Circuit Design projects — HireLancer archive

ID / Date Listing

2 PCB designs with full embedded coding

Hello, We need to design and code two PCB as the following: 1- The 1st one with the following components: - AVR [ATMEGA32], QTY:1 - ESP8266 [Wifi] serial TTL, Q...

HL-34166464

Hardware engineer with some experience in battery management

I am looking for a hardware engineer who has got some experience in battery management. The charging curve can be handled mostly in software, but some experienc...

HL-34165356

Need am expert on orCad Pspice

HL-34163656

Machine control with TFT touch screen 12"

12" capacitive touch screen Panel consist of three circuits interface with industrial grade capacitive touch screen 2. MCU Mainboard will communicate with scree...

HL-34163516

Design hardware of active cell balancer using soc and soh (Hardware for cell Balancing using MOSFET)

50% of work is done already, a major focus in MOSFET or IGBT charging and discharging topology need the guidance of an expert to build an active cell balancer u...

HL-34162031

FEMM - Helping us to design a Woofer Motor

Hello, we are looking for someone to help us customize the woofer motor to meet our needs. Please only people with a lot of experience when it comes to loudspea...

HL-34161716

Induction hot plate PCB

Need to design/modify a PCB that takes 110Vac 60Hz input, and runs a 1200-1500W induction hot plate. Power needs to be controlled using either a potentiometer o...

HL-34157537

I need someone to forward me orders from Mouser and Digikey -- 2

I need someone to forward me orders from Mouser and Digikey. Preferred is someone from EU country. I have several orders monthly and your job will be to forward...

HL-34157484

Looking for a professional electrical engineer

Looking for someone to review the current schematic for handheld pulse generating and it is powered from a 3.7V Li-ion battery. This will be a good opportunity...

HL-34155561

PCB Design Update

Redesign of a existing passive design human presence detector switch to operate a 12VDC/3W/0.5A fan with rotation failure alarm and 12VDC power source. Basic Co...

HL-34153094

Simple Circuit Design - Electrical Engineering

I need help to design a simple circuit to be sent to have a prototype board made. Requirements 12v 500mA power supply Needs to power a esp8266 board and 2 x 12v...

HL-34150691

PCB designer

Kami mau mencari, yg ahli dalam mendesign pcb double layer, mulai dari penempatan komponen, print solder, reflow oven, sampai finishing

HL-34147578

Schematic for thermolysis hair removal device

Looking for someone with experience in electrolysis/thermolysis. I am looking for schematics for an app controlled device (esp/ble)

HL-34147495

Simulation

Vlsi project implementation of IIR FILTER

HL-34146669

Tiny EEG wireless board

I want someone who can design EEG schematic based on ads1299 4 ch and can deliver fully assembled pcb which can transmit data over Bluetooth. The PCB needs to a...

HL-34145610

Electronic for incubator

Hello everyone, The project is a simple incubator for bee-queens, no eggturning motor or something like this ?. Needed is - a dht22-sensor - three relays for °...

HL-34144757

Generar señal inductiva partiendo de un pulso digital

Hola, deseo generar una señal inductiva , esta señal sera comandada por una señal cuadrada Necesito el tipo de transformador a usar o bobina, adjunto imagen de...

HL-34143608

Design and build a wireless ultrasonic distance sensor that feeds to an app

I am looking for someone to build me an ultrasonic distance sensor that is wireless. This needs to feed to an app to determine is an item is present or not. The...

HL-34142344

Circuit analysis

I need this circuit analysis tutoring task to do. Plz only experts

HL-34141866

Sai Systems PCB3

I need single layer through holes PCB designer form JPG Schematic

HL-34140628

Need a Sound Engineer

Designing an outdoor beer garden to include a Stage for small concerts and events as well as distributed sound for regular music, we have 3d renders of the spac...

HL-34139902

Need help with arduino portenta device

Im trying to design a handheld device that would help me diagnose failed components. A quadrature encoder and a SSI linear positioning transducer. I have most o...

HL-34138213

Calculation of current monitor circuit components

I have the attached schematic to have a reading of current and short circuit. The operational U6 reads current from 0 to 4A and gives a voltage variable from 0...

HL-34137918

need a PCB desiner

hello i have a Kicad file. i want some changes in this PCB design. it is little changes only 30min

HL-34137152

Smallest Induction

I need at circuit schema for the smallest Induction possible with the lowest voltage and ampere.

HL-34131625

Complete a wifi/sms modem and reporting system

I have a part designed PCB and firmware and I need the job completing urgently, as the last designer was Ukrainian and has dropped out of contact as their town...

HL-34131532

Designing Antenna PCB for RFID UHF ETSI

For a new product we are looking for someone with experience in designing HF antenna for detection of RFID tags. Antenna has a specified housing dimension and m...

HL-34128297

PCB redesign -- 2

I currently have 3 PCB boards that I use as part of DIY battery pack that I would like to have redesigned to: 1. Allow maximum current possible to run safely th...

HL-34127803

Provide Gerber, BOM and CPL files for Water Detection Circuit

I require a circuit that detects the presence of water when 2 probe wires are submerged. The dimensions of the circuit board should be 54.5mm x 21.5mm The circu...

HL-34121564

PCB Project

I would like some help with PCB design.

HL-34120687

Proteus simulation for 555 IC and LM393 IC

I want simulation of the circuitry containing LM555 and LM393 IC. Budget 30$ fixed See the attachment

HL-34120191

Supervisor de voltaje para 3 fases

Descripción y funcionamiento supervisor de fases Debe ser diseñado preferiblemente en proteus con la menor cantidad de componentes posibles y un tamaño aprox de...

HL-34115573

Breakout board for DRV10974 (Breadboard, SMD, Layout)

I need breakout boards for DRV10974 by TI, it should fit standard 2.54mm breadboard. Filter capacitors should be included on the PCB. Power input, and motor out...

HL-34113232

find someone pcb and firmware designer

i need someone who can help me pcb and firmware design.

HL-34106879

Current limiting circuit

Hi, need someone to assist me with a DC 48v current limiting circuit.

HL-34106881

Current limiting circuit -- 2

Hi, need someone to assist me with a DC 48v current limiting circuit.

HL-34105628

Issues with Transformer

Currently having issues with a transformer. Needs to be checked if ok or broken. Also create schematic of it.

HL-34100276

Redesign PCB

Looking to find someone who can redesign a simple PCB board. The PCB is used to take inputs (manually or electronically) and trigger an event. There is CR2 batt...

HL-34100156

Pcb allwinner 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-34099668

Desarrollo de un prototipo para toma de muestras de temperatura en camiones. // Development of a prototype for temperature sampling in trucks.

Busco desarrollar un prototipo electronico para tomar muestras de temperatura en camiones que transportan mazorcas de maiz. Ideal poder registrarlo en tiempo re...