Bluetooth Low Energy (BLE) is a powerful and energy-efficient technology and a core component of digital transformation in the Internet of Things (IoT). A Bluetooth Low Energy Developer can help businesses integrate BLE into their devices and systems to gain new insights and control, streamline operations, and provide a better customer experience.
BLE is used in a variety of applications today, such as wearables and home automation, and its range is increasing rapidly across truly connected devices that require secure communication. BLE works by Bluetooth classic radio technology transferring data between two devices using radio waves within the 2.4GHz range. This technology allows robust communication over longer distances than most other wireless technologies with just a fraction of the power required to transmit the data.
Here’s some projects that our expert Bluetooth Low Energy Developers have made real:
- Building an entire ecosystem allowing for secure custodial wallets with Bluetooth device connection
- Developing advanced fall detectors on NRF 52832 Chipset
- Implementing and integrating BLE functionality for device configuration on ESP32-S3
- Establishing Flutter plugins for ACR1255U-J1 Bluetooth NFC Reader
- Creating prototypes with Embedded C and ARM Cortex M
- Developing secure interconnectivity between python TCP sockets and BLE devices
- Constructing Raspberry 3/4 Bluetooth LE scanners using Python 3.9
- Designing simple mobile apps to identify and record BLE pairing requests
- Programming Nordic based bluetooth speakers
- Setting up Unity Scenes real time connecting one BLE sensor
Through integrations with BLE, today's devices become smarter without intensive energy use, reduced cost, increased speed in configuration tasks, improved accuracy in data transfer, simplified interoperability between different vendor products and secure data encryption. With the help of specialized Freelancer expert BLE Developers, businesses can design robust integrations to realize their visions for the future of IoT. If you have an idea for a project that requires BLE integration – post it on Freelancer now and hire experienced BLE developer to turn it into reality!From 14,001 reviews, clients rate our Bluetooth Low Energy Developers 4.81 out of 5 stars.
Hire Bluetooth Low Energy Developers
I'm looking for a skilled freelancer who can develop a simple POC iOS application using BLE Scanning to read specific advertising data up to 31 bytes and send it to an REST API (these functions are supplied) Application flow we can discouss in more details, source code and project for xcode or similar should be provided in the project. - **Core Functionality**: - GUI with a few buttons and some status text - SCAN BLE devices and read advertising data based on specific name and range (db) - POST custom raw advertising data to an API backend - up to 31 bytes - Receive JSON payload from API calls - **Skills and Experience**: - Bluetooth BLE knowledge - scanning, read advertising data - XCode is prefferable but other development tools are also - Flutter, Xamarin etc. - P...
I'm in need of an experienced IoT electronics engineer who can design and build a Bluetooth LE enabled digital water level meter for measuring freshwater tank levels in real-time. Your main task scope is: 1. Use domestic grade float sensor switch for fresh water with upto 6 float switch sensors to detect water levels. 2. Use ESP32+BLE based hardware controller (with 2 AA/AAA batteries). Use power optimized and mesh networking modes 3. 2 LEDs to indicate error, power, scan and broadcast 4. Use simple BLE scanner mobile application to receive BLE GATT broadcast packets. 5. Frequency of broadcast depends on the rate of increase or decrease of water levels. Frequency will be from 1 min to 30 minutes 6. Demonstrate that packets are received real-time on mobile app Deliverables: 1. Wir...
I'm in need of an experienced IoT electronics engineer who can design and build a Bluetooth LE enabled digital water level meter for measuring freshwater tank levels in real-time. Your main task scope is: 1. Use domestic grade float sensor switch for fresh water with upto 6 float switch sensors to detect water levels. 2. Use ESP32+BLE based hardware controller (with 2 AA/AAA batteries). Use power optimized and mesh networking modes 3. 2 LEDs to indicate error, power, scan and broadcast 4. Use simple BLE scanner mobile application to receive BLE GATT broadcast packets. 5. Frequency of broadcast depends on the rate of increase or decrease of water levels. Frequency will be from 1 min to 30 minutes 6. Demonstrate that packets are received real-time on mobile app Deliverables: 1. Wirin...
