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I will make hardware prototyping, schematic, pcb board designing, arduino, esp32, stm32
PCB Design and Hardware Prototyping STM32 ESP32 Firmware
Hi, I'm Maryam, an embedded systems engineer specializing in PCB design and hardware prototyping for electronic products. I design manufacturing-ready schematics and PCB layouts, develop STM32 and ESP...
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
What people loved about this freelancer
brytonatwood
United States
Maryam is my favorite! She continues to impress me and delivers exactly what I need! I’m so happy to have found Maryam and highly recommend working with her!
maverik85
United States
Maryam was great! I needed a PCB for a project and I have 0 experience building small electronics. I gave her a description of what I wanted and was nervous...
christiansturny
Switzerland
Maryam delivered a professional and high-quality PCB design for my ESP32-based environmental data logger. Throughout the project, she demonstrated excellent...
theroylee
United States
This is the start of a large job that I asked to be made into steps. But it is very clear that even by the rough draft, there is an exceptional level of understanding...
About this Gig
I design production-ready PCB, ESP32, STM32 and RF electronics systems optimized for performance and manufacturing.
From concept to prototype, I help you build reliable hardware including microcontroller boards, IoT devices, RF systems, and ultra-low-power designs ready for real-world applications.
What I Offer:
Complete PCB Design (KiCad / EasyEDA)
ESP32, ESP8266, STM32, Arduino integration
Power & Battery Design (LiPo, BMS, solar, low power)
Sensor Interfaces (Analog/Digital, I2C, SPI, UART, RS485, USB)
RF Design (WiFi, BLE, LoRa, NFC, RFID, GPS)
High-speed PCB & EMI-optimized layout
Firmware bring-up, testing & debugging
Manufacturing-ready files (Gerber, BOM, Pick & Place, 3D)
Advanced Expertise:
Antenna design & tuning, matching networks, RF layout, shielding, signal integrity, controlled impedance routing, DFM/DFT practices.
Why Choose Me:
Production-ready designs (JLCPCB / PCBWay)
Cost-optimized & reliable hardware
Fast communication & revisions
Kindly discuss your project before placing an order.
My Portfolio
Other Electronics Engineering Services I Offer
FAQ
1. What do I need to provide to get started?
You can start with a simple idea, block diagram, or even a rough sketch. If you already have requirements like preferred microcontroller, interfaces, or dimensions, sharing those helps accelerate the process.
2. Will I receive all the files needed for manufacturing?
Yes, I will provide complete production-ready deliverables, including: Schematic and PCB layout files BOM (Bill of Materials) Gerber and Drill files Pick-and-place files 3D step files (if needed)
3. Can you help me reduce cost and optimize component selection?
Absolutely! I choose components based on your budget and availability (considering lead times and supply chain). I also suggest cost-effective alternatives or integrated solutions when possible.
4. Do you also write firmware for the board?
Yes, I can provide basic firmware for initial board testing—such as GPIO, sensor interfacing, UART communication, etc.—using platforms like Arduino and STM32CubeIDE.
5. Can you design RF circuits or antennas for wireless communication?
Yes, I have experience designing for Wi-Fi, Bluetooth, LoRa, NFC, and RFID UHF. I also offer microstrip or SMT antenna integration and can assist with antenna tuning and matching network design.
Reviews
46 reviews for this Gig
| (41) | ||
| (3) | ||
| (0) | ||
| (1) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B brytonatwood
Repeat Client
United States
Maryam is my favorite! She continues to impress me and delivers exactly what I need! I’m so happy to have found Maryam and highly recommend working with her!
$100-$200
Price
3 weeks
Duration
Helpful?M maverik85
United States
Maryam was great! I needed a PCB for a project and I have 0 experience building small electronics. I gave her a description of what I wanted and was nervous I did not explain well enough due to my little knowledge, but she delivered exactly what I was looking for! She was fast to respond and answered...
$50-$100
Price
3 days
Duration
Helpful?C christiansturny
Switzerland
Maryam delivered a professional and high-quality PCB design for my ESP32-based environmental data logger. Throughout the project, she demonstrated excellent technical knowledge, clear communication, and great patience with my detailed review process. She addressed every revision request carefully and...
$200-$400
Price
4 weeks
Duration
Helpful?T 
theroylee
Repeat Client
United States
This is the start of a large job that I asked to be made into steps. But it is very clear that even by the rough draft, there is an exceptional level of understanding and passion in the work. I am legitimately excited to see the next steps and the end result! Thank you!!
$50-$100
Price
2 weeks
Duration
Helpful?I 
it_cannon
Switzerland
Unfortunately, I cannot recommend this service based on my experience. The delivery was delayed and contained multiple fundamental issues, including missing connections, incorrect use of ESP32 pins (e.g. input-only pins used for outputs), and critical flaws in the power design (such as a regulator that...
$200-$400
Price
3 weeks
Duration
Helpful?
Reviews
46 reviews for this Gig
| (41) | ||
| (3) | ||
| (0) | ||
| (1) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B brytonatwood
Repeat Client
United States
Maryam is my favorite! She continues to impress me and delivers exactly what I need! I’m so happy to have found Maryam and highly recommend working with her!
$100-$200
Price
3 weeks
Duration
Helpful?M maverik85
United States
Maryam was great! I needed a PCB for a project and I have 0 experience building small electronics. I gave her a description of what I wanted and was nervous I did not explain well enough due to my little knowledge, but she delivered exactly what I was looking for! She was fast to respond and answered...
$50-$100
Price
3 days
Duration
Helpful?C christiansturny
Switzerland
Maryam delivered a professional and high-quality PCB design for my ESP32-based environmental data logger. Throughout the project, she demonstrated excellent technical knowledge, clear communication, and great patience with my detailed review process. She addressed every revision request carefully and...
$200-$400
Price
4 weeks
Duration
Helpful?T theroylee
Repeat Client
United States
This is the start of a large job that I asked to be made into steps. But it is very clear that even by the rough draft, there is an exceptional level of understanding and passion in the work. I am legitimately excited to see the next steps and the end result! Thank you!!
$50-$100
Price
2 weeks
Duration
Helpful?I it_cannon
Switzerland
Unfortunately, I cannot recommend this service based on my experience. The delivery was delayed and contained multiple fundamental issues, including missing connections, incorrect use of ESP32 pins (e.g. input-only pins used for outputs), and critical flaws in the power design (such as a regulator that...
$200-$400
Price
3 weeks
Duration
Helpful?
