Embedded Systems projects — HireLancer archive

ID / Date Listing

ESP32 PhonePe UPI Verification

I’m building a small stand-alone module around an ESP32 and need it to do one thing flawlessly: verify UPI payments made through PhonePe, google pay, bharat pay...

HL-40372305

LED Vibration Mask Prototype

I’m looking to build a simple wearable mask prototype that combines light and vibration to create a relaxing sensory experience. The device should include LED l...

HL-40372167

Interactive Pop-Up Prototype

I’ve designed a product that springs to life at the tap of a phone or web button, and I need a talented maker to turn that idea into a fully functioning prototy...

HL-40372149

Handheld Medication Dispenser PCB Integration

I’m building a palm-sized device that helps automate at-home medication. Inside it sit two independent plungers driven by micro servos, a vibration motor, a sma...

HL-40372033

Multi-Vehicle GPRS Tracking System

I want to build a turnkey GPRS-based tracking solution for a small fleet of up to ten vehicles. The platform must stream each vehicle’s live GPS position, keep...

HL-40371870

Smart Door Lock Harness Design

I need a custom harness to connect a Wi-Fi enabled smart door lock, potentially including installation assistance. Requirements: - Design and build a functional...

HL-40371946

Low-Cost 15 V Charge Pump Design

I am developing a compact system powered only by a single +6 V rail and need a charge-pump circuit that can push at least +15 V across a 560 Ω load (and ideally...

HL-40371951

Smart Orthotic Insole Electronic Schematic Design

Design a complete electronic schematic for our smart orthotic insole device based on the given system requirements. The circuit will include multiple FSR sensor...

HL-40371572

6-S ArduCopter Li-ion BMS

I’m outfitting an ArduCopter that runs 6-cell Li-ion packs and need a purpose-built Battery Management System. The board and firmware must continuously monitor...

HL-40371258

ESP32-WROOM-32E PCB Design in Altium

Have a working circuit diagram for a device based on the ESP32-WROOM-32E module. The system is powered from an external supply (5V / 8V / 12V). The next step is...

HL-40371068

Industrial Control Embedded System Design

I need an embedded systems hardware design for an industrial control application focused on data collection. Key components include: - Microcontrollers - Sensor...

HL-40370949

Advanced HVAC PLC Programmer Needed

We are developing an advanced home automation system focused on intelligent HVAC (Heating, Ventilation, and Air Conditioning) control. We are looking for an exp...

HL-40370464

USB Logger for Printer Output

Necesito convertir un Pen Drive común en un “registro” automático de todo lo que se imprima desde mi impresora. La idea es que cada trabajo de impresión se guar...

HL-40369746

Arduino-Based Environmental Monitoring System

I'm looking for an experienced developer to design an environmental monitoring system using the Arduino UNO R4 Wifi board and LoRa technology. The system will b...

HL-40369747

VS1010 VLSI Audio Integration

I need a skilled embedded systems engineer to integrate the VS1010 for audio playback and recording in an embedded system. The VS1010 should specifically suppor...

HL-40369764

PCB Design Tweaking and Order Placement

I already have step-by-step build notes for a tactile glove and the preliminary PCB design files. What I now need is practical help getting that board fabricate...

HL-40369782

Primary PLC Programming Needed

I have a new industrial control system under development and now need the core PLC program written from scratch. The hardware has already been selected; I can s...

HL-40369488

CAN-FD H-Bridge Robot Controller

I need to replace my old SmartDrive-i2c-P.i.D. driver because of this: https://www.youtube.com/shorts/tZxwh2cdo3I where, after several attempts, it is proven th...

HL-40368893

Port Arduino Code to STM32

I have a working Arduino Nano sketch that I now need running on an STM32. The project must be opened, built and flashed entirely inside STM32CubeIDE, so please...

HL-40368601

Integrar datáfono y balanzas Linux

Necesito integrar un datáfono Saturn1000 con las balanzas Marqués ETPOS V5.34 / ETBAL V1.0 sobre un sistema basado en Linux 4.14.78-mx6+ga9b238a40814. El objeti...

