Bluetooth projects — HireLancer archive

ID / Date Listing

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-39906280

Fix Flutter Bluetooth Printer Bug -- 2

I already have Bluetooth printing code in my Flutter app, yet nothing reaches the thermal printer on either Android or iOS. I need a focused bug-fix that: • Rev...

HL-39905983

Simple Android Productivity App

I’m looking for a developer who can put together a lean Android productivity app that rolls three essentials into one: • File explorer – browse local storage, o...

HL-39905990

Passenger Car Control PCB Design

I am seeking an experienced PCB designer to create a new design for an automotive control application. The PCB must incorporate the following components: Atmega...

HL-39902732

Bluetooth Servo Control System

I need a compact Bluetooth-enabled regulator that can reliably drive standard hobby servo motors. The core task is to design and program a small board (Arduino,...

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-39901389

ESP32 Timer via QR Payments (debe residir en buenos aires , argentina)

Tengo un cronómetro físico con su propio botón de inicio / fin y quiero que se active sólo después de que el usuario pague mediante un QR de Mercado Pago. El re...

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-39897868

Calculation for small business -- 2

Project: Mobile App with Dual Number Pads, Bluetooth Printing, OCR & Real-time Sync We’re building a cross-platform app (Android + iOS) to simplify daily billin...

HL-39895384

FlutterFlow Invoice Printing Setup

I’ve built a FlutterFlow app for a delivery company and now need a straightforward way to create and print a receipt / invoice for any given order. The structur...

HL-39894802

PC JoyCon Adventure Locomotion

The project objective is to walk and run in any Windows-based PC game on steam by simply moving a Nintendo Switch JoyCon that is strapped to my ankle. The goal...

HL-39892787

NickelMenu Setup on Kobo

I already have a Kobo Clara HD and want to streamline its controls through NickelMenu. My main goal is a ready-to-drop-in configuration that lets me: • toggle W...

HL-39892305

Android Bluetooth SPI Flasher

I need a basic Android app that pairs with my existing Bluetooth-enabled programmer and pushes BIN files to an SPI flash chip. The workflow should be straightfo...

HL-39889876

Smart Furnace Control Card Design

I'm looking for an experienced electronic designer to create a control card for our furnaces. The card must be controllable via both Bluetooth and WiFi. Key req...

HL-39886870

Miniaturized Medical Device Development -- 2

I’m building an implantable, battery-powered device that treats urinary incontinence by driving a micro-stepper screw mechanism. The work is split into two clos...

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-39882149

Advanced Arduino Robot Coding Support

Help with High School Business Incubator Class Project. Students need help with Code update/rewriting from a project idea they found online. The orginial idea f...

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-39876153

Bluetooth Audio Solution for Insta360 X5

I'm seeking a solution to connect a Bluetooth transmitter to my Insta360 X5 camera. The goal is to send audio from an analog line-level input (like a headset) t...

HL-39869849

Android Bluetooth Utility App

I need an experienced Android developer to build a utility app that allows users to connect a Bluetooth headset to another Bluetooth speaker seamlessly. The pri...

HL-39867003

Smart Pillbox with Bluetooth Notification System

I need a smart pillbox that detects when medication is taken and sends a Bluetooth signal to an app. Key Requirements: - Hall sensor to detect pill removal - Bl...

HL-39865915

Wearable Electronics Hardware Design

I’m developing a new piece of wearable technology and need an experienced hardware designer to turn my concept into a working electronic solution. The focus is...

HL-39864861

WebApp to APK Conversion & Printer SDK Integration

Job Title: Convert Existing WebApp to Android APK and Integrate Thermal Printer SDK --- Project Overview: I have a fully functional web application (POS / Billi...

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-39861589

Ubuntu Desktop VirtualBox Setup - 08/10/2025 04:13 EDT

I need a working Ubuntu Desktop virtual machine running smoothly on my Surface Pro 11, which is running Windows 11 on ARM. The host already has VirtualBox avail...

HL-39859686

Miniaturized Medical Device Development

I’m building a wearable, battery-powered device that treats urinary incontinence by driving a micro-stepper screw mechanism. The work is split into two closely...

HL-39859324

Custom Bluetooth Relay Control App

I'm looking for an experienced mobile app developer to create a custom app for iOS and Android. The app will control a 2-channel Bluetooth relay primarily for h...

HL-39853140

Software for Nir, InnoSpectra NIR-S-G1 for professional narcotics testing.

Im looking to commission the development of a custom software solution to utilize my Nir, InnoSpectra NIR-S-G1 for professional narcotics testing. Here is a br...

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-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-39843815

Bluetooth App Development

I’m looking for a mobile developer who can take a blank-sheet concept and shape it into a reliable Bluetooth-enabled app. The core idea is straightforward: esta...

HL-39840541

iot and pcb design

About the Role We’re building smart hardware products and are looking for someone who enjoys working at the intersection of electronics and coding. The role wil...

HL-39832591

Razorpay Top-up Bluetooth Integration

I already have a working mobile app that pairs with a BMI machine over Bluetooth. Right now the app can talk to the machine, but it has no way for users to pay...

HL-39830939

Print Android Text Messages

I need assistance to print text messages from my Android phone using my laptop. The messages are currently stored on my mobile phone. Requirements: - Experience...

HL-39828888

Print Android Text Messages

I need assistance to print text messages from my Android phone using my laptop. The messages are currently stored on my mobile phone. Requirements: - Experience...

HL-39827858

IoT Home Automation PCB Design

I'm looking for an experienced PCB designer to develop a custom PCB for an IoT home automation project. The PCB needs to support wireless communication and sens...

HL-39820945

Bluetooth Integration with Microchip BM83

I need an experienced developer to integrate Bluetooth functionality on the Microchip BM83. Key Requirements: - Pairing with smartphones and laptops - Interface...

HL-39817717

BLE Bike Rental API System

App-Entwickler für Open-Source Bike-/Camper-Sharing gesucht (Bluetooth-Lock, Stripe, Flutter/React Native)” Titel: Open-Source Sharing App (Bike & Camper2Go) –...

HL-39817603

ESP32-S3 Interactive Touch UI

I’m working with the ESP32-S3-LCD-Touch-2.8C module and want the complete front-end created in the LVGL-Editor so I can keep iterating visually after delivery....