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C Programming Circuit Design Electronics Microcontroller PCB Layout
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Satyajit R.

@cpp2048

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5,0
137

7,4

7,4

95%

Full Stack Embedded Systems • Power Electronics

$40 USD / hora

Bandeira do(a)

India (5:56 AM)

Entrou em julho 30, 2007

8 Recomendações

$40 USD / hora

⚡ Professional Embedded Systems & Product Design Expert | 15+ Years Freelance Experience ⚡ For the past 15 years, I’ve been a full-time freelance product designer, delivering high-quality hardware and firmware solutions for both industrial and consumer markets. From concept to prototype to production, I help bring ideas to life, efficiently, reliably, and with long-term support in mind. Whether you need hardware design, sensor data acquisition, power systems, firmware development, or complete system integration, I offer end-to-end solutions tailored to your goals. ✅ What I Offer ⚡ Hardware Design & Prototyping • 15+ years with Altium, KiCad, and Eagle • Expertise in embedded, mixed-signal, and analog systems • Battery and Solar Powered Systems • Sensor integration & industrial IoT hardware • Skilled in SPICE simulation (LTspice, TINA-TI) • Fully equipped in-house lab for testing and validation ⚡ Firmware & Embedded Development • 20+ years of C programming with GCC, SDCC, CCS • STM32, ESP32, Microchip 8/16/32-bit, TI MSP430/MSP432, C2000 • Power-efficient firmware, custom bootloaders, and protocols • FreeRTOS and Bare-Metal programming ⚡ Connectivity & Communication • RS485, CAN, LIN, USB, Ethernet • Wi-Fi, GSM, LTE, LoRa, BLE, Sub-GHz RFs • Any type of sensor/device integration ⚡ Software Integration • Desktop app development using MSVC, GCC • Bridging hardware with desktop tools or automation systems ⚡ Production & Supply Chain Support • BOM cost optimization & component sourcing • Established connections with Chinese manufacturers and supply chain management • Low to mid-volume production support ✅ Why Work With Me • End-to-End Expertise: With 20+ years of experience in electronics and programming, I bring equal proficiency in both hardware design and firmware development, ensuring seamless integration between the two. • Project Ownership: From schematic capture and PCB layout to embedded firmware and system validation, I take full responsibility across the entire development cycle. • Quality Assurance: My work is backed by lab-grade test equipment, simulation tools, and a rigorous validation process to guarantee accuracy and reliability. • Post-Delivery Support: I provide long-term assistance beyond delivery, helping you through product updates, field issues, and lifecycle management. • Intellectual Property Respect: I treat your IP with the utmost confidentiality. Your designs, code, and data are fully protected and never reused or shared. • Reliable Collaboration: Having worked with clients globally, I understand how to communicate clearly, meet deadlines, and deliver results that align with your vision. ✅ Let’s Connect No pressure, no obligation. If you have a concept or challenge you'd like to discuss, feel free to message me. I’m happy to explore how I can help turn your ideas into working, manufacturable solutions.

Verificações

No prazo

94%

No orçamento

98%

Índice de aceitação

92%

Índice de recontratação

21%

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5.0 · 137 Avaliações
Avaliações
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Primary control board development $4.743 USD

Satyajit continues to provide great services for PCB design and technical advice.

Andy H.

@AndyHartland

Bandeira do(a)

High Wycombe, United Kingdom

há 2 meses

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KiCAD Library Cleanup & Update $55 USD

Great and fluid communication, deliver on the project in record time. This was my 'test-the-waters' project and now I feel confident that Satyajit will deliver quite well on any future request. I will continue working with him. I strongly recommend him for your project.

Jorge S.

@IlOscuro

Bandeira do(a)

Las Cruces, United States

há 3 meses

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Breakout with Hirose DF56C-30S-0.3V(51) → 2.54 mm Header + Prototype Build $200 USD

great work. fast and effective.

NY Screens Media LLC

@nyscreens

Bandeira do(a)

Brooklyn, United States

há 3 meses

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O

Design Buck Converter for Electronics ₹8.000 INR

Delivered the schematic and layout exactly as requested, with great attention to detail and clear communication throughout. Handled tight space constraints very well. Would gladly work together again.

Om P.

@omp539

Bandeira do(a)

Ahmedabad, India

há 7 meses

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C

Neurostimulation Constant Current Source Circuit Design $180 USD

Excellent, high quality work and communication

W D.

@constantine20

Bandeira do(a)

Seattle, United States

há 8 meses

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Educação

Electronics And Telecommunications Engineering (Gold Medalist)

1995 - 1998

3 anos

Bandeira do(a)

India

1995 - 1998

3 anos

Certificações

F

Foundation vWorker Member

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