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Android App Developer Having Experience In Communicating With ESP32 Devices Over Bluetooth Interface To Help In Some Communication Issue Of Device Connection/Disconnection Problem Frequently n Some Data Reading Issue. Note: Android Code Is In KOTLIN (We Taken Some BT Code Reference In Our Code For Communication). Help Needed Remotely, We Have Device n Code With Us. Only Experience in BT Comm With ESP32 Device Candidate To Figure Out Issue Quickly.

Need to develop a custom iOS app and interface with external bluetooth switch

We need a Bluetooth architect and developer to design and develop a file transfer and processing application between 2 mobile devices with Bluetooth technology installed.

We would like to design a portable speaker with bluetooth which connect with notebooks or smartphones,it need novelty,portable and fashion. Also you can add some other elements for it if you have good we cannot accept the ID which already exist in market or very similar yoU.

I need someone to make a feature to print Arabic text with Bluetooth thermal printer flutter... and stream check every second id printer connect now or disconnect

Hi Mohd Syafiq A., I noticed your profile and would like to offer you a mobile app development project. Project brief: - Contract 1-3 months - iOS (Swift) or Android (Kotlin) - Based in Selangor / KL area - On site at Puchong - Bluetooth (BLE) connectivity experience required - Control machines using mobile app (think smart home app) We can discuss any details over chat.

I would like to hire a professional developer/team that can develop an app for smartwatch. Below are the initial summarized requirements: To connect smartwatch with cellphone (Android/IOS) using Bluetooth to be able to share data such as: Make & receive calls using the watch Send & receive text using the watch Send & receive social media text on the watch Send & receive pictures & videos using the watch Make & receive WhatsApp calls using the watch I need to know a rough estimate: Estimated cost in CAD Estimated completion timeline Thanks Hamid Ayaz

I would like to hire a professional developer/team that can develop an app for smartwatch. Below are the initial summarized requirements: To connect smartwatch with cellphone (Android/IOS) using Bluetooth to be able to share data such as: Make & receive calls using the watch Send & receive text using the watch Send & receive social media text on the watch Send & receive pictures & videos using the watch Make & receive WhatsApp calls using the watch I need to know a rough estimate: Estimated cost in CAD Estimated completion timeline Thanks Hamid Ayaz

** Skills Required - Knowledge of communication networking protocols like TCP and Eathernet - Languages like C , C#, and Python. - Should know how to carry out end to end IoT/IP systems that include connectivity, device, cloud, backend, applications, and analytics. - Experienced in working on wireless protocols like Wifi and Bluetooth - Experienced in acquiring field data through industrial gateway devices - Experienced in databases like Ms SQL. - Ability to Identify bottlenecks and bugs, and devise solutions to these problems - Experienced in dealing with Restful APIs **What's Required - Creating and developing devices, sensors and software - Designing, coding and testing features of IoT devices - Providing solutions to issues related to the connection of networks and platfor...

I use Bluetooth mobile printer not support Arabic font so I print Arabic text as bitmap Requirements - Select logo from picture & print as top - Print multi lines Arabic text as bitmap - Print 3 size for text printed - Print QR Code from enter text as bottom - EscPOS format printer - 2 Paper width 80mm & 58mm - print via Bluetooth - Use only C# with Xamarin Froms Android & iOS - Printer with both Android and iOS - Project with Full Source

We are using a 12V DC winch with a Remote. In Remote only two options. In and Out. If we hold the up button then it will rotate the motor in the forward direction. If we hold the down button it will rotate the motor in the reverse direction. I want to integrate that mechanism with Bluetooth mobile application. I have mobile application. Just need hardware list and programming code.

