Electronics projects — HireLancer archive

ID / Date Listing

Proyecto con ESP32-S3 Amoled touch 2,06" waveshare

Preciso de una persona con amplios conocimientos de este modulo y de VSCODE o Arduino IDE. La idea es con este modulo con pantalla táctil, hacer un reloj (ya vi...

HL-39995947

[SMC003] EasyEDA Schematic Review

Aqui está em bloco único, direto e profissional: ⸻ We are looking for an experienced electronics engineer to review the EasyEDA schematic of our custom Noise Se...

HL-39995733

AI Multi-Sensor Safety Device Design

I have an early-stage concept for a compact home-safety unit that merges four traditional sensors—smoke, carbon monoxide, natural gas, and heat—with a miniature...

HL-39994650

QElectroTech Electrical Schematic For simple PLC+VFD control

Design a simple control panel for controlling a VFD. Panel includes a S7-1200 PLC that may control the VFD by modbus. Provide hardwired controls to override PLC...

HL-39994404

Educational 8-bit FPGA CPU Design

Note: The project must include code, schematics, and a short technical write‑up. ● Design a basic CPU (even 8‑bit or a minimal RISC‑V subset) in Verilog/VHDL, i...

HL-39994369

Resolve Meteo40 Modbus Timeout

I have an Ammonit Meteo 40-v1 datalogger that refuses to read an RK200 pyranometer on its RS-485 line. Wiring continuity has been checked end-to-end, the sensor...

HL-39994159

Teensy 4.1 One-Cycle FSK

I’m building a proof-of-concept transmitter that must output a single, precisely timed cycle of FSK per data bit on a Teensy 4.1. The bit stream is stored exact...

HL-39994188

Custom Aluminum Calyx Volume Remote Control

I have a Calyx CTI integrated amplifier but no remote, so I need a brand-new one built from scratch. The only function it must perform is volume adjustment thro...

HL-39993213

Outdoor Wi-Fi RGBW Beacon Prototype

I need an experienced hardware designer who can turn my concept for a cylindrical, flashlight-style RGBW 'beacon' into a working, weather-resistant prototype. I...

HL-39993022

Teensy 4.1 board & Sensor C++ Compile Fix & Augmentation extra peripherals

I have a sensor-companion board built around an Arduino Teensy 4.1 that is normally compiled from inside Visual Studio in C++. A recent update has left the proj...

HL-39992853

PIC MCU Hardware Control Firmware

I have a PIC micro-controller board that needs robust, production-ready(mass production) firmware focused on hardware control. The project centres on driving se...

HL-39992725

Event-Based LabVIEW DAQ Upgrade

I need to re-work an existing LabVIEW application so it fits our internal process more tightly. Some source VIs and documentation are ready for you, but the pro...

HL-39992547

Complete Hardware Design for IshaSync USB-to-Ethernet Product Line (4 Models - Bundle Project)

Project Description: I'm looking for an experienced hardware engineer who can handle complete end-to-end product design for our IshaSync brand — a line of profe...

HL-39992190

Digital Laser-Measuring Tape Creation

For developing a digital steel measuring tape with integrated laser measurement. I’m looking for a skilled freelancer experienced in: Laser diode and distance s...

HL-39991881

BLE Scale Firmware Revamp

I have the BLE bathroom scale sold at the link above and need its firmware overhauled. The original source is not available, so the first task is to extract and...

HL-39991903

VFD Display Replacement Advisor

I need guidance to replace an obsolete VFD display on a PCB. The display shows both numerical data and text messages. Key requirements: - Exact dimension match...

HL-39991276

GBA/GBC Cartridge Reader PCB Design

I have a half-finished KiCad project for a very small board that will plug a Game Boy Color / Game Boy Advance 32-pin cartridge into a Raspberry Pi (or similar...

HL-39990624

Arduino & Python Developer for RFID Interactive System

Project Description: We are looking for an experienced Arduino and Python developer to build an RFID-based interactive podium system. This project combines hard...

HL-39989586

STM32H725 Firmware Development

Embedded Firmware Developer Needed – STM32H725 (FreeRTOS, LwIP, LittleFS) – Stabilisation + Feature Completion Project Summary I am building an embedded product...

