Bluetooth Low Energy (BLE) projects

ID / Date Listing

Semiconductor Design Team Recruitment -- 2

I am assembling a 30-member core team to take India from “importer” to “exporter” of advanced computing-grade semiconductor chipsets. Our immediate mandate is c...

HL-40122035

ESP32 Sensor-App Integration - AD2P

Looking for someone to integrate Bluetooth voice transfer through AD2P to my existing project using ESP-IDF. It has to work in parallel with BLE communication,...

HL-40121374

ESP32 Bluetooth Power Framework -- 2

I’m building a product around an ESP32 and I need a compact, reusable framework that handles two things flawlessly: complete Bluetooth support—both BLE and Clas...

HL-40119406

Android Kotlin OBD Data App

I am looking for a developer to build a simple Android app that connects to an ELM327 Bluetooth OBD-II device. The app is for a basic diagnostic test, not a ful...

HL-40116366

B4A Business App With WiFi

Ich möchte in der B4A-IDE eine Android-Geschäftsanwendung umsetzen, die zwei Kernaufgaben erfüllt: Erstens ein stabiles Benutzermanagement mit Anmeldung, Rollen...

HL-40109685

ESP32 Sensor-App Integration

I’ve built a prototype around an ESP32-based sensor board and now need a small, clean mobile interface that can pull the live readings and present them in real...

HL-40102470

Multiplatform IPTV App Rebuild

I need the IboPlayer IPTV application fully re-engineered while keeping the familiar interface exactly as it is today. The rebuilt code must support dynamic mul...

HL-40096463

ESP32 WiFi IoT Logger

The project centres on an ESP32-driven IoT device that connects exclusively over Wi-Fi to gather sensor data and present clear reports. I already have general u...

HL-40092053

Wearable Sensors System Prototype Design

We are seeking an experienced wearable hardware + firmware engineer to design and build an MVP prototype of a non-invasive skin-worn sensing system that tracks...

HL-40091293

Android Glucose Meter Interface App

I need an Android application that can discover, pair with, and reliably pull readings from a Bluetooth glucose meter. The core requirement is a clean, stable B...

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KTA223 Bluetooth Integration for FarmerGPS

I need the KTA223 integrated with a Bluetooth module to control sprayers via the FarmerGPS software. The primary function is to start/stop devices. Key Requirem...

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ESP32 Heart Rate GATT Transmission

I have an ESP32 wired to a heart-rate sensor and the readings are flowing nicely on the serial monitor. What I need now is the firmware logic that turns those n...

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iOS Smart Ring App with Docker

I need an iOS application that connects to my smart ring, collects the raw sensor values over Bluetooth LE, and then stores every data point on my home server i...

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12V Feed Control App

I'm looking for an experienced app developer to create a cellular-based control app for a 12V access control system on a proprietary brand of deer feeders. The...

HL-40072067

BLE Fitness Tracker

I’m building a wrist-worn fitness tracker and need the core firmware that turns raw motion into useful, low-power BLE data. The hardware is set around an nRF528...

HL-40070716

Desarrollo app social

¡Excelente punto! Es fundamental especificar que quieres que la aplicación funcione en PC, Android y iPhone. Esto cambia el alcance de Plantilla: Descripción de...

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Upgrade My Android BLE App

I have an existing Android application that already works with an earlier Bluetooth Low Energy device. I am now moving to new hardware and need the app updated...

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Neuro-Stim Headband Prototype Development

I’m building a wearable headband whose main job is to safely stimulate the nervous system and guide the brain back to its normal baseline. At this stage I need...

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Arduino Retail Jackpot Button Creation with audio

Build a Battery-Powered Retail “Jackpot Button” (Arduino + Audio) Project Description We are an Australian food brand, looking for an experienced electronics /...

HL-40053324

Industrial IoT Raspberry Pi Consultant

I’m building an Industrial-grade IoT proof-of-concept around a Raspberry Pi and would like an experienced mind to guide me from architecture to first live data....

