through bluetooth

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PCB DESIGNER

Designing pcb as per layout given

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Design a simple circuit with an Arduino and a pMOS to control a 12V circuit.

Is anyone particularly well versed in logic level pMOS power switching from an Arduino, I'm really struggling to find a FET to suit my needs and get a set up th...

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Japanese Vending Machine VCCS Protocol

We want to create a custom controller which can communicate with Japanese Vending Machine VCCS Protocol. However, we need some expertise on how the protocol wor...

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37009_Cadence expert needed -- 2

Topology for the CMOS ROIC have to be designed.We have to employ GMI (Gate Modulated Input) topology for the system design. HgCdTe photodiodes along with circui...

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Design a PCB to convert input signals of +/-12V for the analog input pins of the Arduino Nano

Design a small PCB to convert input signals of +/-12V for the analog input pins of the Arduino Nano. Signal inputs: - Vin1, -12 V to +12V (

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DIY analog synthesizer

Please design a synth that functions like the one seen here https://hackaday.com/2021/12/10/diy-analog-synth-looks-like-fun/ I dont have the know-how to design...

HL-32507492

Design a small electrical circuit for a garden solar light

Hello, I need a electrical engineer for a project for my solar powered garden lamp. A small solar panel, a circuit that turns the light on in the night, everyth...

HL-32507126

From Eagle to Altium (PCB design)

Hello, everybody. I need switch from eagle to altium project. There are some changes like removed components and pcb size. Please check attached files. Thanks,

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3phase metering (IOT)

Objective is to build the system which can monitor 3ϕ power supply and deliver required power to load. The proposed system is based on STM32 controller for comp...

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Circuit diagram

Explain block diagram clearly And explain the flowchart

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Design of a PCB

This is a simple project that needs to be completed on Altium. I need a PCB with two connectors on two rigid PCBs connected by a ribbon or flex PCB. The final a...

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I need a PCB layout designer

120 x 200 cm PC board 4 layers, multiplexer, A/D converter and USB interface

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PCB Design eagle

I am looking for a PCB Designer that can do 5 different PCBs with the same layout (20x20mm, 1-2 layers and a few components) I will provide the basic informatio...

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STM 32F Project

Main Board Project (STM32F) 3digit 7 segment = for Pressure Display 3digit 7 segment = for voltage monitering ADC for pressure sensor =2 One metal Temperature S...

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Pcb design with st micro chips

I would like to hire a consultant to help with a pcb layout design using specific st micro parts.

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Looking for PCB designer

I am going to develop a smart bicycle lock which RFID to unlock. For the bicycle lock I am looking for someone who could design PCB. Please let me know !

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build a circuit on power world software, calculation and report.

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Circuit and PCB Card design - For Arduino Project

We require a circuit design along with PCB card design for manufacturing purposes. The Circuit should incorporate the following: 1. Arduino Mega 2560 could be d...