Electronics projects — HireLancer archive

ID / Date Listing

165 V DC-DC Converter Design

I need an engineer to take my concept for a high-voltage DC-DC converter and translate it into a complete, build-ready design that slots straight into a renewab...

HL-40212135

Node-RED Modbus Gateway Setup on IOT 2040

I have a Siemens IOT2040 already running Node-RED and two flow-meters that expose their readings over Modbus registers. I need a clean flow that polls those two...

HL-40211934

Design and build a 741 operational amplifier.

Peace be upon you. I want a complete explanation of the operational amplifier circuit, with practical implementation from scratch using transistors, and buildin...

HL-40211784

Differential Op-Amp Implementation Guide

Peace be upon you. I want someone to explain to me this operational amplifier circuit, which is the op-amp 741. I want a person who can explain it to me fully a...

HL-40211164

Système domotique embarqué sans fil

Je souhaite développer un système embarqué destiné à l’automatisation domestique. L’objectif est de concevoir une carte compacte capable de dialoguer, via des m...

HL-40211146

Custom 11” AMOLED E-Reader

I’m putting together a dedicated, distraction-free reading device and need a hardware specialist who can take it from concept to working prototype. The display...

HL-40210978

Experienced Technical Writer for STEM Bluetooth Speaker Kit Documentation (Electronics Focus) -- 2

We are seeking an experienced technical writer with a solid background in electronics to update and improve the instructional documentation for our DIY Bluetoot...

HL-40210207

MATLAB Modelling for EV Dual-Charging System

I need to reproduce every technical element of a published study on an Electric Vehicle dual-charging system inside MATLAB/Simulink. That means rebuilding the p...

HL-40210699

ESP Device Detection System

The goal is straightforward: as soon as an ESP device is present—whether connected over Wi-Fi or broadcasting in monitor mode could be spotted in hidden places

HL-40210680

Yaskawa GP7 Tending Setup

I have a Yaskawa GP7 running on a YRC1000 controller, paired with an OnRobot RG2-FT gripper and a Mitsubishi M70 CNC mill. I’m ready to move from concept to a f...

HL-40210710

Adaptar PELTOR X2 con ANC (Cancelación de Ruido Activa)

Necesito integrar cancelación de ruido activa (ANC) en mis protectores auditivos 3M PELTOR X2, pensados para un entorno industrial. El objetivo es que el nivel...

HL-40210510

OTA Dual-Bank STM32 Update System

ATLANTIS OTA UPDATE SYSTEM – DEV PROMPT (WIFI TEST FIRMWARE) Objective Implement a production-grade OTA firmware update system for Atlantis controllers that is...

HL-40209900

Robotics Development Board Design

I'm looking for an experienced hardware engineer to design an educational robotics board based on the ESP-WROOM-32. This board is intended for prototyping and d...

HL-40209550

Fusion PCB & Case Design

For my current university project I have to build a compact PCB whose only job is to collect data from several temperature sensors and route those readings to t...

HL-40209570

micro:bit Ventilator & Licht Anleitung -- 2

Ich möchte mit dem „BBC micro:bit mit Kitronik Inventor’s Kit“ zwei kleine Experimente umsetzen und suche dafür eine komplette Dokumentation in Video-Form: 1. A...

HL-40209183

VLSI, PCB & Coding Tutor

I’m arranging a series of one-hour classes that blend hardware design (VLSI and PCB) with software development in Python and Java. My students sit at an interme...

HL-40209119

Modern Analog Watch Design

I'm seeking a creative watch designer to develop a modern-style analog watch. The primary material for the watch should be stainless steel. Key Requirements: -...

HL-40208791

Unified Embedded Sensor Firmware

I have several separate Arduino-based projects combined into one bigger project. The firmware is roughly put together, but needs properly finished. The project...

HL-40208371

Integración RFID y Switches STM32

Necesito ayuda puntual para afinar un proyecto existente sobre ARM STM32. El hardware ya cuenta con: • Protocolo de comunicación binario implementado • Dos tira...

HL-40208066

PCB Design for ESP32 Monitoring System

I need a PCB designed to replace our current modular setup for a monitoring system based on the ESP32. The PCB will need to incorporate the following: Essential...

