Mohamed Alshafie

Senior Embedded Systems & IoT Engineer

9+ Years of Innovation • From Egypt to Global Markets

Industrial IoT LoRaWAN Expert AWS IoT Ultra-Low Power Multi-Protocol Safety Systems

🏆 Flagship Projects

PREMIUM

Mining Vehicle Safety Control System

2023 • Industrial Safety
Led development of a distributed CAN bus system for mining vehicles to monitor dust levels and control exhaust fans. The system maintains environmental equilibrium through differential pressure measurement and automated fan control, ensuring worker safety in hazardous mining environments.
🎯 Safety-critical system protecting mining workers from dust exposure
CAN Bus Nextion HMI OTA Updates Mobile App Environmental Sensors

Key Achievements:

  • Distributed architecture across vehicle systems
  • Real-time dust level monitoring and response
  • Over-CAN firmware update capability
  • Smartphone integration for remote logging
INNOVATIVE

Multi-Protocol Ultra-Low Power Notification Device

2024 • IoT Communication
Designed an intelligent notification device with adaptive connectivity: WiFi → NBIoT BG95 LTE → LoRaWAN fallback. Features protobuf data handling and eInk display for environments where mobile phones aren't practical or desired.
⚡ Adaptive protocol switching ensures 100% connectivity coverage
NBIoT BG95 LoRaWAN WiFi Protobuf eInk Display Ultra-Low Power

Technical Innovation:

  • Intelligent protocol selection algorithm
  • Protobuf data serialization from server
  • eInk display for minimum power consumption
  • Mobile-free notification system
RECORD

4+ Year Battery Life LoRaWAN Water Sensor

2021 • Industrial IoT
Achieved industry-leading 4+ year battery life on 2800mAh battery using Silabs EFR32. Implemented adaptive network joining with intelligent fallback: LoRaWAN → ESP32 relay → AWS IoT Core. Solved critical hardware power leakage issues through meticulous debugging.
🔋 4+ Year Battery Life - Industry Leading Performance
Silabs EFR32 LoRaWAN AWS IoT Core Ultra-Low Power Otii-Arc Analysis

Performance Records:

  • 4+ year battery life proven with Otii-arc
  • Adaptive network joining with backoff algorithms
  • Hardware power leakage detection and resolution
  • Sub-microamp sleep current achievement

Automated Inventory Vision System

2022 • Computer Vision + IoT
Led development of automated inventory imaging system using RevPi with 2-axis motorized positioning. System captures and stitches images of 2+ meter inventory using OpenCV, uploads to AWS S3 for AI team analysis and dashboard integration.
RevPi OpenCV AWS S3 Motor Control Image Stitching

System Integration:

  • 2-axis automated positioning system
  • OpenCV panoramic image stitching
  • Cloud integration for AI processing
  • Industrial automation deployment

💼 Professional Systems

Advanced Queuing & Call Management System

2018-2019 • System Integration
Designed and developed complete queuing system with touch interface, POS printing, RS485 communication, MP3 audio, and cloud integration. Successfully reverse-engineered competitor protocols to enable seamless third-party device integration.
Touch Interface RS485 POS Printing MP3 Audio Cloud Integration Protocol Analysis

System Features:

  • Multi-language support (English/Arabic)
  • Reverse-engineered competitor protocols
  • Advanced configuration and logging
  • Virtual ticket cloud integration

IoT Multi-Protocol Data Converter Platform

2023 • Protocol Integration
Developed JavaScript-based payload conversion system supporting LoRaWAN, SigFox, and TCP devices. Created protocol-agnostic data normalization for backend dashboard integration, enabling seamless multi-vendor device support.
JavaScript LoRaWAN SigFox TCP/IP Data Normalization

LR1110 LoRaWAN SDK Development

2022 • SDK Development
Contributed to SDK development for Semtech LR1110 LoRaWAN module. Implemented low-level drivers, hardware abstraction layers, and API design for seamless integration with various embedded platforms.
C/C++ LoRaWAN SDK Design HAL Development API Design

Medical Motion Tracking Device

2023 • Healthcare IoT
Developed medical device for body part motion tracking using MPU9250 IMU. Implemented sensor fusion algorithms for accurate motion analysis with healthcare compliance considerations.
MPU9250 IMU Sensor Fusion Medical Device Motion Analysis

🔧 Industrial Solutions

Smart Parking Management System

2020 • Smart City
Developed intelligent parking system with barrier gate control, radar/loop sensors for vehicle detection, barcode reader integration, and server connectivity for fee calculation and management.
Radar Sensors Barcode Reader TCP/IP Payment System

Industrial Monitoring Suite

2022-2023 • Industrial IoT
Collection of industrial monitoring solutions: LTE-controlled relays, ultrasonic tank level monitoring, and proximity sensor-based production counting. All featuring cellular connectivity for remote monitoring.
LTE Connectivity Ultrasonic Sensors Proximity Sensors Remote Control

ADAS Vehicle Communication System

2016 • Graduation Project
Developed Advanced Driver Assistance System using sensor fusion for virtual mapping and collision prediction. Implemented nRF24L01 mesh networking for vehicle-to-vehicle communication with real-time data broadcasting.
nRF24L01 Sensor Fusion Collision Prediction Mesh Networking

Home Automation Legacy Projects

2016-2018 • Foundation Projects
Series of home automation projects including IR remote control systems, zero-crossing TRIAC dimmers, wireless water valve controllers, and Bluetooth-controlled appliances. Built using various MCUs and communication protocols.
PIC16F628A ATmega8A HC12 Wireless Bluetooth HC01 TRIAC Control

Ready to Solve Your Next Challenge?

Specializing in industrial IoT, ultra-low power systems, and multi-protocol connectivity solutions

Core Expertise

🔌 Connectivity:
LoRaWAN, NBIoT, WiFi, BLE, CAN Bus
☁️ Cloud Platforms:
AWS IoT Core, Lambda, S3, Certificates
⚡ Power Optimization:
Ultra-low power, 4+ year battery life
🏭 Industrial Systems:
Safety-critical, distributed architectures

📧 Contact: https://www.upwork.com/freelancers/muhammadshafiee
🌍 Available for remote projects worldwide