Bluetooth projects — HireLancer archive

ID / Date Listing

Bluetooth RFID-Android Integration Without SDK

I have an RFID reader that must talk directly to an Android device over Bluetooth, but the manufacturer never released an SDK. I need someone who can reverse-en...

HL-40626133

Design a Compact Universal ESP32 Smart Fan-Regulator PCB with Wi-Fi, Ethernet, BLE, Gerbers and 3D Enclosure

Project Title Design a Compact Universal ESP32 Smart Fan-Regulator PCB with Wi-Fi, Ethernet, BLE, Gerbers and 3D Enclosure Project Description I need an experie...

HL-40624200

Integrated Bicycle Speaker System Prototype -- 2

I have a patent-pending concept for an all-in-one bicycle sound system and I’m ready to move from idea to working prototype. The vision is simple: riders enjoy...

HL-40620610

Custom Windows POS with Bluetooth Printer

I need a small-footprint Windows application tailored for my dabeli outlet. The core workflow is straightforward: when a customer places an order I should be ab...

HL-40618083

Prototype Smartphone and fob Controlled Home bolt Lock

I need a working prototype of an electronic lock that can retrofit a standard residential dead-bolt and be controlled primarily through a dedicated smartphone a...

HL-40607214

Clean ESP32-C3 Firmware & UI

I need robust firmware for an ESP32-C3 that connects over Wi-Fi and Bluetooth, streams and receives data without blocking the main loop, and feeds a small touch...

HL-40601527

Fix Base44 App Issues

I built the entire app in base44, but a handful of small bugs are stopping me from releasing it. Your first task is to get the push notifications and their comp...

HL-40598676

Expert PCB Design Engineer Needed

PCB Designer Required – Consumer Electronics Product We are looking for an experienced PCB Design Engineer to help develop a consumer electronics product from c...

HL-40597760

Health Band Multi-Layer KiCad PCB

I need a seasoned KiCad specialist to turn my wearable health-band concept into a production-ready, multi-layer PCB. The board’s sole purpose is data communicat...

HL-40588477

Modern Smartphone Docking Station Design

I need a multifunctional docking station for both iOS and Android smartphones, designed with a modern and sleek aesthetic. Essential Features: - Speakerphone mo...

HL-40586788

Prototipo tDCS Inalámbrico (Booster NK)

Ingeniero Electrónico – Prototipo tDCS Inalámbrico (Booster NK) Español nativo/fluido Descripción del Proyecto: Busco un Ingeniero Electrónico con experiencia e...

HL-40583389

Portable Utility Gadget Prototype Development

I want to bring a compact, consumer-friendly utility gadget to market and need an engineer who can take it from idea to production. The core of the device is si...

HL-40581865

48V E-Rickshaw Diagnostic PCB Design

I have a working concept for an E-Rickshaw diagnostic tool based on an ESP32 DevKit V1, and I now need a production-ready 2-layer PCB. All circuitry must operat...

HL-40580133

Fast Bluetooth Human Interface

I need a working human-computer interface that can both pick up and broadcast data over Bluetooth at the highest speed the protocol allows. The data flowing thr...

HL-40579679

4-6 Layer Mixed-Signal PCB

I’m building a compact, 4–6-layer mixed-signal board that will sit at the heart of a new sensor-interface product. The board must collect analog data, run it th...

HL-40577272

R&D Hardware Engineer (WiFi + Bluetooth Specialist) + Multi-layer PCB Specialist

We are seeking experienced Hardware Development Engineers with a minimum of 5 years of experience to lead the end-to-end development of a consumer-grade embedde...

HL-40576677

Android-Zebra Printer Integration Fix

We have an Android app (TC58) that prints ShipStation shipping labels (4x6 PDF) to a Zebra mobile printer over Bluetooth. We need a definitive fix for unreliabl...

HL-40575587

Type-C Bluetooth Mouse Design

I need a compact Bluetooth mouse engineered from the ground up with four physical buttons, a smooth scroll wheel, and a USB-C port for both charging and optiona...

HL-40573277

Seamster's Tailoring App: SaaS Solution

(Android + Windows) Tailoring SaaS App with Bluetooth Projector Integration Description: I need a SaaS mobile/desktop application for tailors and cutting master...