We need a Network Stack Developer for our site - Work to be done: Peer to peer desktop application, related to network. Network administration Python Mongodb TCP & UDP Routers Wifi Bluetooth Wireshark

Create an application which will be called as an intent from browser using javascript The parameters (or extras) will be printed to a connected bluetooth printer as pairs key : value The app should verify that the printer is available. and issue error messages if necessary. beside this it should work unvisible Calling the app 'stand alone' will open a screen which allows to enter 3 parameters and save them to a file. It will also allow to test the availability of the printer. The parameters will be read from the parameter file when the app starts. Use Kotlin - Should work o 4.4 +.

...Mode -> the phone must not be in power saving mode • Wi-Fi / Cellular -> Wi-Fi or mobile data must be enabled • Bluetooth -> Bluetooth must be activated The application must check the permissions granted at each start and if necessary request them: • Bluetooth -> Enabled + Background Modes: Uses Bluetooth LE accessories • Cellular Data -> Enabled • Location -> Always + Background Modes: Location updates • Precise Location -> Enabled • Background App Refresh -> Enabled • Notifications -> Enabled • Motion & Fitness -> Enabled + CMMotionActivity stationary walking running automotive cycling unknown The application must perform these functions: 1. Do a Bluetooth scan to fi...

Busco un programador para desarrollar una App móvil multiplataforma y multilenguaje. Esta App controlará un dispositivo electrónico mediante comandos por conexión Bluetooth BLE. La App mostrará datos recibidos en tiempo real desde el dispositivo generando un gráfico. Finalmente se generará un informe resumen de estos datos obtenidos que se guarda en formato PDF y puede compartirse. Estos son los requisitos que necesito: - Programación hibrida basada en Cordova: Onsen UI o Ionic. - Experiencia en comunicación Bluetooth ble: lectura y escritura de características GATT. - Experiencia en generación de informes PDF con gráficos. Detalles de la comunicación BLE Los datos son valores num&eac...

So in short I have a system similar to foodpanda, Uber eats and so on. The restaurant have a tablet or similar in the place. I need the possibility for a Thermal Printer to connect to it. It's a Web App (VueJS), so it might not have access to etc. Bluetooth. It's a PWA and therefor web based. So there are some possibilities: 1. Look at and their plug-ins for what has already been created or used () 2. Foodooma also has a thermal printer module: () 3. Check and how to utilize that 4. Check PaperCut Mobility Print 5. Setup a print server with a Raspberry PI as a print control box/ print server. I need the best and easiest solution

From an existing Yocto version, we need to improve it by adding Bluetooth and CAN communications. The embedded plateform is a SMT32MP157F with a Cortex A7.

So I want an animated cat (can be any level of spiriting, can provide sprites) to run across phone screen 1. When hitting the right edge of phone screen 1, it comes out the left end of phone screen 2. When it hits the right end of phone screen 2, it comes out the left end of phone screen 1 (or 3 if there are more phones linked in the application). I don't need advanced con...animated cat (can be any level of spiriting, can provide sprites) to run across phone screen 1. When hitting the right edge of phone screen 1, it comes out the left end of phone screen 2. When it hits the right end of phone screen 2, it comes out the left end of phone screen 1 (or 3 if there are more phones linked in the application). I don't need advanced connectivity, so any form of lan, or bluetooth...

So I want an animated cat (can be any level of spiriting, can provide sprites) to run across phone screen 1. When hitting the right edge of phone screen 1, it comes out the left end of phone screen 2. When it hits the right end of phone screen 2, it comes out the left end of phone screen 1 (or 3 if there are more phones linked in the application). I don't need advanced conn...animated cat (can be any level of spiriting, can provide sprites) to run across phone screen 1. When hitting the right edge of phone screen 1, it comes out the left end of phone screen 2. When it hits the right end of phone screen 2, it comes out the left end of phone screen 1 (or 3 if there are more phones linked in the application). I don't need advanced connectivity, so any form of lan, or bluetooth...

Proyecto de desarrollo de placas PCB con el procesador ESP32 para recibir datos via bluetooth y enviarlos por wifi a la nube de diversos dispositivos.

