Tehsinudin W.
Islamabad, Pakistan
97%
Job Success
Top Rated
Embedded Systems Developer | IoT Solutions Expert | Arduino, ESP32
$20.00/hr
Hi, I'm Tehsin!
A Freelance Embedded Systems Developer with 6+ years of experience in IoT, Arduino, STM32, and Raspberry Pi prototypes. I specialize in creating scalable, low-power embedded solutions, complete with 3D-printed enclosures and mobile app integration for Android and iOS. Whether you need firmware optimization, cloud connectivity, or a tailored RTOS solution, I’m here to help bring your product vision to life.
************************************ My Areas of Expertise **********************************
1. Microcontroller Programming
* Arduino, STM32, ESP32, and AVR-based systems
*Proficiency in C/C++, Python, and Visual Studio Code
2. IoT Development
* End-to-end solutions with MQTT, HTTP/HTTPS, and cloud platforms (AWS, Azure, Google
Cloud IoT)
* Wireless connectivity (BLE, Wi-Fi, LoRa, ZigBee, Cellular)
3. Hardware Design & Prototyping
* PCB layout, circuit debugging, and low-power optimization
* 3D modeling and printing for custom enclosures
4. Mobile App Integration
* Native Android and iOS app development
* Real-time monitoring, data visualization, and device control
5. RTOS & Real-Time Applications
* FreeRTOS for ESP32
* Custom scheduling systems for time-critical tasks
*********************************** Recent Accomplishments ********************************
1. Automated Irrigation System:
Reduced water usage by 30% for an agricultural client by designing an IoT-controlled system
using ESP32.
2. Smart Home Lighting System:
Integrated BLE-based ESP32 controllers with a mobile app for efficient home automation.
3. Wearable Health Monitoring Device:
Developed a low-power wearable with real-time data tracking for fitness and healthcare
applications.
4. Aircraft Heating System:
Designed an embedded solution for efficient temperature control in passenger aircraft.
5. Boat Automation System:
Built a custom automation solution for commercial boats, enhancing operational efficiency and
safety.
************************************ Why Hire Me? *******************************************
1. End-to-End Expertise:
From system design to final deployment, I provide complete support to ensure your project's
success.
2. Client-Centric Approach:
I focus on understanding your specific requirements to deliver tailored, high-performing
solutions.
3. Timely Delivery:
Meeting deadlines is a priority without compromising on quality.
4. Proven Track Record: Multiple successful projects completed with exceptional client
satisfaction.
************************************* What I Offer *********************************************
1. Customized Embedded Solutions
* Arduino, ESP32, STM32, Raspberry Pi, Raspberry Pi Pico, and Seeed nRF
2. IoT Integration
*Cloud connectivity (AWS, Azure, GCP) and secure data handling
3. Full Prototyping & Testing
* From concept validation to final product performance verification
4. Cross-Platform Mobile Apps
* Native Android and iOS development for intuitive device interaction
5. 3D Housing & Enclosure Design
*Functional, aesthetic, and durable cases using modern 3D printing techniques
Ready to transform your ideas into innovative solutions?
Let’s collaborate to bring your IoT and embedded projects to life with cutting-edge technology and exceptional design. Get in touch today, and let’s make your vision a reality!
Work history
Work history
Write a arduino driver for mcp2030
Feb 15, 2025
-
Apr 2, 2025
No feedback given
Private earnings
Custom PCB design consultation
Sep 23, 2024
-
Apr 2, 2025
No feedback given
Private earnings
Product Development Engineer
Jan 7, 2025
-
Apr 1, 2025
"Everything was great. Responsive, helped with my issues. Will come back for sure with any future projects."
Freelancer's response
"Thank you soo much sir, Will love to work with you on project again."
Private earnings
Update UI for a website on Arduino ESP32
Jan 21, 2025
-
Apr 1, 2025
No feedback given
Private earnings
Arduino IDE App UI
Sep 18, 2024
-
Apr 1, 2025
No feedback given
Private earnings
IoT
Jul 10, 2024
-
Apr 1, 2025
No feedback given
Private earnings
Microcontroller Integration: Arduino Pro Mini & ESP32-Cam
Feb 17, 2025
-
Apr 1, 2025
"Tehsinudin worked hard on our project and was able to accomplish all of the stated goals. At times there may have been some language differences, but he did excellent work…
Freelancer's response
"Thank you soo much Austin! It was wonderful experience working on this project and glad to have accomplished all the goals. "
Private earnings
ESP32 Dev board to ESP32S3
Feb 15, 2025
-
Mar 13, 2025
Freelancer's response
"Thank you sir"
Private earnings
Arduino programing help
Sep 10, 2024
-
Mar 11, 2025
No feedback given
Private earnings
Arduino programing help
Aug 7, 2024
-
Mar 11, 2025
No feedback given
Private earnings
BLE & Electronics Engineer for Ultra-Low Power Smart Lock System
Mar 20, 2025
-
Present
Job in progress
Private earnings
ESP32-Based Embedded Systems Course Curriculum Development
Mar 2, 2025
-
Present
Job in progress
Private earnings
Lockbox
Feb 24, 2025
-
Present
Job in progress
Private earnings
IMU Integration for Sports Equipment
Feb 22, 2025
-
Present
Job in progress
Private earnings
Arduino ESP32 with server setup to
Dec 27, 2024
-
Present
Job in progress
Private earnings
Arduino Open/Closed Sign with Web Control
Sep 26, 2024
-
Present
Job in progress
Private earnings
C++ short Arduino lab code
Sep 20, 2024
-
Present
Job in progress
Private earnings
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Skills
Skills
Project catalog
Get started working with Tehsinudin quickly with these predefined projects.
Get started working with Tehsinudin quickly with these predefined projects.
You will get Custom GUI & Display Solutions | Arduino, ESP32, STM32, Raspberry Pi
From $50
1 day delivery
You will get Versatile Web Server Interfaces using Esp 32
From $80
1 day delivery
You will get Code for Your Arduino Project
From $60
1 day delivery