Abdelfatah M. Profile

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4,9

(3 recenzii)

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Adresa de e-mail a fost confirmată.

$10 USD/oră

giza,

egypt

$10 USD/oră

Momentan, aici e ora 5:43 p.m.

S-a înregistrat pe iunie 15, 2018

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Abdelfatah M.

@AbdelfatahM

4,9

(3 recenzii)

2,0

100%

$10 USD/oră

giza,

egypt

$10 USD/oră

100 %

Proiecte finalizate

100 %

Conform bugetului

100 %

La timp

Indisponibil

Rata de angajare repetată

embedded systems engineer

I am an Embedded systems engineer. I have worked with • PIC micro-controller (16F877A chip) • AVR micro-controller (ATMEGA chips) • ARM micro-controller (TIVA C TM4C123GXL) Using ATMEL studio I have worked with different projects • Helperbot (autonomous navigation and object detection). • Variable output Power Supply. • 7-segment clock displays date, time & temperature. • PID Controller. • FM Modulator (Analog Electronics). • Smart home using (PIR, temp. sensor, IR sensor, motors, door lock, alarm, bluetooth). • Robotic arm. • U2F PCB layout. • nodemcu for controlling remotely through wifi. • ESP interfacing with arduino, also using bluetooth module for remote control. • Dealing with different types of motor encoders. • Amplifiers using (BJT and OPAMP). • Random frequency amplifier.

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Portfoliu

This project have the following tasks:
- Generates random frequencies in specified range.
- control volume of sound using GUI and using potentiometer.
- set frequency range using GUI.
- amplifier circuit for driving 8 ohm speaker.

random_frequency_amplifier

PCB layout

This is a sample code for using timer as an internal interrupt that trigger a LED connected to PIC during time determined by this this timer.

PIC_Timer1

I used a wooden model that represents a home structure then I installed into it alot of components including:
1. PIR (motion detection sensor) that detects motion and triggers a speaker for security.
2. IR sensors for detecting the incoming persons to open the door and for counting the number of persons inside home. If the number of persons exceed a certain limit, the system will turn on a fan.
3. Temperature sensor that measures the temperature. If the temperature exceeds a certain limit, the system will also turn on a fan.
4. LCD for displaying the temperature and the number of persons inside the home.
4. Bluetooth for remote control of all system.

smartHome

The robotic arm consists of:
1. (1) servo motor with angle 360 degree at the base of robotic arm for rotation.
2. (2) servo motors for bending.
3. (1) servo motor for controlling gripper movements.
4. joystick for controlling the movements of the robotic arm.

Robot arm

random_frequency_amplifier

PCB layout

PIC_Timer1

smartHome

Robot arm

Recenzii

Modificările au fost salvate

Se afișează 1 – 3 din 3 recenzii

Filtrează recenziile în funcție de:

5,0

€50,00 EUR

Design of random frequency modulation device

Very expert about electronic design and developement. I'm very satisfied with project.

Robert R.

@roby1974

•

5 ani în urmă

5,0

$25,00 USD

Frequency Divider

Offered a fast and clean solution, thanks a lot

Engineering

Electronics

Microcontroller

Electrical Engineering

Erkan K.

@bjk571

•

5 ani în urmă

4,2

₹1.000,00 INR

Arduino based blind man stick multisensor3

Good and fast work by him!

C Programming

Electronics

Microcontroller

Electrical Engineering

Arduino

Ashish K.

@mashish83

•

5 ani în urmă

Experiență

Benha university

dec. 2016 - Prezent

Main activities and responsibilities include: Teaching an electronics course to the college student at 3th year. Teaching an electromagnetic waves course to the college student at 3th year. Teaching an Optical fiber course to the college student at 5th year.

fixed solutions

mai 2018 - mai 2019 (1 an)

I was responsible for solving problems that face the company and developing some products. • Develop algorithm that detects Dos, zombies, and DDOS attacks, and track the path of attacker. • Develop a new device that depends on a U2F authentication key but with some modifications and finger print feature to increase the security.