HL-40052894

Neurostimulation Headband for Cognitive Recovery

I’m developing an adult-sized wearable headband that delivers gentle, targeted neurostimulation to restore healthy neural pathways and, in turn, improve overall...

HL-40044870

Cross-Platform App for Smart Fencing Mannequin

I need a cross-platform mobile app (Android & iOS) to manage an electronic fencing training mannequin based on ESP32-S3. The app will help athletes and coaches...

HL-40044370

Android-ESP32 Bluetooth Commands

I’m putting together a compact control setup where an Android phone sends simple text commands to an ESP32 over Bluetooth. The user will only trigger a transmis...

HL-40041101

Swift Social Networking App Development

I'm looking for an experienced iOS Swift developer to create a social networking app. The app should have: Core Features: - User Profiles: Customize information...

HL-40034390

IoT Parking-App Field Support ON-SITE ONLY in Clemson, SC

Experienced IoT professionals needed to help my team install and provision our wireless parking sensors so they register smoothly inside the eXactpark Android a...

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Flexible PCB for Haptic Wearable

We are looking for an experienced flex PCB designer to create an ultra-compact 80 mm polyimide flex PCB for a wearable device. We already have: A complete mecha...

HL-40027943

BLE Wearable Tracker Design

Ultra-Low-Power BLE Tracking Tag — Hardware & Firmware Development Project Description: I am developing a brand-new ultra-compact wearable tag that can be attac...

HL-40027890

Firmware Specialist for Industrial IoT Project -- 2

We are seeking an experienced Firmware Engineer to lead the development of embedded software for next-generation industrial IoT systems. The role involves worki...

HL-40025261

Hardware Engineer for IoT Device Development

Freelance Hardware Engineer – Stealth Mode Consumer IoT Device Engagement: Freelance / Contract Location: Remote or Bengaluru (preferred) Duration: 1 month (wit...

HL-40024771

IoT Home Automation Developers

I’m building a consumer-friendly home-automation product that focuses on two core features: smart security and climate control. Connectivity will be entirely Wi...

HL-40019726

Hands-On Zigbee Gateway Coaching

I already grasp Zigbee fundamentals, so we can move quickly past the basics and dive straight into practical work. My goal is to master three areas: • Understan...

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IoT Project Expert

I want to turn a concept into a fully working IoT system, covering everything from the hardware stack to the cloud and front-end reporting. Because the use-case...

HL-40012033

IoT Project

I want to turn a concept into a fully working IoT system, covering everything from the hardware stack to the cloud and front-end reporting. Because the use-case...

HL-40011712

Jewelry 360° Photography Machine (Hardware + Firmware + App + Admin Panel)

We are building a smart jewelry photography & 360-degree videography machine similar to JD 360 / Vision 360 machines found in the market, but with enhanced IoT...

HL-40010200

Raspberry Pi Pico Aquarium Automation

Environmental Monitoring: • Temperature: Use of a digital sensor (DS18B20 or similar) for accurate readings. • Water pH: Implementation of the pH sensor using t...

HL-40007703

Sviluppo di Ecosistema

Sto valutando team qualificati per lo sviluppo di un ecosistema integrato composto da: 1. Mobile App (iOS + Android) Richieste tecniche: sviluppo nativo (Swift/...

HL-40005380

ESP32 Wearable Firmware Development -- 2

I’m building a compact wearable that runs on an ESP32 and need firmware that reliably powers its core features: health monitoring and fitness tracking. The devi...

HL-40002788

ESP32 BLE Log Viewer + File Storage System (LittleFS + BLE Notify + BLE Commands)

I need an experienced ESP32 + BLE + LittleFS developer to build a clean and reliable BLE-based log retrieval system. The ESP32 must store logs in a file (Little...

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ESP32 Smart Inverter Firmware

I am building a custom portable hybrid inverter / power station and need a developer to create the complete ESP32 firmware + basic web dashboard for system moni...

HL-39991881

BLE Scale Firmware Revamp

I have the BLE bathroom scale sold at the link above and need its firmware overhauled. The original source is not available, so the first task is to extract and...