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Eren  B.
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Eren B.

Embedded Systems LoRaWAN Thingsboard AWS IoT STM32 PCB RF

🚀 Looking to bring a cutting-edge embedded product to life? I provide hardware & firmware solutions that power smart, connected devices—from concept to certified, production-ready electronics. With 15+ years of hands-on experience, I’ve helped startups and enterprises successfully launch 50+ products across industries, including IoT, industrial automation, and consumer electronics. I specialize in end-to-end product development, ensuring seamless hardware-firmware integration, low-power optimization, cloud connectivity, and regulatory compliance (FCC, CE, etc.). Whether you need a prototype, small-batch production, or full-scale manufacturing, I can support you at every stage. 🔹 Services Offered ✅ Embedded Firmware Development – Real-time, energy-efficient, and scalable solutions ✅ Custom Hardware & PCB Design – Schematic design, PCB layout, and prototyping ✅ IoT & Wireless Expertise – LoRaWAN, Wi-Fi, Bluetooth, Cellular IoT (2G, 3G, 4G, NB-IoT) ✅ Device Manufacturing & Prototype Production – Rapid prototyping, small-batch production, and mass manufacturing support ✅ Cloud & Dashboard Solutions – IoT data visualization with ThingsBoard, AWS IoT, and ChirpStack ✅ Regulatory Compliance & Certification – FCC, CE, UL pre-compliance testing and firmware optimization ✅ Full-Stack Embedded Solutions – From board bring-up to cloud integration I help businesses and innovators get high-quality embedded solutions without delays or technical roadblocks. Whether you're building a prototype, scaling to production, or optimizing an existing design, I provide efficient, cost-effective, and scalable solutions. 📡 Expertise in Microcontrollers & Hardware ✅ Microcontrollers & SoCs: STM32 (STM32WL, STM32WB, STM32L0, STM32L4, STM32F1, STM32F4, STM32F7), AVR, PIC, Renesas, TI, NXP, ESP32, Raspberry Pi (RP2040) ✅ Wireless & IoT Technologies: LoRa, LoRaWAN, Sub-GHz, Wi-Fi, Bluetooth, Cellular IoT (2G, 3G, 4G, NB-IoT) ✅ Communication Interfaces: I2C, SPI, UART, QSPI, RS485, RS232 ✅ LoRaWAN Gateways: Milesight UG65, RAK Wireless WisGate, CloudGate Micro 💻 Software & Development ✅ Programming Languages: C, C++, Assembly, Perl, C#, Python, JavaScript ✅ RTOS & Embedded OS: FreeRTOS, Zephyr, QNX, RT-Linux ✅ Cloud & IoT Platforms: AWS IoT Core, The Things Network (TTN), ChirpStack ✅ IoT Dashboard Solutions: ThingsBoard, Grafana, and AWS IoT Dashboards ✅ Protocols: REST API, MQTT 🚀 Why Work With Me? ✅ Full-cycle embedded product development – from PCB design to firmware & manufacturing ✅ Experience in industrial, consumer, and medical electronics ✅ Optimized solutions for low power, real-time performance, and scalability ✅ Seamless integration of IoT hardware with cloud-based dashboards ✅ Proven track record of delivering high-quality, production-ready embedded systems 📩 Let’s discuss your project! Whether you need PCB design, firmware development, IoT dashboards, prototype production, or full-scale manufacturing, I can help. Click ‘Invite to Job’ to get started! 🚀

🇹🇷Istanbul, Turkey$60/hr100% JSS4.97 (38)Since May 2016
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Earnings and projects

MRR
$15k

Last 6 months ÷ 6

World#435 / 412k
🇹🇷Country#2 / 3,515
Revenue, last 30 days
$22k

Last 6 months: $92k

World#210 / 412k
🇹🇷Country#2 / 3,515
Total earnings
$296k
World#8,684 / 412k
🇹🇷Country#62 / 3,515
Per project
$4.8k

$9.2k in the last 6 months

World#37,464 / 412k
🇹🇷Country#285 / 3,515
Projects, last 6 months
10

Across 12 contracts

58% fixed42% hourly
World#18,299 / 412k
🇹🇷Country#136 / 3,515
Projects in all
61

Across 73 contracts

59% fixed41% hourly
World#49,858 / 412k
🇹🇷Country#329 / 3,515

Earnings, last 30 days

$296k+$21.7k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$260k$280k$300kOct 9Oct 24Nov 8

Skill rankings: 🇹🇷#1 in 10 skills of 15 in Turkey

Rarest: top 0.21% in Python, of 470. Ranked by MRR among everyone in Turkey with the skill. 5 skills with fewer than 10 freelancers aren't counted.

  1. 1Python470 freelancersTop 0.21%
  2. 1C++97 freelancersTop 1%
  3. 1Linux73 freelancersTop 1%
  4. 1C59 freelancersTop 2%
  5. 1Embedded System43 freelancersTop 2%
  6. 1PCB Design33 freelancersTop 3%
  7. 1Embedded C26 freelancersTop 4%
  8. 1STM3223 freelancersTop 4%