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harsh-hw-dev/README.md

πŸ‘‹ Hi, I'm Harsh Saini

⚑ Embedded Systems β€’ Power Electronics β€’ High-Speed PCB Design Engineer

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🧠 About Me

βš™οΈ Hardware Design Engineer specializing in power electronics, embedded systems, and multi-layer PCB design. I build production-grade hardware, not just prototypes.

  • πŸŽ“ B.Tech – Electronics & Communication Engineering
  • πŸ’Ό 1+ year hands-on industry experience
  • ⚑ Core focus: SMPS, EVSE, BMS, Embedded Control
  • πŸ“ Strong in signal integrity, EMI-safe PCB layout
  • 🧠 Firmware + Hardware Co-Design (ESP32, STM32)
  • 🎯 Goal: Become a world-class Power & High-Speed Hardware Engineer

🧰 Tools, Languages & Platforms

Altium Designer Β Β  KiCad Β Β  OrCAD Β Β  ESP32 Β Β  C Β Β  C++ Β Β  Python


πŸ—οΈ Core Technical Strength

βœ” PCB Design: 1L to 6L boards
βœ” Power Electronics: Buck, Boost, Flyback, BMS, EVSE
βœ” Embedded Systems: ESP32, STM32, UART, SPI, I2C, CAN
βœ” Protection: OVP, UVLO, OCP, SCP, Reverse Polarity
βœ” EMI/ESD: TVS, CM Chokes, Y-Caps, Stitching Vias
βœ” Manufacturing: Gerbers, BOM, Pick & Place, DFM/DFA


πŸš€ Flagship Engineering Projects

⚑ 7.4 kW Single-Phase EVSE Power Board

  • 230VAC β†’ High-power AC load control
  • Isolated SMPS + Protection + Relay/Contactor Drive
  • EMI Filter + Surge + Grounding Strategy
  • Designed for AIS-138 / IEC Safety Concepts

⚑ 48V 16-Channel PWM Power Controller

  • ESP32-S3 based real-time PWM engine
  • MOSFET Gate Drive + Current Monitoring
  • Industrial connector system
  • EMI-safe power + control routing

πŸ”‹ Multi-Output Power Converter (12V β†’ 5V & 3.3V)

  • Linear + Switching regulation
  • Load transient tested
  • Noise-optimized analog rail

🌐 ESP32 IoT Sensor Node

  • Wi-Fi telemetry + OTA firmware updates
  • Deep-sleep low-power optimization
  • Sensor front-end filtering

🧠 Analog Signal Conditioning Board

  • Precision op-amp amplification
  • Active low-pass & band-pass filtering
  • ADC-ready scaling and buffering

πŸ§ͺ What I Actually Engineer

βœ” Power stage calculations
βœ” Inductor & MOSFET stress analysis
βœ” Copper thickness & current density
βœ” Return path & loop area minimization
βœ” Impedance & crosstalk control
βœ” Ground partitioning & stitching
βœ” EMI failure debugging & fixes


πŸ“Š GitHub Performance

GitHub Followers Β  GitHub Stars Β  GitHub Repos


πŸ“ˆ Most Used Languages

C Β  C++ Β  Python Β  Embedded C


🐍 Contribution Snake

snake animation


🌍 Connect With Me

Β  Β 


Power Hardware β€’ Embedded Control β€’ EMI-Safe PCB Design β€’ Production-Ready Mindset

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