R&D Embedded software engineer with 2 years of experience in digital power applications. 4 years experience in embedded systems

1. Mohammed Ahmed Azzaz
E-mail:Mohammedazzaz95@gmail.com Mobile: +2 01112429760
Military Service: Exempted Date OF Birth : March 1st
,1995
Work Experience
o R&D Embedded Software Engineer at Smart Power company (June 2019 –present)
Design & Development of software modules for Electrical Power Devices & Solutions for Electrical Power systems :
-Testing devices in Substations & Solar System.
-DC/AC Power supplies and meters.
Education
o BSc. Of Electrical Engineering (2014-2019)
Faculty of Engineering – Helwan University
Graduation Project (Sept.2018-July 2019)
Automated Parking Garage (rotary design) : Electrical Control , Load & Torque Estimation
Control using: PLC,Driver,HMI,AVR Micorcontroller.
o General Egyptian Certificate Of Secondary Education (2010-2013)
Projects
o Variable 3-Ph AC Power Supply. (Using STM32f0 – Arm Cortex M0 processor) (Schneider Electric Project)
Designing of :
-Firing thyristors module throughout One pulse mode (OPM) timers to achieve desired value.
-Measurement module throughout 12-bit ADC (SAR Type) triggered by GPT with the assistance of DMA.
-PID Controller for feedback.
-HMI Interfacing module.
o 3-Ph Inverter (Using STM32f0 – Arm Cortex M0 processor) (under development)
Designing of inverter module through PWM (bipolar sinusoidal PWM : 3 timers and their inverses)
changing :
-Phase shift (through sinwave array)
-Voltage (through deadtime , duty cycle )
-Frequency (through timers period taking reference of carrier frequency )
o Data logger (Using STM32f1 – Arm Cortex M3 processor) (Siemens Project)
Designing of :
-Measurement module (12 bit SAR ADC-DMA assistance ) , displaying measurements throughout HMI.
-SD card module to store all the data through SPI.
-Control module for safety conditions and data verification.
o DC Battery Charger. (Using STM32f0 – Arm Cortex M0 processor) (Siemens Project)
Designing of :
-Charging algorithm changing from voltage mode to current mode throughout analog control with DAC.
-Measurement module (12 bit SAR ADC-DMA assistance ) , displaying measurements throughout HMI.
o RTK – Annunciator. (Using STM32f1 – Arm Cortex M3 processor) (Ministry Of Electricity Project)
System Faults indicator through HMI displaying.
-Storing critical faults in flash memory to retrieve in case of power cut off.
-Printing faults & values (excel files) through SD Card module through SPI.
o DC Power Supply (Using STM32f0 – Arm Cortex M0 processor) (Ministry Of Electricity Project)
Designing of :
-Control unit module for analog control of HW power supply throughout DAC.
-Measurement module (12 bit SAR ADC-DMA assistance ) , displaying measurements throughout HMI.
o Digital Load Bank (Using STM32f1 – Arm Cortex M3 processor) (Smart Power Project)
Design of :
-ON/OFF control module for changing equivalent resistance of load for performance test of generators.
-Measurement Module (12 bit SAR ADC-DMA assistance ) , displaying measurements throughout HMI.

2. o Door Locker System (Using Atmega16) (Diploma Project)
Two ECU’s communicate through UART
1st
- HMI : interfacing with keypad 4x4 and LCD 2x16 (password verification then take action through control ECU).
2nd
-Control : interfacing with EEPROM through I2C ,taking action through buzzer and motor.
Courses & Diplomats
o Embedded Software Diploma : (oct-2018)
-Basic Concepts of Embedded Systems.
-C Programming.
-Data Structures (Linked-List, Stack and Queue).
-AVR Micro-controllers Interfacing –Atmega 16&32 ( Basics ,LCD ,Keypad , ADC ).
-Communication protocols (USART, SPI , I2C , ICU ).
-C For Embedded Applications (Embedded C).
-Real Time OS(RTOS).
-Software Engineering.
o ARM Architecture Course : (2019)
-ARM Architecture and Programming Model.
-SysTick Timer driver
-PLL Driver
-NVIC System:
TM4C Edge Triggered Interrupts.
SysTick Interrupts.
Fault Exceptions.
Software Interrupts.
-DMA
o Other Courses & Self learning topics
-AC/DC motors control & Sensors.
-HMI Programming
-STM Microcontrollers (STM32F0,F1,F4)
-Texas Instruments (Tiva C : TM4C)
-Interfacing (ADC-DMA-Timers-DAC-SD Card using SPI)
-Debugging using Keil & IAR IDE (breakpoints-Core reg.-memory watch)
o Automotive and AUTOSAR Device Drivers Course
-AUTOSAR Layered Architecture.
-AUTOSAR Device Drivers.
-AUTOSAR and C Misra Rules.
-Automotive buses Lin and Can.
-Implement Dio and Port AUTOSAR Driver for TM4C Micro-controllers.-
Languages
o English (Fluent)
o German (A1,A2)
Internships
o EGYPTAIR
Electrical Maintenance & Testing Of ECU in Aircrafts
o 3Brothers
Electrical Design & Distribution of lighting & manufacturing process
Extracurricular Activities
o Logistics Volunteer at STP (Sept.2014-April 2015)
o Multimedia Volunteer at IEEE Helwan Student Branch (Jan.2015-May 2015)
o Fundraising at STP (Jan.2016-May 2016)
o Multimedia Director at IEEE Helwan Student Branch (Sept.2015-May 2016)