HL-39989404

Convert JLC EDA (open source) project to KiCad

HL-39989232

Shenzhen Electronics Supplier Sourcing

I need a Shenzhen-based sourcing partner who can zero-in on dependable electronics manufacturers, confirm that each holds the required certifications, and then...

HL-39988999

Prototype-Ready Mini PCB Design

prototype PCB design. Looking for experienced kicad fella.

HL-39988585

FPGA/ASIC Expert for Whitepaper Development

Job Title: Subject Matter Expert (FPGA / ASIC) – Whitepaper Development We are a Europe-based strategy consulting firm seeking an experienced FPGA/ASIC Subject...

HL-39988442

Industrial Monitoring Sensor PCB Design

I’m building a compact PCB that will sit at the heart of an industrial-automation monitoring unit and interface directly with environmental sensors (temperature...

HL-39987812

Half-Bridge Converter Circuit Design & Simulation

Consider the half-bridge converter given in the figure below with parameters L = 690 μH, R = 5 mΩ, VDC/2 = 600 V and Vs = 400V. Perform the following for this h...

HL-39986987

Solar-Powered AWG Concept and Technical Design

Freelancer Project Request – Atmospheric Water Generator Using PV Solar Power Project Title: Design and Development of a Solar-Powered Atmospheric Water Generat...

HL-39986139

Program Innotech Omni HVAC Controller

I need the control logic on a commercial HVAC installation rewritten and commissioned on an Innotech Omni proprietary controller. The focus is temperature contr...

HL-39985979

AD7512-ADG5436 Switch Migration

My existing design relies on the AD7512 protected dual SPDT CMOS analog switch in a 14-pin PDIP package. Production stock has vanished, so I am moving to the An...

HL-39985997

Lock Board Hardware Integration

I need firmware and accompanying host-side code that speaks the existing Lock Board Protocol so a central controller can trigger a locker door and know, in real...

HL-39985827

USB-C PD Hub PCB Design -- 2

I’m ready to move from concept to production on a compact USB 3 hub built around a USB-C upstream port with full Power Delivery negotiation. The board will be c...

HL-39984324

NTR08 LoRa Transceiver Module Driver (STM32)

We need a clean, STM32-friendly driver for the NTR08 Series LoRa Transceiver Module (SX1262 based) and a small demo that shows two modules can talk. Everything...

HL-39984079

Automatic TP5100 Charge Cutoff Circuit

I’m using a 2-cell Li-ion pack (8.4 V full, 7.4 V nominal) with the TP5100 charging module and I need an add-on circuit that will: • Drop the adapter input the...

HL-39984118

Arduino Basics & Coding Lessons

explain how each is to be done

HL-39983728

Raspberry Pi Sensor App Development

I need a self-contained application developed for a Raspberry Pi that will receive temperature and humidity sensor inputs and control relays as outputs. I have...

HL-39983506

Arduino Touchless Sanitizer Prototype

I’m putting together a compact, battery-powered hand-sanitizer station driven by an Arduino UNO. An ultrasonic sensor will sit at the front and, as soon as it s...

HL-39983454

Portable Electronic Time-Stamping Device Prototype

Project Summary I need a complete design and working prototype of a portable automatic time-stamping device. The idea is to combine a mechanical numbering stamp...

HL-39983392

USB-C PD Hub PCB Design

I’m ready to move from concept to production on a compact USB 3 hub built around a USB-C upstream port with full Power Delivery negotiation. The board will be c...

HL-39983344

Motion-Detecting Anti-Suicide Fan

I’m putting together a small proof-of-concept fan that shuts itself off the moment motion is detected near the blades, demonstrating a simple yet effective anti...

HL-39983323

Dynamic Response Simulation of Half-Bridge Converter - 15/11/2025 15:38 EST

By using Matlab I need to solve it Dynamic Response of Half-Bridge Converter Consider the half-bridge converter of Figure 2.1. The system parameters are L = 690...

HL-39983118

Dynamic Response Simulation of Half-Bridge Converter

By using Matlab I need to solve it Dynamic Response of Half-Bridge Converter Consider the half-bridge converter of Figure 2.1. The system parameters are L = 690...