Bluetooth Low Energy (BLE) projects

ID / Date Listing

Flutter Raspberry Pi App! !

I need a robust mobile application that talks directly to my Raspberry Pi-based device and guides users through a short diagnostic workflow. The same build must...

HL-39980813

Smart Wearable Firmware & App Solution

I’m building a wearable and need someone who can own both sides of the stack: the low-level firmware written in Keil and a companion mobile application that run...

HL-39970792

Enable PiKVM V4 Mini Two-Way Audio -- 2

Fix PiKVM V4 Mini Microphone (WebRTC audio not working) Description: I need help enabling two-way audio on a PiKVM V4 Mini setup. Everything works except the mi...

HL-39969857

Cortex-M Wearable Health PCB

I’m building a compact, medically-oriented wearable that measures bio-impedance through four skin electrodes, monitors temperature, optionally logs motion with...

HL-39969088

Offline xArm Home Robot Software

I already have the xArm 7-DoF robot with gripper, an Intel RealSense depth camera, XarmStudio, plus help with a mobile 2020-extrusion frame with wheels and bat...

HL-39967186

Reverse Engineer Android App (FitDays) & Build BLE Web Interface for Smart Scale --

I am looking for an experienced developer to reverse engineer the FitDays Android app and create a real-time web interface for a smart scale (FG2305ULB). The go...

HL-39966558

Enable PiKVM V4 Mini Two-Way Audio

Fix PiKVM V4 Mini Microphone (WebRTC audio not working) Description: I need help enabling two-way audio on a PiKVM V4 Mini setup. Everything works except the mi...

HL-39964571

Highly Skilled Embedded Hardware and Firmware Engineer for Confidential IoT Prototype

Looking for an experienced embedded hardware and firmware engineer to develop a confidential IoT prototype. The project involves microcontroller-based GSM/GPS o...

HL-39962990

FPV Grocery RC Car Build

I’m looking for a maker who can build (and document) a functional prototype of an RC car and Rc car which needs to be build in budget with requirements mentione...

HL-39962858

Flutter Raspberry Pi App -- 2

I need a robust mobile application that talks directly to my Raspberry Pi-based device and guides users through a short diagnostic workflow. The same build must...

HL-39961508

Patch ECG Wearable Prototype Design

I am looking to collaborate with an Embedded Systems or Electronics Engineer to design and build a wearable biosignal acquisition prototype. The goal of this pr...

HL-39959565

Smart Ring Firmware & App

I’ve completed the hardware design of a smart ring built around the nRF52810 SoC. It includes MAX30102 (SpO₂/heart rate), TMP117 (temperature), ADS1115 (strain...

HL-39958873

IoT Device Schematic & PCB Design

We are looking for an Embedded Hardware Developer to design a modern IoT device focused on wireless communication (BLE, MQTT-ready). This project covers the har...

HL-39956415

Flutter Developer for Oral Care App

We are seeking an experienced Flutter Developer to migrate our existing native iOS (Swift) and Android (Java) applications to a single Flutter codebase. The pro...

HL-39939672

BIA-Based 8-Electrode Body Fat Scale Development

Project Title: Development of 8-Electrode Body Fat Scale (BIA-based) — Firmware + Hardware Support Project Description: We are an Indian medical-device manufact...

HL-39936958

Universal Car Diagnostics App

I’m building a mobile app that turns any standard Bluetooth-based OBD-II dongle (think ELM327 style) into a full-featured diagnostics tool for both Android and...

HL-39936661

UHF RFID Based Student Attendance Gate System (IoT + Cloud Integration)

Here’s a **perfectly optimized project posting draft** for **Freelancer.com**, designed to attract skilled engineers and keep costs low --- ### **Project Title:...

HL-39922457

Create a Smart Agriculture Monitoring App

Job Post: Frontend / Mobile App Developer Title: Build a Farm Management Mobile App with Flutter & BLE Project Description: We are developing a comprehensive Sm...

HL-39922478

Progressive Farm Management Mobile App Creation

Job Post: Frontend / Mobile App Developer Title: Build a Farm Management Mobile App with Flutter & BLE Project Description: We are developing a comprehensive Sm...

