Bluetooth projects — HireLancer archive

ID / Date Listing

Mobile App

I am looking for an experienced mobile app designer/developer to help create the first prototype (MVP) of a mobile app Please let me know if you have experience...

HL-40294589

Bluetooth Horse Boot Sensor Prototype

I have the core components—an ESP32, a NEO-6M GPS module, an accelerometer, a gyroscope, and a Li-Po pack—and now I need the working prototype that brings them...

HL-40292581

Bluetooth Receipt Font & API Update

I need two quick improvements to my existing mobile app that prints via a Bluetooth thermal printer. 1. Receipt font revamp Right now the printer uses its defau...

HL-40290743

Custom ESP32 IoT PCB Design -- 2

I’m building a small-footprint PCB around the ESP32 that will serve as the core of several IoT devices. The board must expose reliable Wi-Fi, Bluetooth, and fle...

HL-40287342

BLE Sensor Data Transfer Protocol

I want to build a Bluetooth Low Energy solution focused strictly on reliable, low-latency transfer of sensor data. The project covers everything from defining t...

HL-40283957

iOS Beacon Blocking Setup -- 2

I want my iPhone hardened so it stops listening to—or broadcasting—every kind of beacon signal and ignores any future provisioning attempts. The focus is on thr...

HL-40275380

Bone Density Scale Hardware

I am building DigitScale IA, a dedicated body-composition scale that goes beyond mere weight and zeroes in on bone density. The goal is a standalone hardware de...

HL-40275163

DIY Tower Speaker PCB Design

I’m building a pair of DIY tower speakers and need a custom-designed, two-layer PCB that ties everything together. The board must fit comfortably inside the cab...

HL-40272042

Bluetooth Roadbook Controller for iOS/Android

Design Brief: High-Reliability Bluetooth Roadbook & Multimedia Controller Project Code: RALLY-MEDIA-V3 Target Platform: PCBA (Automotive / Rugged Environment) 1...

HL-40268647

Ultra-Slim No-Neutral Smart Switch -- 2

I need a compact, single-fire line smart light switch designed around the ESP32-C3, strictly for residential use and housed in a PC-V0 enclosure. Because there...

HL-40266918

RFID & Bluetooth Asset Tracker

**Project: Cross-Platform RFID & Bluetooth Asset Tracking Mobile App** We are seeking experienced mobile developers who have previously built applications integ...

HL-40265929

Android Device File Transfer App

I need a clean, lightweight Android utility focused purely on file management—specifically, moving files from one device to another. Think of it as a straightfo...

HL-40263904

création application ios

Hello, I have developed an electronic device based on an ESP32. It includes: A pressure sensor A system that triggers a timer A 4-digit 7-segment display showin...

HL-40262209

Ultra-Slim No-Neutral Smart Switch

I need a compact, single-fire line smart light switch designed around the ESP32-C3, strictly for residential use and housed in a PC-V0 enclosure. Because there...

HL-40258290

Android BLE background scan on Xiaomi/HyperOS — 1‑week PoC

My current Android BLE scanner works flawlessly on iPhone, Samsung, and most other Android handsets, but on newer Xiaomi phones it stalls: the app does not wake...

HL-40257213

Dual-Pi Split-Channel Audio System

I’m building a two-unit setup with Raspberry Pi Zero W boards. One Pi acts as the master player; the second Pi will behave purely as a Bluetooth speaker. When a...

HL-40253289

Bluetooth Module Selection for High-Quality Speaker

I'm seeking an expert to assist in component selection and electronic design for a Bluetooth speaker project. it is not. the. cabinet or carcass I need designin...

HL-40253031

Fix Azure OneDrive & Bluetooth

My tenant relies on Azure OneDrive and Azure Intune. Since making some recent policy changes, two critical problems have appeared: 1. Every user in the tenant i...

HL-40251401

Build 16x16x16 Interactive RGB Cube

I’d like to commission the complete fabrication of a 16 × 16 × 16 RGB LED cube. The job covers everything from refining or creating the electronic design right...