This is going to be a data logging App. It'll be able to connect with a car (through a Bluetooth dongle) and send all the necessary commands to the onboard control units to communicate with it and extract information in real-time. This information will be Simplified and displayed over the App in a predefined format. Some of the Apps similar to this (For example- carista, Torque pro etc.) are already available on the play store....you can check them out.

Restaurant waiter robot Components: - A robot trolley up to 5 trays - Ultrasonic sensors - Motor (big stepper motor) - Infrared - Speaker - Button - Wifi / Bluetooth - LCD display - Lithium ion battery The robot need to follow the line drawn on the restaurant floor and move in one direction only. The shop worker will use a mobile phone to setup the shop layout with table numbers, charging station and pickup station. A simple console and report need to be shown in the App to indicate the battery percentage, distance travelled and tables served daily. The App can be used to instruct the robot to self charge at charging station. After shop worker enter the table number for each tray and press Go, the robot will follow the line and send the food to each table. When arrived at the tab...

I want to create a Bluetooth speaker that can be connected to a mobile. Dial to +[Removed by Freelancer.com] for a detailed description

I am facing a problem in connecting proximity sensor to Bluetooth headphone and sending sensor data to mobile. like I want that Bluetooth headset can connect to some sensor and within we can send sensor data through Bluetooth to the mobile app.

Hi Bhavya Sai D., I noticed your profile and would like to offer you my project. We can discuss any details. I got these sensors sending measurment data on bluetooth BLL, and i need a gateway that can take these bluettooth data and send them wia the internet to an api server. Is that something you are into

الاولية لمن يتحدث العربية محتاج مبرمج يشتغل على Java + flutter Swift + flutter لكي يعمل عملية وصل بين Bluetooth printer وبرنامج الflutter الوصل عن طريق Swift and Java not flutter الطبيق هو جاهز باقي عملية وصل الطابعة بلوتوث اجهزة الطابعة هي طابعة حرارية صغيره طابعة فواتير واجهزة سونمي v2 المكتبه الخاصة ب بأجهزة سونمي وهذي المكتبه الخاصة ب الطابعة الصغيره شكل الفاتوره في الصورة المرفقة

I need code to print Arabic font by Bluetooth printer . Use only C# with Xamarin Forms.

...through SMS and use of a progressive web application instead of client having to download the mobile application.    Information security is of key importance and therefore the infrastructure should be exceptionally difficult to infiltrate.    All access rights will be predefined for set duration and all information captured will be sent to primary control center. Access will be granted through Bluetooth or NFC for now, however, other hardware compatibility such as biometrics and RFID should also be possible.  3 layers will be constructed for this program:• Top layer - Central command center will have access to all information and can control all access rights• Middle layer - Access to limited information defined by the ...

I would like a simple project that contains the following modules: 1. Back Office (C#) a. Customer Register b. Item Register c. Cash Sales d. Order Registration e. Database Mysql 2. Android a. Order Registration b. Cash Sales c. Online/Offline Mode d. Should be able to Sync Items, Sales and Orders to the back office database when online ...project that contains the following modules: 1. Back Office (C#) a. Customer Register b. Item Register c. Cash Sales d. Order Registration e. Database Mysql 2. Android a. Order Registration b. Cash Sales c. Online/Offline Mode d. Should be able to Sync Items, Sales and Orders to the back office database when online e. Database Mysql f. Print to bluetooth p...

...playlists and favorites and synchronize it remotely using google/Facebook/apple Id/email with Firebase. Music player integrated with regular functions: • Play music, Next, Previous, Repeat, Play next automatically, show text or images corresponding to the hymn automatically, show current playlist playing. Music player can be used with the phone blocked, from the Music Control Center screen and by Bluetooth devices connected. Themes and colors available. (Night Mode, blue, pink, green, purple) Able to change the font size. Images and music files can be managed in one screen to be deleted/downloaded in group. Show ads (AdMob) Able to buy subscriptions to remove ads Please download the Android application and explore it, I'll require all the functions included there, it ...