HL-39912622

Kinetic Energy-Powered GPS Workforce Monitor

Project Concept Our vision is to design a kinetic energy–powered GPS module that functions as a workforce monitoring and attendance management system. The devic...

HL-39911519

Senior Firmware Engineer Needed

Job Title: Senior Firmware Engineer Job Type: Permanent/Hybrid set-up Location: Dasmarinas Cavite About The Role MedSolutions Technology and Innovation Inc. is...

HL-39911526

Wearable Firmware Intern Support

I need a project-based intern who can jump into our embedded codebase and help keep our medical monitoring devices moving forward. You will focus on: • Developi...

HL-39907694

ESP32-S3 BLE HID Integration

I already have an ESP32-S3 running purely over BLE with a custom GATT profile. I now need to add a standard BLE HID service (media commands - volume up/down, ne...

HL-39906239

Fix Flutter Thermal Printer Integration

I already have a fully working Flutter app, except for one gap: the Bluetooth thermal-printer action fails to fire. I’m looking for someone who can drop into th...

HL-39906263

Fix Flutter Thermal Printing

I have a Flutter-based shop-maintenance app where I already wired in thermal printing, but the Bluetooth printer never receives the print command. Pairing also...

HL-39902370

Bluetooth App for Arduino Car

I have a small toy car that already runs on an Arduino-based motor driver. What I now need is a companion mobile app, connected via Bluetooth, that can do two t...

HL-39901654

Desarrollo App BLE Multiplataforma

Busco un desarrollador con experiencia comprobable en Bluetooth Low Energy para crear una aplicación nativa tanto en Android como en iOS. Mi prioridad es que la...

HL-39898034

Health-Tech Kiosk IoT Prototype

IoT/Integration Developer Project Brief I am building Medrovia, a health-tech startup developing a prototype kiosk for real-time health screening. For Phase-1,...

HL-39885437

Wearable Health Firmware Development

I am building a small wearable that tracks blood pressure and blood glucose levels and streams that data over Bluetooth to a companion app. I need production-re...

HL-39882326

Cross-Platform NFC Lighting Configurator

I need a production-ready NFC mobile app that runs natively on both iOS and Android and communicates with our emergency-lighting control gear. The core workflow...

HL-39879595

Reverse Engineer Android App (FitDays) & Build BLE Web Interface for Smart Scale

Project Overview I'm looking for an enthusiastic developer for a hobby project that involves reverse engineering the FitDays Android app and creating a real-tim...

HL-39879351

Smartwatch SOS Alert App Prototype

I’m kicking off an innovative safety tool and need a mobile developer to build a proof-of-concept companion app that can turn a simple tap on a smartwatch or sm...

HL-39877211

PCB Design & Development – India Only

Looking for an experienced PCB Designer-Developer (India) with hands-on experience in ESP32 hardware. Project Scope: Custom PCB with ESP32-S3 Multiple sensor in...

HL-39876674

SensorTile.Box Motion Alert Wearable

I have an ST SensorTile.Box Pro that I want to turn into a small, wearable device. When the board detects a specific pattern of motion—head shaking(like shaking...

HL-39872227

Firmware Developer for WiFi Routers

I need an experienced developer to create custom firmware for consumer-grade WiFi routers for my existing business. The firmware should support improved network...

HL-39868668

React Native contractor

Bid sentence s must be started with "IOT". We’re looking for a React Native developer to convert an existing React Expo project into a React Native CLI project...

HL-39863525

Cross-Platform GPS & BLE Integration

I need a developer who can quickly add reliable GPS tracking and Bluetooth Low Energy (BLE) scanning to my existing stack. Here’s what I’m aiming for: • GPS tra...

HL-39862130

IoT SOS Device Development

I’m building a compact SOS gadget that pairs with a smartphone over Bluetooth and I need someone who can turn the idea into a working prototype and production-r...

HL-39861730

BLE Device PENTEST

I have a proprietary Bluetooth Low Energy device reaching its final development milestone and I need a seasoned security specialist to put it through a full-sca...

HL-39859611

Wearable Medical Device | Electronics System Architect

I am outlining a new, ultra-low-power wearable that centres on health monitoring. The core features I must enable are continuous heart-rate, blood-oxygen (SpO₂)...