I need an expert iOS Swift developer to create an app for Bluetooth car battery scanner. I have full design on figma and also, android completed source. I want to make ios swift app to connect to the device, and provide key data points about battery voltage, health, and temperature. Desired functionalities include: - Displaying battery status notifications - Keeping a battery health-history log - Offering battery charging recommendations based on the history log and current status Ideal candidates would have solid experience with Bluetooth SDKs, sensor data processing, and Swift programming. Prior experience developing auto related apps is a plus. Please share relevant portfolio items when bidding. I attached design files. I will make test milestone for your skill with 2~3 pages. If yo...
I'm seeking a highly skilled firmware engineer with deep expertise in designing, developing, and optimizing firmware for IoT devices, specifically focusing on low power consumption. Our current project involves creating a firmware for an Arduino Nano BLE 33 that leverages its Low Power Comparator (LPCOMP) to wake up the CPU from sleep mode efficiently. This capability is critical for extending the battery life of our device while maintaining responsiveness. **Requirements & Skills:** - Proficient in developing firmware for Arduino Nano BLE 33. - Deep understanding of LPCOMP and its implementation for CPU wakeup. - Experience with embedded systems, particularly in IoT devices and consumer electronics. - Expertise in sleep mode functionality and creating energy-efficient firmware. ...
I am in need of an IOT sensor, capable of monitoring, measuring and displaying a 48-volt lithium-ion battery's charge percentage, unique ID and temperature. The vital parameters need to be visible on an 8-bit screen (screen type is open to expert recommendations). In addition to the visual display, the device should have Bluetooth capabilities to share data with mobile phones. Desired Features: - IOT Sensor: To continually measure battery’s charge, unique ID and temperature. - 8-bit Screen: To display the determined parameters. Type of screen (LCD, OLED, E-ink) can be recommended by freelancer based on their experience and best practices. - Bluetooth Connectivity: To transmit data to mobile devices. Specific Data to Display/Share: - Charge Percentage - Unique Battery ID - Temp...
I need an expert to build an app for physical therapy and sports rehab therapeutic exercises. This project will include designing a user-friendly layout and developing specific features for the iOS platform. Within a timeline of a month, the app should be able to: - Track exercise routines - Generate patient progress reports - Provide interactive workout guides Ideal candidate should have experience in health or fitness app development and a strong understanding of iOS application development. Practical knowledge of user-interface design and advanced knowledge of Apple's XCode will be beneficial. Understanding of physical therapy or sports rehabilitation would be a significant advantage, but is not mandatory. However, you should be ready to conduct some research in the field to en...
I'm looking for an expert in Bluetooth Low Energy (BLE) technology to create a system that logs the presence of BLE proximity sensors, specifically when they are within a 10-20 meter range of a tablet. Key Features: - Detect and log BLE sensors by name when in range - Tablets should NOT be connected to the internet during logging - Once a Wi-Fi connection is established, the system should auto-upload all previous logs Ideal Candidate Will Have: - Proficiency in BLE technology - Experience with tablet functionality - Understanding of Wi-Fi connectivity protocols - Capable of implementing auto-uploading features To ensure a successful project, familiarity with similar projects involving BLE technology and Wi-Fi connectivity & uploading methods would be a definite asset.
In search of a skilled Embedded Systems Engineer to enhance our pioneering control systems, focusing on precision and versatility. The ideal candidate will have a strong background in Pulse Width Modulation (PWM) techniques, mobile app development design for Ios and Android, and Bluetooth (BLE). This role involves designing and implementing firmware and hardware solutions that leverage these technologies to ensure optimal performance, reliability, and user interactivity across our product range.
Necesito una APP en Android para la lectura de Objetos desde un lector de mano RFID BLUETHOOT HF-920, Tienen toda información técnica y SDK Se trata que la aplicación permita inscribir un nombre a cada etiqueta leida Luego que el lector HF-920 lee la etiqueta RFID, la aplicacion conectada al lector via BLUETHOOT muestra el texto de la etiqueta, este texto debe ser un texto grande en color blanco sobre fondo negro, grande