HL-40207774

Commercial Fire Alarm System

I need a professional to provide a fire alarm system plan for a commercial building. The plan must be stamped and certified by a PE or Electrical Engineer. Key...

HL-40207523

Detect Unwanted Radio Signals

I'm seeking an expert to identify and prove the frequency band and source of an unwarranted radio signal in my home. I suspect it might be coming from a radio t...

HL-40207372

creating a schematic in Kicad or Eagle for a schematic taken from a photo

I'd like to create a schematic and PCB layout that I can use to print from a photo I have. The layout is based on an ATmega and an ESP32, along with a servo con...

HL-40207261

Optimize Mission-Critical Control Boards

I maintain a fleet of mission-critical electronic control boards that must run flawlessly around the clock. Although the hardware is operational, I want to sque...

HL-40207174

Zephyr MCUboot Migration for nRF52

My Zephyr-based firmware for the Seeed XIAO nRF52840 is still using the factory Adafruit bootloader. I’m ready to move to MCUboot so I can sign images, enable r...

HL-40206542

IGBT Welding Inverter Firmware

I have a production-ready, IGBT full-bridge welding inverter that already powers both TIG and MMA processes, yet the embedded side still needs a final expert pa...

HL-40205811

Isolated 5V-to-12V Relay Driver

I’m putting together a small interface that lets a 5 V logic line drive a 12 V DC mechanical relay while keeping the control electronics completely isolated fro...

HL-40205621

Wearable Exoskeleton PCB Design using STM32F767ZIT6 IC

I’m building a wearable exoskeleton and need a dedicated PCB that brings all core electronics onto one compact board. The board must integrate: • Microcontrolle...

HL-40205540

Technical Writer Needed to Update Documentation for DIY Bluetooth Speaker Kit (STEM / Schools)

We provide a DIY Bluetooth Speaker Kit used in schools and STEM programs. The kits come with pre-assembled circuit boards, and students solder wires between com...

HL-40205303

PID Control Simulation & Analysis -- 2

Need tutor for the group design project Tool and everything mentioned in the Pdf file i will need professional academic tutor who can handle project perfectly p...

HL-40205342

MATLAB, LabVIEW, Multisim Tutoring

Looking for the experts for Electrical and electrical software tasks Expert must be good to write the reports also and simulation i will have multiple tasks so...

HL-40205090

Rescue-Dummy Gerätentwicklung

Ich habe bereits einen funktionstüchtigen Prototypen auf Basis eines ESP32-WROOM-32 aufgebaut, stoße jedoch bei der Fein- und Serienentwicklung an meine Grenz...

HL-40203187

PCB Size Reduction Without Circuit or Component Changes

I have an existing ATMS PCB design with current dimensions of 120 mm (L) × 55.55 mm (W). I am seeking an experienced PCB layout designer to reduce the overall b...

HL-40204943

EDP to MIPI CSI Converter PCB

I need a compact, production-ready PCB that reliably converts an EDP 1.2 video stream into a MIPI CSI-2 output so I can interface an existing embedded panel wit...

HL-40203210

STM32 Programmer: Robotics farm vehicle

Need software enginner who will help for STM32 Programming Skills required : 1. C Programming and debugging 2. should know Free RTOS Concepts 3. Shall be able t...

HL-40204835

Remote Control of Stepper Motors with Joystick

I need help setting up two Nema 17 stepper motors to be controlled remotely via two ESP32 boards. One board will be in the remote and the other in the receiver....

HL-40204846

AI-Powered Fault & Parts Identifier Development

We are developing an internal AI-powered system that identifies machine parts and fault codes using photos and technical PDF manuals. By uploading a photo of a...

HL-40204618

Smart Meter Diagnostics & Safety Check

My smart electricity meter needs a thorough diagnostic. Over the past few weeks several household appliances have suddenly failed, and I suspect the meter or it...

HL-40204668

Node-RED Stepper Guidance

I have a Raspberry Pi already running Node-RED and a bipolar stepper motor that will drive a small automated system. I now need clear, hands-on tutoring so I fu...

HL-40204228

PCB Review Needed

I have a nearly finished schematic and two-layer board for a small dual-battery embedded system and want a second set of expert eyes before I send it off to fab...