...with 16 bit resolution. Preference is to have a socket for the Arduino (embedded Bluetooth and UART) or the ESP32 (embedded Bluetooth and UART) in the case of failure. Drawings, schematics, and GERBER files should be included as well as a bill of materials, along with two working prototypes. Bonus: it would be nice for battery powered, while charging from the same one usb input. Estimated battery life should be calculated for 24VDC at 20 ma load for a period of 8 hours . It would be nice to have a custom enclosure. It would be nice to have a small display voltage and amps out, up to 10ths of a volt and up to one milliamp. Modbus tcp over wifi if using the ESP32 would also be nice. Whatever the device I will build a UI for the PC and/or phone app to use. Dependin...

need an android as figured bellow and when i press print button, it must show print dialog from this projects :// and when i press print button, it must show print dialog from this projects and if i press print by bluetooth, it should print content of detail can read here

App requirements -Must communicate with Bluetooth devices to capture the local data, request can be single characters or hex codes -Programmable IO commands and URLs for Bluetooth and server/database communication -To capture and present the data from server in a selected graphical format -Master App or web based dashboard for user management -Email and SMS alerts -Login and password

I need code to print Arabic font by Bluetooth printer . Use only C# with Xamarin Forms.

Hi Stephan L., I noticed your profile and would like to offer you my project. Is this something for you. I got temperatur sensors running bluetooth BLE and I need a raspberry pi to collect the data and make it awaible via an api solution. The rest is already done. Is it something for you? The price we can talk about

I want an app that once connected via Bluetooth passes WiFi network parameters to my accessory device and configure buttons on it. I have developed the app via Web but want to create an Android App to do it. I am attaching the instructions with the difference that instead to connect WiFi to the device I would be connecting via Bluetooth, then pass the config parameters of the WiFi network and other config.

...to detect a person and the temperature of that person - Power control - Sleep mode, low power modes, Active modes - 5V Fan control - low speed, medium speed, max speed - Additional Limit switch to be added - Bluetooth and ESP32 experience essential - 5V battery - USB-C charging and Firmware update capability - Experience with innovative and exciting light panels Project 2: - Experience with Peltier modules and power control to those modules - Independently control multiple fans - Low speed, medium speed, Max speed - Experience with Step up and step down voltage and power - Bluetooth and ESP32 experience essential - 11.1V power supply - battery life preservation essential We are looking for a very high quality electronics expert, a successful project will lead to additi...

Write a bluetooth device locator, like AirTag, Tile, SmartTag, Chipolo. Code with Xcode 13, Swift 5. The app should run in the background even if the app is closed. Display a notification to the user if Bluetooth or location is turned off. Store each received Bluetooth frame in an array. When the Bluetooth scan finishes, send the table of received Bluetooth frames with the longitude and latitude of the current location of the IOS device to a TCP socket server. After server aknowledge empty the array. Use the startMonitoringSignificantLocationChanges () function to make it restart even after restarting the device.

I use Bluetooth mobile printer not support Arabic font so I print Arabic text as bitmap Requirements - Select logo from picture & print as top - Print multi lines Arabic text as bitmap - Print 3 size for text printed - Print QR Code from enter text as bottom - EscPOS format printer - 2 Paper width 80mm & 58mm - print via Bluetooth - Use only C# with Xamarin Froms Android & iOS - Printer with both Android and iOS - Project with Full Source

Connecting the mobile Bluetooth with another Bluetooth device and need to establish the communication ... Application need to send command to Bluetooth device and it will send some parameters as reply ,need to be updated on UI.

