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🧑‍💻 Author

👨‍🔧 Harsh Saini
Embedded Hardware & PCB Design Engineer
Focused on Electronics, Automation, and IoT Hardware Design.
Passionate about multilayer PCB layouts, signal integrity, and embedded innovation.

📍 Location: Haryana, India
🔗 GitHub: github.com/harsh-hw-dev
🧠 Specialties: PCB Design | Embedded Systems | Analog Design | Power Electronics

🚀 Let’s Connect

💬 Discuss Ideas: Hardware Design, Embedded Systems, and PCB Layouts
🐦 Twitter (X): @HarshSaini7129
📧 Email: saini.harsh.in@gmail.com
🌐 Portfolio (Coming Soon): harsh-hw-dev.github.io

⚙️ “Every layer tells a story — of electrons, innovation, and imagination.”
— Harsh Saini# ⚡ PCB DESIGN PROJECTS | ALTIUM DESIGNER

“From signal to silicon — shaping innovation through precision PCB design.”

🧠 Overview

This repository showcases a collection of professional PCB design projects built using Altium Designer.
Each design reflects practical applications in embedded systems, IoT, and hardware prototyping, featuring microcontrollers like ESP32 and STM32 at its core.

I started with 2-layer and 4-layer boards, focusing on compact layouts and efficient routing — and I’m now advancing to 6-layer and 8-layer high-performance boards optimized for signal integrity, EMI control, and high-speed communication.

⚙️ Technologies & Tools

Category Tools / Components
EDA Tool Altium Designer
Microcontrollers ESP32, STM32
Design Type 2-layer, 4-layer, 6-layer, 8-layer
Applications IoT Modules, Sensor Boards, Control Units, Power Modules
Additional Tools EasyEDA, Fusion 360 (for enclosure modeling)
Documentation GitHub + Altium Drafts + 3D PCB Previews

🧩 Project Highlights

🛰️ ESP32 IoT Module

  • Compact wireless module designed for Wi-Fi and Bluetooth connectivity.
  • Power-efficient design using ME6211 voltage regulators.
  • Integrated sensor interface and debugging headers.

⚙️ STM32 Core Board

  • High-speed STM32-based board with external oscillator and stable power design.
  • Optimized differential pairs for USB and communication lines.
  • Compatible with peripheral expansions and shield designs.

⚡ Upcoming — 6 & 8 Layer Boards

  • Aiming for multi-layer stack-ups optimized for:
    • High-speed data transfer
    • Controlled impedance routing
    • Power/signal layer isolation
  • Designed for professional-grade embedded hardware and AI/edge applications.

🧮 Design Principles

  • 🧠 Signal Integrity — optimized trace widths and differential pairs
  • 🔋 Power Stability — multi-stage decoupling and low-dropout regulators
  • ⚡ Compact Routing — via minimization and component symmetry
  • 🌍 EMI/EMC Compliance — ground planes, ferrite beads, and shielding layout
  • 🛠️ DFM Ready — fabrication-safe footprints and clearances verified

🧱 Repository Structure

🔮 Future Vision

“Designing tomorrow’s boards today.”

I aim to push the limits of PCB design with:

  • High-density multilayer boards
  • Embedded system optimization
  • Integration of analog and digital signal design
  • Preparing for industrial-grade hardware prototyping

🧰 How to Use

  1. Clone the repository: 
    git clone https://github.com/harsh-hw-dev/PCB_Design_Projects.git