Embedded Systems projects — HireLancer archive

ID / Date Listing

HL-39852074

NIR Handheld Spectrometer as to be portable, handheld Near-Infrared material analysis, narcotics (drug) purities and Adulterants. I need software and the device making

More details: What specific functionalities do you need in the software for the NIR handheld spectrometer? Real-time analysis What kind of materials do you need...

HL-39851583

Firmware STM32F407 en C/C++

Necesito desarrollar el firmware completo para una placa basada en STM32F407. Ya cuento con el diagrama de bloques y la especificación funcional; los compartiré...

HL-39850576

CircuitPython Microcontroller Board Setup 1

Hi i need a key mapper I'm doing some tests the simpliest though most complex thing i could think of is doing a keyboard outputs from a amplitude + frequency fr...

HL-39850909

Modbus Relay Board Development

I need a Modbus relay board that can control 8 relays remotely using the RS485 protocol. Have a protections built in Key Requirements: - Ability to control rela...

HL-39850085

DC Motor Programming

I need a DC motor programmed for position control using a digital control method. Essential Requirements: - Experience with DC motors - Proficiency in digital c...

HL-39849288

Smart Vehicle Schematics & Simulation

I’m finalising a Smart Vehicle System designed to safeguard drivers who suffer epileptic seizures, and I now need two clear deliverables: • A complete set of el...

HL-39848602

Compact 150W Mini Inverter System Design

The Compact Mini Inverter System supports up to 150W continuous load with a square wave output and ≥85% efficiency. The PCB should be 210mm × 100mm (max), made...

HL-39848474

ATmega32 BMI Firmware Enhancements

My BMI application already runs smoothly on an ATmega32, but it needs to grow. I want the firmware extended to accept rich, custom user-data input (think age, g...

HL-39845284

KiCad Industrial Control PCB Design

CAD: KiCad v9 Stack-up: 4-layer minimum (Signal / GND / Power / Signal). Use 6-layer only if routing/thermal demands. Temp rating: Operate −40…+105 °C (select 1...

HL-39847904

Optimize ESP32 BMI Timing

I have an ESP32 project with a TFT display that measures BMI (Body Mass Index). The code is working, but there’s a timing issue during the measurement phase. Cu...

HL-39847055

PID en Atmega para Incubadora

Cuento con una placa ATmega ya cableada y necesito el firmware que implemente un controlador PID capaz de mantener la temperatura interna de mi incubadora avíco...

HL-39846797

PCB Assembly for Smart Bin System

Looking for an experienced freelancer to carry out PCB assembly that can be installed onto a fabricated smart bin body. The scope includes assembling the PCB as...

HL-39845735

Dual Elevator Simscape-PLC Integration

I already sketched the overall process and now need it executed end-to-end. First, the mechanical side: model both shafts and cars for a 12-floor building in So...

HL-39844989

Fix DS1307 RTC Malfunction

The DS1307Z real-time clock on my custom PCB stubbornly reports nonsense values—think 00:00:80—and refuses to accept new time or date settings. Everything else...

HL-39845016

High-Speed Data Transfer FPGA Development

I am seeking an experienced FPGA programmer to develop a custom hardware acceleration solution for high-speed data transfer over Ethernet. Key requirements: - D...

HL-39844876

Small Warehouse Shuttle - 03/10/2025 00:57 EDT

Manual Picking Brief 2 (Sept 25) Overview Assistance is required in the construction of a small shuttle that runs accurately to positions along an electrified r...

HL-39844123

NFC Pressure Sensor PCB Finalization

I already have a working proof-of-concept for a tiny, battery-free pressure sensor that sits on a flexible PCB and chats with a coin-sized rigid reader board ov...

HL-39844142

Rooted Android — Modem/RIL-level GSM SIP Audio Bridge

Implement a modem-level GSM ↔ SIP two-way audio bridge by controlling the device RIL/modem (QMI/diag) so the modem internally mixes GSM and SIP audio legs. This...

HL-39844075

Embedded System Developement

I’m building an Arduino-based device that brings together multiple sensors, motion components, and wireless modules, all coordinated through a clean UART link....

