Analog Electronics projects — HireLancer archive

ID / Date Listing

Portable Multimodal Analyzer PCB Design

We are developing a portable, handheld research instrument that combines two measurement modalities in a single pen-form device: 1. ELECTRICAL IMPEDANCE SPECTRO...

HL-40480505

Portable Multimodal Analyzer PCB Design

We are developing a portable, handheld research instrument that combines two measurement modalities in a single pen-form device: 1. ELECTRICAL IMPEDANCE SPECTRO...

HL-40471129

LED Driver Circuit Design - 26/05/2026 15:41 EDT

Constant Current LED Driver Circuit. Requirements: - The circuit should have an input voltage of 10-60 VDC. -Output LED string voltage 2-52 VDC - It should prov...

HL-40464475

LED Driver Circuit Design

I need a constant current LED driver circuit designed. Requirements: - The circuit should be powered by 48-60 VDC. - It should provide a current range of 200 mA...

HL-40457482

EMI-Free ESP32 Sensor Interface Board

My press machine sits in a very noisy electrical environment—motors, relays, and plenty of EMI that keeps corrupting the signal coming from a PNP sensor. The se...

HL-40445560

Custom PCB for Energy Monitoring

I'm looking for a skilled PCB designer to create a custom board for an energy monitoring application. The PCB will be used to monitor grid electricity and will...

HL-40440984

Experto en circuito eléctrico

Tengo entre cuatro y seis ejercicios universitarios de teoría de circuitos que deben resolverse íntegramente en Multisim antes de que termine el día. Alcance •...

HL-40440608

Ejercicios Multisim $70 Hoy

Tengo entre cuatro y seis ejercicios universitarios de teoría de circuitos que deben resolverse íntegramente en Multisim antes de que termine el día. Alcance •...

HL-40438192

Biomedical Embedded PCB Layout

I need an experienced PCB designer for a compact wearable biomedical sensing device intended for chest-mounted physiological monitoring. The board should be bas...

HL-40431179

Single-Layer PCB Design for Radio Prototyping

I'm seeking an experienced PCB designer to create a single-layer circuit board for a radio prototype. The PCB will include sensors, power management units, and...

HL-40430200

DSP-Based 3kW Sine Wave Inverter Design

I'm seeking an experienced power electronics engineer or inverter design firm to create a high-quality, DSP-based, low-frequency, pure sine wave inverter PCB fo...

HL-40427106

Radio Circuit Design with ESP32 and TMC5160T

I'm looking for an experienced circuit designer to create a circuit using ESP32 and TMC5160T. The circuit should support motor control, sensor integration, and...

HL-40422886

Multilayer PCB Replication

I need an experienced PCB designer to replicate a multilayer consumer electronics board based on existing schematics. The board is used in a radio device and in...

HL-40418958

Electrolysis Circuit for Silver Electroplating

I'm seeking an experienced engineer to design and create a circuit and board specifically for electrolysis to be used in electroplating silver onto metal surfac...

HL-40414005

CMOS Hybrid Adder Architecture Analysis

This project centres on a high-speed hybrid full adder implemented in pure CMOS. The heart of the work is architectural: I need to see how different logic style...

HL-40409392

Op-Amp Temperature Sensing Circuit Design

I would like to explain my project . The project is about designing a temperature sensing circuit using an operational amplifier (Op-Amp) without using any micr...

HL-40401841

DC-DC SMPS Design

Required a SMPS with control circuit 24v upto 10amp Condition When input signal A(4.7v dc) is active output voltage is 18v, when input signal B(4.7v dc)is activ...

HL-40401006

OrCAD Single-Ended Audio Amplifier

Design an audio amplifier that meets the following specifications: (a) the amplitude of the input signal V_{ip} is in the order of µV (column A); (b) the output...

HL-40390002

Indoor Industrial Measurement Device

I am looking for an experienced hardware design engineer to develop a production-grade industrial controller PCB based on the ESP32-S3. This is not a hobby proj...

