Profile cover photo
You're now following
Error following user.
This user does not allow users to follow them.
You are already following this user.
Your membership plan only allows 0 follows. Upgrade here.
Successfully unfollowed
Error unfollowing user.
You have successfully recommended
Error recommending user.
Something went wrong. Please refresh the page and try again.
Email successfully verified.
User Avatar

Mohamed S.

@EngMohamedSaad99

0.0
0
0.0
0.0
0%

Electronics Design and Development PCB

$20 USD / Hour
Flag of
Egypt (1:09 PM)
Joined on September 3, 2023
$20 USD / Hour
## ? **Expert in Electronics Design and Embedded Firmware Development (PCB & Firmware Developer)** ### I am a PCB Designer and Firmware Developer I have extensive experience in PCB design and use advanced tools like **EasyEDA** and **Proteus** to design and develop electronic projects. #### ?️ My Expertise: - Started using **EasyEDA** in 2020, delivering innovative designs for clients worldwide. - Have over five years of experience with **Proteus**, using it for circuit simulation and project design. - Develop firmware in **C** for various microcontrollers, focusing on timing-critical applications. #### ✨ My Specialties: - Analog electronics design. - Mixed-signal circuit design. - High-speed and precision electronics design. --- ### ? Services I Offer: ✔️ Electronics hardware development and design. ✔️ Firmware development. ✔️ Prototyping and assembly of electronic systems. ✔️ Cost reduction and BOM optimization. --- ### ?️ PCB Design Tools: - **EasyEDA** - **Proteus** --- ### ? Firmware Development: - Programming in **C**. - Working with microcontrollers like **STM32**, **ESP32**, and **PIC** (various types). - Integrating wireless modules such as **Bluetooth**, **Wi-Fi**, **LoRa**, and **4G**. - Developing firmware for data acquisition and working with protocols like **SPI**, **I2C**, **UART**, **USB**, and **CAN**. --- ### ?️ Electronics Design: - Schematic and PCB layout design. - Selecting components for devices, including microcontrollers, regulators, capacitors, and resistors. --- ### ? Additional Expertise: - Mixed-signal and analog PCB design. - Designing data acquisition systems with MCUs and MPUs. - Ensuring compliance with EMI/EMC standards to reduce interference. --- ### ? Hardware Testing: - Device bring-up and testing. - Conducting lab-based tests with professional equipment, including: - **Oscilloscopes**. - **Digital and handheld multimeters**. - **Function generators**. - **Soldering and rework tools**. If you're looking for a reliable partner for your electronic project design and development, I'm here to help! ?
Verifications

Portfolio

Portfolio

12450079
12450077
12450075
12450072
12450057
12450052
12450079
12450077
12450075
12450072
12450057
12450052
Changes saved
0.0 · 0 Reviews
Reviews
No reviews to see here!
Experience
manager
Jan, 2019 - Jan, 2024
5 years
SAAD
Jan, 2019 - Jan, 2024
5 years
I design a high-quality PCB suitable for all projects
Jan, 2019 - Jan, 2024
5 years
Education
Higher Technological Institute 10th of Ramadan
2019 - 2024
5 years
engineering
Flag of
Egypt
2019 - 2024
5 years
Invite sent successfully!
Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2025 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.