HL-39843986

12V Modbus RTU Controller Development

I'm looking for an experienced developer to create a 12V Modbus RTU controller with an RS485 interface for a Linak actuator. The controller should be capable of...

HL-39843110

ESP32-CAM People Recognition System

I’m building a smart-camera solution that runs entirely on an ESP32-CAM. The unit must detect people in real time and, whenever a face is present, perform face...

HL-39842392

PCB Design for Gut Monitoring Wearable

I already have the concept for a mental-productivity wearable that centres on gut monitoring, and now I need a hardware specialist to turn that idea into a reli...

HL-39842105

ESP32 UPI Vending Integration

I’ve already built the core vending-machine electronics on an ESP32 and now want to complete the payment side so customers can pay seamlessly via UPI. My own fa...

HL-39841403

Set Digital Scale to 174.2

edit the photo to make the scale say 174.2

HL-39841260

LiFePO4 Battery & BMS Design - 01/10/2025 20:33 EDT

I’m building a compact LiFePO4 pack to drive a new line of portable electronics and need a complete electrical and firmware design that rolls reliable power del...

HL-39841152

ESP32 Smart automatic changeover swtich

I want a clean, well-commented firmware project for an ESP32 that will drive two core functions in my home-automation setup: it must switch my lighting circuits...

HL-39840287

Small Computing PCB Design

I need a skilled PCB designer to turn my concept for a small, single-board computing device into production-ready files. The board will sit inside a consumer-el...

HL-39840315

Help with Digital Circuit Projects

My team is tackling a run of mini-projects centred on digital circuit design and we’re looking for an ECE-trained partner who can jump in quickly. The work rang...

HL-39839623

Firmware Development for Premium Motorsport Device

We’re building a premium motorsport device. We need a hands-on firmware freelancer to help bring our first prototypes to life and then carry it through to produ...

HL-39839502

Unlock Hybrid Mould Machine

I have a Neelgiri hybrid plastic-injection mould machine whose control panel is now locked behind the factory passcode. We only enabled the basic digital securi...

HL-39839432

DPAA Driver Test Case Fix

I need assistance with fixing issues in test cases for a working DPAA driver (QMAN) code. The code is written in Embedded C. Requirements: - Debugging logic err...

HL-39839441

USB-C Hub Prototype Development

Project Title: Active USB-C Hub Prototype Development Location: Remote (Immediate Start) Engagement: Contract (Project-based) Start Date: Immediate Duration: 2–...

HL-39839183

Digital Calculator Architecture design

I need a complete architecture design that takes a digital calculator from concept to a specification ready for hardware description or PCB work. The immediate...

HL-39838419

Custom High-Power Linux PCB Design

I’m commissioning a ground-up single-board computer that boots mainstream Linux and is purpose-built for embedded systems which need serious processing muscle....

HL-39838207

Electronics (PCB Designer) - Hand-Drawn Schematic to PADS

I have a small, purely digital circuit drawn by hand that now needs to live inside Mentor Graphics PADS Logic. The sketch spans a few pages, but the total part...

HL-39837594

Optimize STM32H7 GPIO Output Speed

I need small STM32H7 firmware that outputs data from RAM to a GPIO pin as fast as possible. We have 1 pin for data and 1 pin for clock. The data must be present...

HL-39837198

Maple Systems PLC Programming

I need assistance with programming and development for Maple Systems PLC. Key tasks include: - Creating new control programs with basic complexity - Developing...

HL-39836694

Magnetometer LED Alert System

I already have the hardware on my bench— an HMC2003 board, an NVE ALT-0021 board, an OMGS3 ESP32 board and the accompanying analog-to-digital converter. What I...

HL-39836328

Arduino Blink on ATSAMD21J15

I have a custom-built PCB centred on the ATSAMD21J15 and I want to prove it alive with the classic “blink” sketch from the Arduino IDE. From many previous attem...

HL-39835537

Design a 2-Channel High-Speed Timing Measurement Module (KiCad + Red Pitaya)

I need help completing a PCB project in KiCad. The board is an extension module for a Red Pitaya STEMlab 125-14. Its purpose is to detect fast digital pulses on...