HL-40368230

Electric Motor Control Setup

I need a control system for two electric motors, each drawing 2.5 amps. The motors should be controlled sequentially using manual rotary switches. Requirements:...

HL-40368195

PCB Design for MY Machine Systems -- 2

i want a PCB for in-situ, real-time verification of sensor integrity in a live without interrupting the control process of components of PCB for cooling, heatin...

HL-40367750

Skin-Facing camera Health Smartwatch Design

I need a complete electronic design for a next-generation health-monitoring smartwatch whose signature element is a high-resolution micro camera mounted flush t...

HL-40367613

Sierra RC7620-1 4G Handshake Integration

I have a custom, in-house firmware written entirely in C/C++ that now needs to establish a reliable 4G data link through a Sierra RC7620-1 modem. The goal is si...

HL-40367618

Dual-Channel Controller PCB Replication

I’m holding an ageing but still functional dual-channel, 80 A DC reverse controller that was built for industrial truck-tarp systems about fifteen years ago. Th...

HL-40367063

Shelly Group Lighting Script

I have 2 Shelly i4 units behind 2x2gang switches. I have 9 Shelly 1 mini gen 3 relays on a series of spotlights and 3 more on some wall lights. Spots and walls...

HL-40366677

Video Stream Box Player

I need a lightweight, reliable stream-player application for a set-top-box environment that focuses exclusively on video. The core requirement is solid, glitch-...

HL-40366510

Tracker PCB: Bluetooth, LoRa, GNSS Integration

I need a production-ready printed circuit board for a compact consumer-electronics tracker. The board has to combine Bluetooth connectivity for smartphone pairi...

HL-40366576

Programmable Coil Controller PCB Design

I have a coil-driving concept on the bench and now need a professionally engineered PCB to turn it into a working prototype. The controller must provide fully p...

HL-40365877

ESP32-CAM IoT Control System

I have an ESP32-CAM board and want a complete, working IoT solution built around it. The core goals are real-time video streaming, advanced face recognition, an...

HL-40366062

ESP32 RS485 Board App Upgrade

I already have firmware running on an ESP32-based board that includes an RJ45 RS-485/UART port, two analog inputs, several digital I/Os and a small audio stage...

HL-40365766

Vocal Training Wearable Tech

I'm looking for a skilled developer to create a unique vocal training device that incorporates wearable technology. This device will be designed to fit around t...

HL-40365659

Unlock Teltonika FMC125 Trackers

I have a batch of Teltonika FMC125 GPS trackers that I can’t configure because the Teltonika Configurator keeps requesting a login password. I have not performe...

HL-40365550

On-Site Drone Design Technical Expert Advisor Required Physically Part Time in Bangalore

I’m looking for a senior technologist who can sit with my Bangalore-based team and guide us through the full hardware-software stack of our new UAV prototype. T...

HL-40365563

Solar Hybrid Inverter Prototyping Help

I am building a new solar-hybrid inverter around an Infineon reference design and need an experienced technical advisor who can work with me on-site in Bangalor...

HL-40365595

Assemble Three Custom Drones UK - 12/04/2026 01:05 EDT

I need three 7-10" quad-copters professionally put together and flight-tested in the UK. All the parts will be shipped directly to you; once they arrive I’d lik...

HL-40365453

Arduino Traffic Light Controller

I need a clean, well-commented Arduino sketch that drives a small traffic-light prototype using LEDs, push-buttons, and a couple of sensors (e.g., ultrasonic or...

HL-40364992

ESP32 Home Meter Integration with MATTER

Hi I will share the details with the shortlisted candidates. thanks

HL-40364805

FPGA & ESP32 Hardware Enhancement

I’m refining a set of custom boards that combine an FPGA-based signal generator with several ESP32 modules. The immediate gap is in analog and digital circuit d...

HL-40364722

Custom BeagleBone Light Pod PCB

I need a complete PCB solution for a BeagleBone-based light pod whose primary purpose is, quite simply, “Lightpod.” The concept is already proven on a breadboar...