Rohan K. Profile

5,0

(1 arvostelu)

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$30 USD / tunti

new delhi,

india

$30 USD / tunti

Aika on tällä hetkellä 6:40 ap. täällä

Liittynyt lokakuuta 18, 2022

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Rohan K.

@RohanKamra1

5,0

(1 arvostelu)

2,8

100%

$30 USD / tunti

new delhi,

india

$30 USD / tunti

100 %

Suoritetut työt

100 %

Budjetin mukaisesti

100 %

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Uudelleenpalkkausaste

IoT Product Developer / Flutter developer

I have more than seven years of experience and I can assist you with the following tasks: ◆ Flutter Application for Android/iOS/windows or web-app ◆ Analog, embedded & mixed-signal designs ◆ Wireless and wired communication setup ◆ Firmware development ◆ Integration with custom desktop / mobile application (UI/UX) ◆ Integration with cloud services (IoT) ◆ Conceptualizing user-product interaction

Katso kaikki C Programmers paikassa India

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Portfolio

- App was developed in Flutter compatible with Android and iOS
- Bluetooth Low Energy interfacing
- BLE feature of ESP32 was used in hardware
- MTU size above 100 was used for communication

BLE App with ESP32 interface

-Single channel data acquisition system to record data from sensors like accelerometers, tachometers, displacement sensors.
-Data was required to be acquired at very high sampling rate (48k/samples and above) with resolution of 32bit.
-The data had to be made available through both Wired and Wireless connections.
-Separate Digital and Analog boards were designed.

Data acquisition system for tachometers and accelerometers

- Android app was designed for a home-automation hardware
- Multiple independent hardware devices can be issued
- Firebase was used for backend
- firmware was also developed for ESP8266

Home Automation Hardware + App Development

- Google Maps interface was integrated into an existing Flutter app
- Google APIs like nearby places, geocoding etc., were used
- Address search was implemented
- LIVE location was provided
- Marking of location, zoom and pan of graph

Flutter Google Maps

- Interfacing with Smart energy meters
- RS485
- Dashboard was developed using Flutter - cross platform app compatible with Android, iOS , Windows
- Cloud connection using AWS and NodeJS
- Multiple hardwares integrated into a single system

Energy Monitoring System - IoT

- Objective was to fetch data from a Pocket microphone and stream it live on an android application.
- Audio was acquired from a MEMS microphone through I2S. The data resolution was 16bit and the sampling rate was 44.1kHz.
- Microcontroller used for this project was ESP32. Using RTOS the data was acquired, filtered and transmitted.
- The communication was established through WebSocket protocol to transmit data locally.

44.1kHz audio from MEMS mic & Wirelessly streamed to android

Arvostelut

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Suodata arvosteluja:

5,0

₹20 000,00 INR

Seeking a Freelance IoT Device Developer for Industrial Monitoring System Upgrade

Rohan's performance in delivering the project was outstanding. His expertise in Flutter and embedded systems is remarkable. He managed to complete the project on time, demonstrating his efficiency and dedication. I am eager to collaborate with him again for future projects and wholeheartedly recommend others to consider working with him.

C Programming

Mobile App Development

C# Programming

C++ Programming

Bluetooth Low Energy (BLE)