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I will build custom esp32 embedded systems with esp idf
Saad Rahim
Level 1
5.0
5.0
About this gig
I am an embedded systems engineer with strong experience in ESP32 firmware development using ESP-IDF.
My main focus is writing clean, efficient, and scalable firmware, but I also offer custom ESP32 hardware design using Altium Designer for clients who need a complete solution.
ESP32 Firmware Services (Primary Focus):
- ESP-IDF-based firmware development
- Zephyr, FreeRTOS (tasks, queues, semaphores)
- Wi-Fi, BLE, ESP-NOW, Zigbee
- MQTT, HTTP/HTTPS, TCP/IP, Audio Processing, Camera, LCD (LVGL)
- OTA updates
- Sensor & peripheral integration (I2C, SPI, UART, ADC)
- Debugging, optimization, and refactoring
Hardware Design (Optional):
- Custom ESP32 schematics
- PCB design using Altium Designer
- Component selection
- Design for prototyping and production
Whether you need firmware only or a complete hardware + firmware solution, I can support your project from concept to implementation.
Get to know Saad Rahim
Saad Rahim
Embedded System Engineer
Level 1
- FromPakistan
- Member sinceJul 2018
- Avg. response time1 hour
- Last delivery3 months
Languages
English
Embedded Systems Engineer with strong expertise in real-time firmware development, secure bootloaders,
IoT connectivity, and embedded Linux/RTOS environments. Proven experience delivering safety-critical
wireless systems, secure firmware update mechanisms, communication protocols, and GUI integration on
STM32, ESP32, nRF52, RPi and NXP platforms. Passionate about building reliable, scalable embedded solutions
Hardware Expertise:
An embedded system engineer who have developed several embedded system boards including vibrations, mixed signal design, High Speed boards etc. on Altium.
My Portfolio
FAQ
Is firmware your main service?
Yes. My primary expertise for this GIG is ESP32 firmware development using ESP-IDF.
Do you also design ESP32 hardware?
Yes. I design custom ESP32 hardware using Altium Designer when a full solution is required.
Can I order firmware without hardware design?
Absolutely. Most clients order firmware-only services.
Can you work with my existing PCB?
Yes, I can develop or modify firmware for existing hardware.
Reviews
1 reviews for this Gig
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Rating Breakdown
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C 
chezo_
Hungary
solved the exact problem that i requested in a timely manner with quick responses.
$50-$100
Price
2 days
Duration
Helpful?
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
C chezo_
Hungary
solved the exact problem that i requested in a timely manner with quick responses.
$50-$100
Price
2 days
Duration
Helpful?
