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$25 USD / hour
Flag of INDIA
rajkot, india
$25 USD / hour
It's currently 6:27 AM here
Joined June 18, 2016
0 Recommendations

Vivek K.

@kaloliyavivek

 4.9 (9 reviews)
4.4
4.4
80%
80%
$25 USD / hour
Flag of INDIA
rajkot, india
$25 USD / hour
100%
Jobs Completed
100%
On Budget
84%
On Time
N/A
Repeat Hire Rate

IoT Expert | Professional Firmware Developer

I am an embedded developer with 7+ years of experience. Throughout my career, I've worked on a diverse range of projects such as IoT sensors, Home & Industrial automation, Health monitoring device etc. I have team of experienced Mobile & Web app developers. ********** Expertise ********** Boards & SoC • Experienced in Allwinner A10 and Raspberry Pi boards. • Experienced in Arduino Boards. • Experienced in Wi-Fi SoC: CC3200. • Experienced in BLE SoC: CC254x, nRF51xxx & nRF52xxx. • Experienced in other SoC: AVR, PIC, STM32 series, ESP32 and ESP8266. Technologies & Wireless IoT Network Protocols • Experienced in MQTT protocol. • Experienced in ZigBee & RFID. • Experienced in OTA & DFU (for remote firmware update). • Experienced in classic Bluetooth based product development. • Experienced in BLE4 & BLE5 based product development (i.e. Health monitoring devices, beacons and trackers). • Experienced in Wi-Fi based product development (IoT products). Other OS & Communication protocols • Experienced in Zephyr OS. • Experienced in I2C (TWI), I2S, SPI, DMA, CAN and Serial Protocol. Mobile & Web development • Experienced in Android & IOS Application development. • Experienced in Web development (including Frontend, Backend and DB management). • Experienced in Flutter. Others • Experienced in PCB Designing. • Hands on experience on Robotics. *******************************
Freelancer Electronics Engineers India
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Portfolio

9319708
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
9319703
- IoT Sensor buildup based on Nordic nRF52840. It has temperature sensor (a lot more in future i.e. humidity, pressure, accelerometer etc.). - Periodically measures temperature at user defined time interval and transmit to it's receiver (we have designed a special receiver based on ESP32). - We have used encrypted data format to transmit data to it's receiver.
IoT Sensor
- IoT Sensor buildup based on Nordic nRF52840. It has temperature sensor (a lot more in future i.e. humidity, pressure, accelerometer etc.). - Periodically measures temperature at user defined time interval and transmit to it's receiver (we have designed a special receiver based on ESP32). - We have used encrypted data format to transmit data to it's receiver.
IoT Sensor
- IoT Sensor buildup based on Nordic nRF52840. It has temperature sensor (a lot more in future i.e. humidity, pressure, accelerometer etc.). - Periodically measures temperature at user defined time interval and transmit to it's receiver (we have designed a special receiver based on ESP32). - We have used encrypted data format to transmit data to it's receiver.
IoT Sensor
- IoT Sensor buildup based on Nordic nRF52840. It has temperature sensor (a lot more in future i.e. humidity, pressure, accelerometer etc.). - Periodically measures temperature at user defined time interval and transmit to it's receiver (we have designed a special receiver based on ESP32). - We have used encrypted data format to transmit data to it's receiver.
IoT Sensor
9319708
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
- Sprinkler controller buildup based on ESP32. It has LCD, valve status indicator and network status indicator as well. - Valve will be operable via scheduler, mobile application & web portal.
Sprinkler controller
9319703
- IoT Sensor buildup based on Nordic nRF52840. It has temperature sensor (a lot more in future i.e. humidity, pressure, accelerometer etc.). - Periodically measures temperature at user defined time interval and transmit to it's receiver (we have designed a special receiver based on ESP32). - We have used encrypted data format to transmit data to it's receiver.
IoT Sensor
- IoT Sensor buildup based on Nordic nRF52840. It has temperature sensor (a lot more in future i.e. humidity, pressure, accelerometer etc.). - Periodically measures temperature at user defined time interval and transmit to it's receiver (we have designed a special receiver based on ESP32). - We have used encrypted data format to transmit data to it's receiver.
IoT Sensor
- IoT Sensor buildup based on Nordic nRF52840. It has temperature sensor (a lot more in future i.e. humidity, pressure, accelerometer etc.). - Periodically measures temperature at user defined time interval and transmit to it's receiver (we have designed a special receiver based on ESP32). - We have used encrypted data format to transmit data to it's receiver.
IoT Sensor
- IoT Sensor buildup based on Nordic nRF52840. It has temperature sensor (a lot more in future i.e. humidity, pressure, accelerometer etc.). - Periodically measures temperature at user defined time interval and transmit to it's receiver (we have designed a special receiver based on ESP32). - We have used encrypted data format to transmit data to it's receiver.
IoT Sensor

Reviews

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Showing 1 - 5 out of 9 reviews
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4.6
$220.00 SGD
Project for Vivek K. -- 2
He completed his MQTT IOT gateway work on time and on budget.
Wireless
Electronics
Microcontroller
Software Architecture
PCB Layout
+1 more
User Avatar
Flag of Ben L.
@benlim79
•
3 years ago
5.0
$403.20 USD
Mongoose-os device design
Hard working, great specialist. I will work with Vivek again if needed.
Electronics
User Avatar
Flag of Zbigniew J.
@gibzwein
•
3 years ago
5.0
$120.00 AUD
Project for Vivek K. -- 2
Very helpful and understand the technical components of the project. Will definitely use them for the next stage.
Wireless
Electronics
Microcontroller
Software Architecture
PCB Layout
+1 more
M
Flag of Matthew G.
@mrgtir
•
5 years ago
5.0
$260.00 AUD
Arduino Gyroscope project
Very good, understood everything 10/10 service
Electronics
Microcontroller
Electrical Engineering
Arduino
User Avatar
Flag of Daniel A.
@AOLP
•
5 years ago
5.0
₹10,000.00 INR
Project for Vivek K.
.....
C Programming
Wireless
Electronics
Software Architecture
PCB Layout
+1 more
D
Flag of Dileep R.
@drdileep84
•
5 years ago

Experience

Sr. Embedded Engineer

Corefragment Technologies
Jan 2017 - Present
Working on IoT based Produt. Working on BLE 4.0 & 5.0 firmware development. Working on Raspberry Pi and Olimex Allwinner A10 board.

Embedded Engineer

Sofcon India PVT. LTD.
Jun 2016 - Dec 2017 (1 year, 6 months)
Work on Robotics. Work on Arduino, PIC, AVR and 8051 based Product.

Education

Electronics and Communication

India 2013 - 2016
(3 years)

Diploma in Electronics and Communication

India 2010 - 2013
(3 years)

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Top Skills

Electronics 8
PCB Layout 6
Wireless 5
Software Architecture 5
Microcontroller 4

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