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Sherifred123/README.md

Hi , I'm Sherifred Singh

Embedded Software Developer | Industrial Automation Firmware | PIC • STM32 • ESP32

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Email • GitHub • LinkedIn

⚡ About Me

I’m an Embedded Software Developer from Coimbatore, India, with 7 years overall industry experience and ~5 years in firmware development.
I build production-ready embedded systems for industrial automation — focused on reliability, real-time control, and clean peripheral integration.

  • 🧠 Strong in Embedded C, MCU peripherals, interrupt-based firmware
  • 🔧 Hands-on with debugging, PCB testing, soldering (SMD & Through-hole)
  • 💡 Interested in RTOS, STM32, Linux basics, and scalable firmware architecture
  • 🎯 Goal: move into a stronger product-based embedded company

🛠 Core Skills (Embedded Focus)

👨‍💻 Programming

  • C / Embedded C
  • Firmware design (modular drivers, state machine logic)
  • Optimization (execution efficiency, code size reduction)

🧩 Microcontrollers

  • PIC16 / PIC18 (PIC16F887, PIC18F46K22)
  • STM32 (STM32F103C6 - Bluepill)
  • ESP32, Arduino

🔌 Protocols & Interfaces

  • UART • SPI • I2C • Bluetooth
  • RTC integration (DS1307 / DS3231)
  • Sensor interfacing & signal validation

🧰 Tools

  • MPLAB X IDE • MikroC • Keil
  • STM32CubeIDE / CubeMX
  • Arduino IDE
  • Oscilloscope / Multimeter debugging

🏭 Featured Projects (Industrial Firmware)

🔹 Automatic Transfer Switch (ATS) Controller

  • Interrupt-driven firmware on PIC18 MCU
  • Reliable detection of undervoltage + phase imbalance using calibrated ADC sampling
  • Deterministic multi-state switching logic with break-before-make safety
  • Generator control: crank/recrank, warm-up/cool-down, EEPROM configuration

➡️ Embedded + power automation focused firmware project

🔹 Textile Loom Production Monitor (16 Loom Logger)

  • Real-time monitoring and shift-wise logging for 16 textile looms
  • GLCD dashboard UI + configuration menu
  • RTC timestamping + EEPROM storage
  • Power-fail safe data handling

➡️ Repo: textile-loom-production-monitor

🔹 Temperature Controllers (Industrial)

  • Multi-stage compressor temperature controller on PIC18F46K22
  • Sensor interfacing: NTC (ADC), DS18B20 (1-Wire), MAX6675 (SPI)
  • Parameterized control logic (alarms, differential, delays, sequencing)

📊 GitHub Activity & Metrics

GitHub Streak GitHub Profile Details


⭐ "I build firmware that must work — even when power fails, signals are noisy, and timing matters."

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