HL-40372197

Build a Calibrated Magnetic Field Coil for Lab Use

Project Description I’m looking for an experienced electronics or instrumentation engineer to design and build a small calibration coil system that generates a...

HL-40365053

Analog PCB Design for Audio Amplifiers

I'm seeking a skilled PCB designer to create an analog printed circuit board for a simple audio amplifier. Key Requirements: - Design and layout for an analog P...

HL-40360407

Cadence spice Timing Interpretation

Need help for two questions cadence spice simulation budget 30$ plz check the attachment

HL-40359693

Pond Ionizer Circuit Board Development

I need a compact circuit board designed to function like a pond ionizer, primarily to control algae growth. Requirements: - Input: 24V AC or DC - Output: 12V DC...

HL-40348180

Custom PCB Design for LED Array

I need a PCB designed for a custom rectangular LED array using through-hole LEDs. The array will contain between 60 LED's. With 2 power inputs. On power being a...

HL-40342214

LoRa RF Switch Schematic Review and PCB layout

I have a dual-band RF switch already drafted in Altium that lets one shared antenna handle both 433 MHz (primary) and 470 MHz LoRaWAN links. Before moving on to...

HL-40341211

Team specializing in PCBs and software

We are looking for a high-level Electronic Engineer to take over and complete a Pipe Inspection Robot project. System Architecture: Robot Unit: 4x 24V Drive Mot...

HL-40334012

Analog Electronics Educational Lab project

I want a freelancer to do a project for an Analog Electronics Lab. I need it by the 1st of April.

HL-40314226

Precision Strain Gauge Amplifier PCB Design

Hi, I need help designing a precision strain gauge amplifier PCB for a pedal force sensor (PFS) project. Please read the requirements carefully. Project Overvie...

HL-40312497

EquiPulse Wearable Design Package

I’m building EquiPulse, a soft, low-profile band that sits snugly on a horse and records veterinary-grade ECG around the clock while also collecting IMU and tem...

HL-40311977

Recreate Analog Schematic in KiCad

I have finished the digital side of my board in KiCad and exported the full Gerber set. What I still need is the analog section turned back into a clear, editab...

HL-40309816

Arduino-based electrical stimulation system troubleshooting & repair London

Description: I am looking for an experienced electronics / Arduino developer to help troubleshoot and repair an existing Arduino-based electrical stimulation sy...

HL-40290761

XMOS MEMS Mic Array PCB

I need a compact 2-4 channel analog MEMS microphone array built around an XMOS processor. The board must perform real-time beamforming, echo-cancellation and no...

HL-40290372

12V Power Supply Design

I need a custom power supply designed specifically for consumer electronics, with a focus on automation systems. The power supply must output 12V. Key requireme...

HL-40282791

Isolated Voltage Measurement Circuit Design

I have an Arduino-based board that is powered from its own DC rail, yet it has to monitor several other DC lines whose grounds are completely separate. Right no...

HL-40278356

ESP32 Educational Robotics PCB

**Project Title:** ESP32 Based Educational Robotics PCB Design **Project Description:** I am looking for an experienced PCB designer to design an educational ro...

HL-40276272

Austin Mixed-Signal Circuit Design

I’m developing a compact data-acquisition module and need a local electronics engineer in Austin who can take the mixed-signal front-end from concept to ready-t...

HL-40275007

need to work on Power BI to automate

Step1: Downloaded file to be saved in a folder /replace it(Skill Pending). Step2: Open a new excel file. Step 3: Load from the downloaded File>> New Excel file>...

HL-40265683

Electronics Circuit Design, Development, PCB Designing and Prototyping

I need a skilled electronics circuit designer specializing in power electronics. The project involves designing a power supply for a phone charging system using...

HL-40265452

Power Supply Circuit Design

I need a skilled electronics circuit designer specializing in power electronics. The project involves designing a power supply for a phone charging system using...

HL-40257533

Wearable Device Power PCB Design

I need a power PCB designed specifically for a consumer-grade wearable device. The PCB must incorporate battery management functionalities to ensure efficient p...