HL-40247328

IoT Developer with Tuya technology

I’m moving a new smart electric controller from concept to market and need a developer who lives and breathes Tuya-based solutions. The electronic design is alr...

HL-40221829

Consumer Electronics Wireless Circuit Design

I need a compact, production-ready circuit that brings reliable wireless communication to a new consumer-electronics device. The work begins with schematic capt...

HL-40221004

Interactive Plush Toy Prototype Development

Project: ESP32-Based Talking Plush Toy – Prototype Development Project Overview I’m building a screen-free talking plush toy for kids (3–7 years). The goal is t...

HL-40221072

Outdoor Real-Time Bluetooth Tracker Design

I’m building a brand-new tracker aimed at hunters and other outdoor enthusiasts who need to see the location of their harvested game is in real time. The core r...

HL-40219238

Bluetooth HAM Radio Audio Bridge

I want to build a compact, two-way Bluetooth audio interface for a HAM radio. The core goal is a 2-way bridge between the radio and a realtime camera running on...

HL-40216423

Technical Tester for Bluetooth Adapters - Windows/Linux/Ubuntu (Based in India)

Part-Time Technical Tester (Windows/Linux/Ubuntu) – Screen Recording + Voice We are hiring a tech-savvy tester based in India to test our Kinivo Bluetooth USB a...

HL-40218062

Custom Scent Diffuser Control App

I need a developer who can take our existing whole-home scent diffuser hardware and give it a fresh, branded mobile experience on both iOS and Android. The curr...

HL-40213013

App y Hardware Domótica IoT/IA

Busco a una persona con sólida experiencia en IoT y algoritmos de inteligencia artificial para crear un sistema domótico completo. El proyecto incluye: • Diseño...

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-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-40202916

Compact BLE PCB for Wearable GPS

A NRF52 based low power consumption BLE tag with 4G and GPS capabilities. Features: Microcontroller: NRF52, any GPS + 4G module operable in south america Power...

HL-40202206

IOS app and apple watch app -- 2

I want to bring to life a lightweight iPhone app that can recognise scratching episodes just from the handset’s own motion sensors—primarily the accelerometer a...

HL-40200128

Mobile 3D Viewer with Bluetooth command Buttons

I already have a fully textured 3ds Max model plus short demo videos that show the exact interaction I need. Your job is to wrap this model in a lightweight mob...

HL-40199625

8-Channel Bluetooth System Design

I need a complete mixed-signal design for an eight-channel Bluetooth communication system: four inputs for data acquisition and four outputs for actuation or st...

HL-40190429

ESP32-Based IoT Device Hardware Design

I need a full-stack hardware design for an ESP32-based IoT product that is ready to hand straight to a contract manufacturer. The board must integrate a tempera...

HL-40189088

Android BLE UART App

1. Bluetooth module must support Bluetooth 6.x/ Reccomended: nrf54l15-me54bs0 2. Secure pair with Bluetooth form Android 3. Get distance information between Blu...

HL-40187526

Ride Transparency Display App

I’m a full-time Lyft and Uber driver, and I want my passengers to see, in real time, exactly what I earn from every ride. The goal is to create a small-scale, p...

HL-40186679

Bluetooth Tracker PCB & Firmware

I’m building a tiny Bluetooth-based tracker that can register with Google’s “Find My Device” network and broadcast its presence so an Android phone can locate i...

HL-40181369

ESP32 CAN Bus Logger PCB

Project Objective: The intention of this project is to utilize the signals that we can listen to through the motorcycle's CAN bus. Example: We have a CFMoto mot...

HL-40174803

Android Bluetooth Printer & Report Enhancements

I need our existing Android app to talk smoothly to a Bluetooth thermal printer and, while you are in the code, refresh the look of one key report. Integration...

HL-40170585

Insta360 x5 Bluetooth Classic Sniff & Analyze

I need an experienced Bluetooth-Classic analyst who can hook up an Ellisys BR/EDR sniffer to my setup and hand me clean captures of everything that happens betw...