Circuit Design projects — HireLancer archive

ID / Date Listing

PCB Design

Single-layer PCB design needed. JPG schematic diagram of PCB will be provided by us. You have to make PCB design in Altium Software and provide us. PCB is not C...

HL-34006871

Design a PCB using KiCAD

Make a PCB using KiCAD with * ESP32-WROVER-E-N4R8 * SHT41 * TCS34103M * Power supply through micro USB - design a step-down converter yourself All parts used mu...

HL-34004621

PCB Compliance Test

I require a PCB compliance test. test will determine if PCB is capable of passing EMC/EMI compliance tests and all relevant tests relating to CE mark and FCC st...

HL-34003125

Electrical Engineer

We are seeking an experienced electrical engineer to join our team! You will participate as a team member in the technical development of schematic, design deve...

HL-34002049

RGB Circuit Design - PIC10F202 / OFF-ON mode and color cycle with saved state

I have a simple circuit that is a battery operated rgb color switcher that runs on a PIC10F202; When the button is pressed, the single RGB LED changes to the ne...

HL-33997503

Build me a circuit diagram

I need a circuit diagram consisting all the necessary transistors and logic gates , to provide power to a gps, a bluetooth, a small speaker , all powered by a s...

HL-33993861

fire fighter telephone system

I need experts to have good experience in power line communication to build firefighter telephone system by using addressable node

HL-33990916

Advanced analog and digital electronics

LTspice simulation questions, message me immediately if you are an expert in this software

HL-33990891

GNSS receiver with TCXO or OCXO

This is the glymse of the project: This project uses multi-frequency and multi-constellation Global Navigation Satellite System (GNSS) receivers to receive and...

HL-33987160

Tinkercad Circuits Simulation

Need help on a basic tinkercad simulation. High school level difficulty ( should only take 15-20 mins) We need to use a power supply, multimeter, small breadboa...

HL-33986805

Someone who knows about HM10 BLE module to upgrade Firmware

I have HM10 module but its not accepting some AT commands. Need to be done remotely through Anydesk

HL-33985460

PCB Compliance review -- 2

Pre compliance analysis needed of 2 fairly simple pcbs. tests should mainly focus on EMI/EMC compliance and LDO directives.

HL-33985421

Pre Compliance analysis

Pre compliance analysis of 2 x PCBs. The review must include critical analysis in reference to EMI/EMC and low voltage directives with the intention for the PCB...

HL-33984956

Frequency meter

The project is to read frequency from a magnetic sensor and display the reading on a stepper motor and oled display and design the PCB board.

HL-33984093

I need power electrical engineering expert

power electrical engineering expert need having good knowledge about power system engineering

HL-33981986

(First read the attached file before placing the bid) Electrical Engineer needed

please first read the attached file and place bid if you are sure to solve 100 percent perfect. Quote your actual budget. only expert no middle man and outsourc...

HL-33980913

Electrical Draughtsman/woman

Complete electrical schematics using AutoCAD Electrical Designing control panels (including layouts), schematics, and creation of associated documentation inclu...

HL-33980755

PCB validation + testing (STM32F401 + SIM868)

Hi, We have designed a PCB around the STM32F401 + SIM868E. This PCB has been designed in Altium and has some connection issues which needs to be resolved. So in...

HL-33978360

Advanced analog and digital electronics questions -- 2

LTspice simulation questions, message me immediately if you are an expert in this software

HL-33977649

creación de placa pcb

crear una placa pcb para la soldadura de componentes

HL-33977663

basic PCB design for my device.

I want basic and pcb design which can be used for all devices. containing essential components like microcontroller oscillator power module etc.

HL-33977333

Looking for an electrical Engineer

We are working on a somewhat stealth electric car charging company and need assistance from a EE experienced in PCB design, high voltage, high amperage, and mor...

HL-33977400

Pcb board bring up linux/phython programming

PLEASE READ BEFORE BIDDING. 1. we have all winner custom design board need to bring up 2. we have bootloader 3. we have firmware package we want to install 4. w...

HL-33974754

Diseño electrico

hola, necesito una cotización para hacer los siguientes artículos para un edificio. 1- red eléctrica de media tensión 2. red electrica de baja tension 3. utilid...

HL-33974171

Design custom esp32cam pcb

I need a custom gerber file (compatible with jlpcb.com) of esp32cam for a round ⌀32mm board. You can only remove card reader. All pins arround the board like th...

HL-33974075

Compare 2 different datasheets of ADC chip, pin by pin

I have 2 different data sheets for 2 different adc chips. I need to see what conflicts could arise if I changed my design to use the other. Currently, using AD7...

HL-33974044

Pcb design

Schematic Design | PCB Design | Product Design, IoT developer, PCB Designer, Embedded programmer, circuit developer, Hardware Engineer

HL-33973580

EasyEDA Expert

I am looking for easyeda expert who is able to work on PPD team.The candidate must know how to design circuit and choose in-stock components from LCSC. If know...

HL-33973502

Ultrasound PCB design, manufacturing, assembly, firmware, testing, app(optional)

Development of Ultrasound PCB Need the generator to work around 1.7Mhz freq. with 8 outputs Need that the PCB with impedance matching circuit(to the transducer...

HL-33971552

Electrical Power Engineer need for a small task

I Need Electrical Power Engineer who cam solve a ac grid problem related to symmetrical / unsymmetrical impedances its a simple task so quote your final budget...

HL-33965846

Fully differential OTA design in cadence

a university project using cadence and 65nm process

HL-33964852

Hardware Creation MDB Vending Machines

We would need to create a hardware to sit on a raspberry pi or an arduino and connect to vending machines control boards. We would like to read data from the ve...

HL-33959554

Low Voltage Engineer needed for consulting, design, and stamp

We have a low voltage project that requires expert advice and consulting on. Plus design and stamp for approval with cUL and UL

HL-33959485

Advanced analog and digital electronics questions

Examination of analog and digital device models for analysis, design, and simulation of transistor level electronic circuits, emphasizing Metal Oxide Silicon Fi...

HL-33958441

Industrial RS485 transceiver design

We need a RS485 to TTL transceiver including design, testing, SMT design, gerber production.

HL-33957388

PCB layouts

Schematic and layout for a simple pcb

HL-33956493

Design and develop GPS Tracking and monitoring board with ESP32-WROOM-32UE

The PCB board needs to cover followed: 1. Board supply from 8-36V 2. Three analog inputs to measure volts from 0-36V (ESP32 ADC) 3. Three analog inputs to measu...

HL-33954314

Split rail supply PNP transistor getting hot

I am using split rail supply using attached circuit. Total current draw is nearly 100ma at 24v input. Current situation is PNP transistor getting hot. So if cur...

HL-33952314

4-20mA to 0.3-3.3V circuit

Looking for a simple circuit to read 3v3 level on adc without opamp.

HL-33951636

Realizar tarea de electronica 1

Necesito realizar una tarea de electronica 1 para entregar este viernes.A continuación se adjunta el archivo donde se indica realizar el diseño de dos fuentes d...