Personal Portfolio

Building dependable IoT products from hardware to cloud.

I am Saroj Chaudhary, an IoT backend engineer, firmware developer, PCB designer, and educator. This portfolio is my personal space for presenting my journey, experience, and selected work, while my full articles, service details, and latest project updates live on my Blog.

What I Do IoT Backend Engineer
Personal brand

A concise introduction to my background, working style, and the engineering perspective behind the work featured here.

Core practice

Work centered on embedded systems, IoT integration, firmware development, hardware design, and practical deployment.

Next stop

For detailed project write-ups, technical articles, and service information, you can continue to the Blog.

Portfolio cover image for Saroj Chaudhary
Current roles Engineer and Lecturer
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Portrait illustration of Saroj Chaudhary

About Me

IoT and robotics enthusiast with a practical engineering mindset.

I enjoy turning ideas into reliable connected systems by combining electronics, firmware, backend workflows, and hands-on execution. My work balances field-ready hardware with usable software so each build can move from concept to real deployment.

Professional Overview

Practical IoT engineering focused on reliable hardware, firmware, and connected systems.

For more project details, technical articles, and service information, you are welcome to visit my Blog.

IoT backend engineering Firmware development PCB design Hardware integration Workshops and mentoring Web and Django support

Journey

Education and experience that shape the work.

My path combines electronics, software, and teaching. The result is a profile that is technical, practical, and comfortable across both field deployment and mentoring.

Experience

Current and previous roles

2025 - present

IoT Backend Engineer

Youth Innovation Lab, Kathmandu

2025 - present

Lecturer

Padmashree College, Kathmandu

2024 - 2025

IoT and Firmware Engineer

Muktinath iTech Company Limited, Kathmandu

2021 - 2024

IoT Developer

Nepatronix Engineering Solution Pvt. Ltd, Kathmandu

Education

Academic foundation

2025 - present

MSc in Computer Science

Nepal College of Information Technology

2017 - 2022

Bachelor in Electronics and Communication Engineering

Nepal Engineering College

2015 - 2017

+2 in Science

Koshi Saint James College

Services

Capabilities I offer across hardware, firmware, software, and learning.

This portfolio keeps the overview concise. Each service card points to my Blog for deeper details, updates, and collaboration paths.

Hardware Development

Custom electronics design, system integration, and practical hardware planning for reliable prototypes and deployable products.

Read more on Blog

Firmware Development

C and C++ based embedded development for Arduino, ESP, and ATmega-class platforms with sensor, display, and connectivity workflows.

Read more on Blog

PCB Design

Single, double, and multi-layer PCB layout work with attention to signal integrity, manufacturability, and space-conscious design.

Read more on Blog

Web Interfaces

Clean interfaces that help users monitor, understand, and interact with devices, telemetry, and product-facing web experiences.

Read more on Blog

Django and Backend Integration

Backend workflows for IoT data, device connectivity, APIs, and web platform support using Python and Django.

Read more on Blog

Project Guidance and Workshops

Hands-on support for students, learners, and teams working on embedded systems, IoT applications, and practical engineering builds.

Read more on Blog

Skills

Concrete tools and domains instead of generic rating bars.

These are the technologies, workflows, and delivery areas that appear repeatedly in my work.

Languages and development

C C++ Python HTML CSS JavaScript Node.js Django

Embedded and connectivity

ATtiny ATmega STM32 ESP8266 ESP32 Raspberry Pi Wi-Fi GSM Zigbee UART I2C SPI RS232/485

Product and hardware workflow

Flow definition and proof of concept Hardware and firmware development Testing, validation, and manufacturing

Delivery and teaching

University lecturing Technical workshops Project mentoring Applied lab guidance System documentation

Selected Projects

Representative builds across monitoring, automation, and connected products.

A short selection of practical IoT, embedded, and automation projects from concept to deployment.

Versatile data logger project

Offline logging and cloud sync

Versatile Data Logger

A reliable data logger that stores information to an SD card while also supporting cloud storage for flexible remote access.

See full project
Compact weather station project

Environmental monitoring

Compact Weather Station

An embedded weather station with GSM and Wi-Fi connectivity plus solar and AC power for continuous monitoring.

See full project
Smart farming module project

Agriculture and automation

Smart Farming Module

A smart agriculture concept aimed at improving productivity while conserving resources and supporting sustainable farming practices.

See full project
Air purifier control project

Air quality control

Air Purifier Control

An air purifier control system using PM sensors, a HEPA filter, an AC fan, and an OLED display for live feedback.

See full project
LoRa based alert system project

Long-range alerting

LoRa Based Alert System

A LoRa-based alarm system using ATMega328P and SX1278 with ultrasonic sensing for water-level monitoring and remote alerts.

See full project
Automatic key trigger system project

Automotive automation

Automatic Key Trigger System

A control system that activates a vehicle TV screen on key detection and powers it down after a set period of inactivity.

See full project
RFID attendance system project

Identity and server sync

RFID Attendance System

A portable attendance solution capable of handling large ID volumes while publishing synchronized records to a server.

See full project
Early warning system project

Wireless disaster alerting

Early Warning System

A wireless alerting setup designed for disaster-prone areas with support for multiple connected slave units.

See full project
Gold and silver price display board project

Live display system

Gold and Silver Price Display Board

A dynamic display board designed to provide live and readable updates for precious metals pricing environments.

See full project
Sanitary pad vending machine project

Button, card, and IoT control

Sanitary Pad Vending Machine

A vending machine concept with push-button, ID card, and IoT-based control options for easy deployment and access.

See full project
RC delivery robot project

Pandemic response prototype

RC Delivery Robot

A remote-controlled delivery robot built during the Covid-19 period to support practical delivery use cases in sensitive environments.

See full project

Blog

Projects, articles, and detailed updates continue on the Blog.

The Blog brings together project breakdowns, technical articles, service details, and ongoing updates. If you would like a deeper view of my work and current focus, it is the best place to continue.

Articles and tutorials

Guides, board manager instructions, technical notes, and practical lessons from field work.

Services and collaboration

Service details, workshop offers, and clearer routes for business conversations and project requests.

Latest launches

New projects, product updates, deeper case studies, and the newest work beyond this portfolio snapshot.

Contact

Open for meaningful engineering work, workshops, and collaboration.

If you would like to connect, discuss a project, or explore collaboration, you can continue through my Blog or professional channels below.