HL-40565541

Bluetooth Fingerprint Attendance MVP App

Description: I’m building a very focused Android MVP for farm worker attendance using a Bluetooth fingerprint scanner. Core idea A farm manager uses an Android...

HL-40563490

Bluetooth-Connected Reaction Training Pods Development

I'm seeking an experienced electrical or mechanical engineer to develop an innovative sport - brain stimulating product: reaction training pods that connect to...

HL-40562308

ow-Cost Bluetooth External Sensor Prototype

I’m looking for someone to build a low-cost prototype external sensor unit for my GrowlerZ iOvilus project. The idea is a small Bluetooth sensor hub that connec...

HL-40558535

Zephyr ANT+ Heart Rate Scanner

I am working on a project using an nRF52840 Pro Micro to read data from a heart rate strap. I am using the latest SDK version (v3.3.1) with Zephyr, but I am hav...

HL-40557905

Finalize GR5513 RF Board Design

I already have a near-complete Bluetooth LE board built around the Goodix GR5513. The digital section is proven, but the RF side still needs refinement before I...

HL-40556232

Tecno Buds Companion App for iOS & Android with Full Feature Suite

I want to develop a companion app for Tecno Buds on both iOS and Android. The app should include features such as custom EQ, HearID sound profiles, ANC controls...

HL-40556144

Health & Fitness App Development

Cross-Platform Health & Fitness Tracking App (iOS + Android) I'm looking for an experienced mobile app developer or small team to build a modern health tracking...

HL-40556171

Wireless Microphone Repair

I'm looking for an experienced audio technician to fix a disconnected wireless microphone connected to a Flow 8 Digital Bluetooth mixer at Rosa Madera Sacrament...

HL-40548978

Arduino Relay Control App

I'm looking for a skilled developer to create an GUI Android app that controls Arduino relay modules via Bluetooth. Core functionalities: - Bluetooth connection...

HL-40546580

Wellness Device Prototype Assembly

I need 5 working hardware prototypes assembled and tested. This is a personal wellness/fitness device that measures breath flow rate via a pressure sensor and s...

HL-40538781

Arduino Servo Robotics Control

Project Description – 2-Axis Laser Pointer System for VLM Background I am managing the development of Vertical Lift Module (VLM) solutions within the Gonvarri M...

HL-40534995

Compact ESP-C3 Motor-Driver PCB

I’m building a small robotics platform and need a custom, rectangular PCB that merges an ESP-C3 Zero module, a TB6612FNG dual H-bridge driver, and an on-board 1...

HL-40534913

Android Bluetooth App Development

I need an Android-only application that communicates with external hardware over Bluetooth. The core requirement is straightforward: establish a reliable Blueto...

HL-40534792

Simple Schematic + PCB Layout for a Dual-SIM 4G LTE WiFi Hotspot (Quectel SC200E/SC20, RF experience required)

I am developing a portable battery-powered WiFi hotspot (MiFi-style similar) based on a Quectel smart LTE module. The module integrates the application processo...

HL-40534526

Wireless Communication and Product Design Consultant Needed for Embedded Electronics Development

We are seeking an experienced consultant to assist with the design and development of innovative electronic products involving wireless communication technologi...

HL-40528285

iPad kiosk survey (3-4 questions) for a trade show with results printed on the spot

The activation consists of a simple skincare recommendation survey presented on an iPad kiosk. Attendees will answer a small series of questions (approximately...

HL-40527235

Secure Renesas Controller Development

I’m building a prototype around a TrustZone-enabled Renesas MCU that must meet tight security requirements while handling 4 digital inputs, 4 digital outputs, 2...

HL-40523113

ESP32 BLE Remote Control Firmware

Role Overview: We are seeking a highly skilled, hands-on Embedded Systems Engineer to help build a functional prototype of SolarPump X—an ultra-compact, solar-p...

HL-40521790

E-Ink Flashcard Device Prototype

I am building a pocket-sized flashcard companion that feels as distraction-free as paper yet draws its content from my iPhone. The core of the unit will be an E...

HL-40519107

Switch Sensor PCB Design + full build

Please note this is not just a PCB design task, I need a complete implemented solution I need a compact, ultra-low-power PCB that can read a group of simple slo...

HL-40516883

J1939 CAN Edge hardware and Firmware Development

I have a CAN-based hardware concept for trucks and excavators that still needs an expert eye and solid firmware. The board carries a CAN transceiver plus an as-...