Circuit Design projects — HireLancer archive

ID / Date Listing

HL-33142306

experienced PCB layout designer

i am looking for electronics expert to sketch simple circuit and design to PCB thanks

HL-33141516

Electrical consultant

We need SLD and circuit diagram of Fire fighting panel. We will share the BOQ.

HL-33136147

transfer function

transfer function to be used as basic to design and control the power in the circuit

HL-33135734

Need help with Siemens project

Siemens PlC TIA PORTAL need help with ladder logic design understanding schematics and programming

HL-33135572

Logic 500 program

I need someone to program some circuits using Logic 500 for an exam

HL-33131400

PCB design engineer

Need a hardware / PCB design engineer for a project To start from schematic diagram till building the pcb and hardware help

HL-33126534

I need a PCB Designer

I am looking for a freelance to help complete an ongoing project. The Schematic is almost complete but we are looking for help with the PCB layout. We are worki...

HL-33123872

Electronic Circuit Design

I just need a little help building a circuit, having a little trouble & need some advice!

HL-33123810

Review new PCB design/components for best practices & power efficiency

I have produced a new schematic and PCB design based upon components in stock, power requirements, and size. The board has a ESP32-S2 MCU, and drives a 5V 4A da...

HL-33123258

building and simulating an analog circuit in ltspice

It is a relatively simple project which requires the usage of analog components and counter to work together in ltspice

HL-33120494

Various updates to existing PCB design + review circuit design (KiCad) -- 2

Description An existing PCB design must be reviewed (schematics+PCB layout) and the physical layout of the PCB must be adjusted. See tasks below for details. Ex...

HL-33114613

Small EasyEDA Project

Need a wireless BT headphone with amplifier, battery and usb charger. Need to be able to order the boards on easyeda. Rough dimensions must be considered to fit...

HL-33112448

LED PCB Design and simple sketch (Arduino DUE)

Freelancer Requirements; 1: Must have knowledge of Arduino DUE (ARM) Hardware capabilities. 2: Must be able to code simple Arduino sketch demonstrating finished...

HL-33110528

Custom PCB/circuit design Delhi/NCR preferred, video meeting only

We need someone who can design custom PCBs and embedded systems, sensor-controller-actuator, IOT systems. Being able to program the controller and IOT skills ar...

HL-33107204

Linear Power Supply Design

Linear power supply design for up to 24 volts(depending on input voltage and linear regulator selected) and up to 6 amps or output current(series pass transisto...

HL-33106753

Pressure Sensor - Custom Signal

I'm looking for a pressure sensor 24VDC, 4-20mA. But I want to add/change the analogue so it also carries a sensor ID. It will have a 0.5 sec pause, then 0.5 se...

HL-33105692

PCB design work esp_gyroscope_oximeter circuit

PCB design will share reference schematics and bom need to find alternative components (which are not in stock) deliverables: gerber, bom, design files(editable...

HL-33105434

Design a PCB with ESP32

I need a PCB to control 12v LED strip using a slider potentiometer. The main controller needs to be ESP32 based because I need to send and receive data to a MQT...

HL-33104581

design help large capacitor bank discharge using pwm

large capacitor bank 18000uf 400v by 10 caps. need some expert answers need help in final design of discharging the capacitor bank

HL-33104506

Soldering different electronics together

I have a server i am building, the power supply is a combination of multiple power sources. I have been soldering them together but need help with this. Looking...

HL-33102613

PCB design of 1-wire, I2C, RS485 + firmware

A PCB functioning as a converter from I2C and 1-Wire to RS485, as well as the firmware for the MCU controlling this.

HL-33101985

quartus project

quartus project (7 segments )

HL-33099976

PCB Layout -- 2

We have developed a demo system using an ARDUINO MEGA2560. We now require a PCB layout of this design. Final deliverables include Circuit Diagram, Component Lis...

HL-33099159

I need programmer for 3kva inverter

3kva inverter programmer required.

HL-33098228

SGP30 Custom Circuit Board Design

Design a circuit board for a small sensor (SGP30) on a 10mm x 20mm board. The edge of the board will have 8 pads to solder pins to, spacing at 2.5mm (like a nor...

HL-33093961

W2 Update schematic redesign & more

I need a PCB schematic redesigned for a WiFi compatible microcontroller. Then a new firmware needs to created. Next I need 5 boards manufactured, programmed, &...

HL-33092551

PCB Hardware Design

PCB Design as per files provided

HL-33092511

Programmable Micro SD Card and ICCID Sim Card Experience

We are seeking a firmware software developer that know about Sim Cards and Programming Micro SD Cards.

HL-33091701

PCB Design - Current Sensors

Need to design a PCB to read 100 current sensors and send the data by wifi

HL-33091613

Smps designer

We need battery charger 48v/15A & 72v/15A together

HL-33091030

MATLAB project using radar

Hello Everyone, I am looking for a freelancer who can work on Radar and build a project using sensor and MATLAB Software. TITLE: To determine the various subsur...

HL-33089166

Checking and fixing a stm32f407vet circuit

I have a designed pcb and schematic for a stm32f407vet6. Twin can, 2 usart. Board is 2.5cm x 2.5cm but the system is not oscilating. The 25mhz oscilator shows s...

HL-33088686

Proofread a connection submission

Wiring a factory with office unit spaces and warehouses 3-phases Drawings Schematics Single line diagram

HL-33088157

Various updates to existing PCB design + review circuit design (KiCad)