PCB Design
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PCB DESIGN PORTFOLIO

PCB Design Portfolio

Custom PCB designs from concept to production using EasyEDA. Schematics, layout, routing, and Gerber generation for various IoT and embedded systems projects.

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PCB Design Process

My Design Methodology

I follow a systematic approach to PCB design using EasyEDA, ensuring every board is optimized for performance, manufacturability, and reliability. From initial concept to final Gerber files, each step is carefully executed with attention to detail.

1
Requirement Analysis
Understanding project needs, constraints, and specifications
2
Schematic Design in EasyEDA
Creating circuit diagrams with proper component selection
3
Component Placement
Strategic placement for optimal signal integrity and thermal management
4
Routing & Layout
Careful trace routing with impedance control and noise reduction
5
Design Rule Check
Verifying manufacturability and electrical compliance
6
Gerber Generation for JLCPCB
Preparing fabrication files specifically for JLCPCB manufacturing

Tools & Manufacturing

Primary Design Tool

EasyEDA

Complete PCB design workflow from schematic to Gerber generation

Key Skills

Power Integrity
Signal Integrity
Thermal Management
EMI/EMC Considerations

Manufacturing Experience

JLCPCB
Primary PCB manufacturer for all projects
Gerber file optimization for JLCPCB specifications

PCB Design Projects

Main Controller

IntelliCradle Main Control Board

4-layer PCB for AI Baby Monitoring System

ESP32 Power Management Sensor Array 4-Layer PCB I2C/SPI USB-C WiFi/BLE

Advanced 4-layer main control board for the IntelliCradle AI baby monitoring system. Features dedicated power and ground planes for superior noise immunity, high-speed signal routing between ESP32 and multiple sensors, and optimized thermal management for continuous operation.

Design Features
  • 4-Layer Stackup: Signal-GND-Power-Signal with impedance control
  • Advanced Power: Dedicated power plane with decoupling capacitors
  • Multi-sensor Integration: Temperature, humidity, sound, motion sensors
  • Enhanced ESD Protection: TVS diodes on all external interfaces
  • Optimized Routing: 90° trace angles, proper via stitching

Design Achievement: Successfully transitioned from 2-layer to 4-layer design, achieving superior signal integrity and noise reduction for sensitive analog sensor circuits.

IntelliCradle Schematic
Schematic Diagram
IntelliCradle PCB Routing
PCB Routing
IntelliCradle 3D View
Front Side
PCB Front
Front View
PCB Back
Back View

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Home Automation Schematic
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Complete Schematic
Full circuit diagram with component connections
Schematic Diagram
Home Automation PCB Routing
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PCB Routing
Home Automation Front View
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Front Side
Home Automation Back View
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Back Side

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Touch Interface

Smart Home Touch Control Panel

2-layer capacitive touch interface PCB

ESP32 Capacitive Touch TTP223 LED Indicators Relay Control 2-Layer

Wall-mounted touch control panel for home automation system featuring capacitive touch buttons, status LEDs, and relay control circuitry for appliance switching. Designed in EasyEDA with detailed schematic and routing diagrams for clear visualization.

Design Features
  • Touch Interface: 8 capacitive touch buttons with TTP223 ICs
  • Visual Feedback: RGB LED indicators for each channel status
  • Relay Control: 8-channel relay module for 220V AC switching
  • Wireless: ESP32 for WiFi connectivity and remote control
  • Power: 5V USB input with voltage regulation circuit

Safety Design: Implemented proper isolation and creepage distances for safe 220V AC control on a 2-layer board.

Wearable Device

Gesture Presentation Controller

Wearable PCB for hand gesture recognition

ESP32 MPU6050 TTP223 Li-ion Charging Compact Design 2-Layer Bluetooth

Compact wearable PCB for gesture-based presentation control featuring IMU for motion detection, capacitive touch for mode switching, and Bluetooth connectivity. This project represents my learning journey through multiple design iterations and improvements.

Design Features
  • Motion Sensing: MPU6050 gyroscope/accelerometer for precise gesture detection
  • Power System: 3.7V Li-ion battery with TP4056 charging circuit
  • Mode Control: TTP223 capacitive touch for intuitive mode switching
  • Connectivity: ESP32 Bluetooth for wireless communication with PC
  • Form Factor: Compact 50mm × 40mm board with rounded corners
Gesture Controller Schematic
Schematic Diagram
Gesture Controller PCB Layout
PCB Layout
Gesture Controller 3D View
3D Preview
PCB Front
Front View
PCB Back
Back View

PCB Design Statistics

Total PCBs

6+

Designed & Fabricated

Layer Types

2 & 4 Layer

Multi-layer Expertise

Components

70+

Per Board Average

Success Rate

95%

Final Design Working

Design Capabilities

Digital Circuit Design 95%
Analog Circuit Design 85%
Power Supply Design 90%
Mixed-Signal Layout 88%

EasyEDA Proficiency

Schematic Design & Capture
PCB Layout & Routing
Gerber File Generation
Design Rule Checking (DRC)
Component Library Management

Need Custom PCB Design?

Have a circuit design in mind? Let's collaborate to create custom PCBs optimized for your specific requirements using EasyEDA and JLCPCB manufacturing.

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