Hi, I have some Need based projects related to electrical engineering that needs to be done. Freelancer having experience in following Fields are encouraged to apply : - Basic electronics - micro controllers - PCB design - Bluetooth and wifi Thanks

...the sea war, the main character swim and survived the attack and escaped to america (first mission is escape this is the first mission) when character escapes 1 month later characters try to buy 2 aks and a high technology glasses (the glasses can preview to how to break a door and probably the shooters %40 1 enemy is true %20 2 enemy is true %10 all enemies true) and the gloves , gloves have bluetooth, can connect to glasses and control recoil for shooting 2 floors or 2 enemies but gun should be sideways and techonogy is to good mostly the doors and walls have a unbreakable object found on 2031 and most buildings using these for robbing issue but the main character cant afford 60000$ so he got a job steal a gun makes transport in water for pushing the water and pushing the other...

Looking for some bluetooth customization. Please see the below link for reference. We want to change the device information service characteristics. Please ping for further information and details. Regards, Murthy

To build a website and mobile app on both IOS and Android of a IoT healthtech project. We'd like to recruit a Web / Mobile App Developer. Can work on monthly basis as our developer on contract basis. One-time job also good. A web portal need a professional coder to enhance UX. ⁃ Written in Next Js ⁃ A barebone project will be provided which has all the contents readily fetched from CMS, eShop and login/register functions ready ⁃ Documents download in login zone ⁃ Be ready to propose 2 or more design templates to choose from The mobile app will provide all of the functionalities available at the portal (login/register, eShop) and in addition: ⁃ Allow customers which has purchased our products to upload receipt for products warrant ⁃ A series of chatbots with registered use...

I have small data packets (5 characteristics) to send from multiple devices to a central receiver over a long distance. I am interested in testing this with the BLE Long range available in the Nordic NRF52840 chip ...distance. I am interested in testing this with the BLE Long range available in the Nordic NRF52840 chip on the Arduino Nano 33 BLE (I have 2 of these boards now). Sending serial data from one device (peripheral) to the other (central) over Bluetooth. Distance must be maximized with Coded PHY at 125 kbps as well as transmit power maximized. Success will be measured in distance and reliability. Programming through the Arduino IDE is desired. It is desirable if this code can be transported to something like the Adafruit ItsyBitsy nRF52840 Express - Bluetooth...

Please advise to me can we develop and app that can work on an andriod phone any android phone where i could load my data to the app and save inside it then my agent...that on the next screen it ask to scan ID document barcode. Once it has scan the barcode it verifies with the data stored inside then displayes the full details of that ID number….then to next screen where we take a Facial picture of customer then next screen where we front of ID card next screen ask to insert the gift card number then save after saving then generate reciept and print it via bluetooth thermal printer after printing the take picture of receipt and save it after that the customer process is finished and the software saves the profile under a new folder with ID number name..every customer will ha...

I need a simple app that will only detect headphone buttons click, and print that in the console. The app should not be any media app, just Empty Activity and on button click (Volume up, Play/Pause, volume down - on Bluetooth headphones) print in the console.

Hello We are developing an electric scooter for which we are in need of professional to develop/design digital infotainment system (with outdoor LCD screen). It should contain digital speedometer, GPS navigation system, Bluetooth mobile connectivity and app based system We are specific to budget and timeline and we have thought about 2 ideas. Option 1: To program an Android based device by means of app programming to bring in all the necessary features Option 2: To find an reliable controller and outdoor display and to program the necessary features through the embedded software For clarifications please free to discuss Ramnath 9791599966

Hello We are developing an electric scooter for which we are looking for an embedded professionals to develop vehicle infotainment system that includes digital Speedometer, navigation systems, Bluetooth mobile connectivity, app monitoring systems Please let me know your interest Regards Ramnath (Removed by freelancer.com admin)

Preciso de configuração de buildroot e respetiva codificação para comunicação de uma RPi4 com um Android. Também é necessário um documento que mostre e explique as configurações usadas assim como o código implementado. É obrigatório: -> uso de buildroot -> programação em C e/ou C++ -> código simples, organizado e modular -> código comentado -> documento explicativo Para mais informações contactar.