d
dltech75

ShengLin Gu

@dltech75
4.9(13)

Level 1

Embedded Systems Engineer, PCB design Expert, Prototype, Firmware Development

China
Inglés, Chino
Parte de la información aparece en idioma inglés.
Sobre mí
I’m an Electronics Engineer, Embedded Developer, and PCB Designer specializing in wireless electronics, microcontroller systems, and intelligent embedded solutions. With over 7 years of experience, I’ve designed and implemented cutting-edge electronic systems, robotics, and IoT projects for both commercial and industrial applications. Languages & Firmware: C/C++, Python, Arduino IDE, Embedded C, Embedded Linux Hardware & PCB: PCB Layout, Schematic, Altium Designer, KiCAD, EasyEDA Wireless & IoT: BLE, MQTT, WiFi, RFID, LoRa Robotics & Automation: Motor Control, PLC, Robotics Integration... Lee más

Habilidades

d
dltech75
ShengLin Gu
USD 20/hora
desconectado • 
Tiempo medio de respuesta: 1 hora

Revisa mis servicios

Sistemas integrados e IoT
I will do iot prototype, schematics, pcb design, review, ble, firmware, jlcpcb in china
4.9(10)
Sistemas integrados e IoT
I will do firmware for arduino, stm32, esp32, nrf52, freertos, zephyr, ble stack, ota
5.0(2)

¿Quieres trabajar por horas?

Dile a ShengLin Gu qué necesitas.

USD 20

/

hora

Porfolio

Experiencia laboral

Senior Embedded engineer

Dalian Shiliang Sci-Tech Co.,Ltd • Tiempo completo

Aug 2021 - Oct 2025 • 4 yrs 2 mos

I developed reliable and scalable embedded firmware for modern hardware systems. ✔ STM32 / ESP32 / Nordic ✔ FreeRTOS / Embedded Linux ✔ Communication: UART, SPI, I2C, CAN, USB ✔ IoT Integration: MQTT, AWS IoT, Firebase Experience includes: - Real-time data acquisition systems - BLE-based healthcare devices - Wi-Fi monitoring systems - GPS and vehicle safety systems

13 Reseñas
4.9

(12)
(1)
(0)
(0)
(0)
Desglose de calificaciones
  • Nivel de comunicación del Freelancer
    5
  • Calidad de la entrega
    4.9
  • Valor de la entrega
    4.9
1-5 de 13 reseñas
Ordenar por
Más relevante
    D
    image-docs

    danielpons289

    AR

    Argentina

    4.3

    Excellent engineering work. Detailed, well-documented and backed by real calculations. Took the review comments seriously, reworked the analysis properly and even corrected one of my own assumptions with datasheet evidence. Clear communication throughout. Highly recommended.

    USD 600-USD 800

    $

    2 semanas

    Tiempo

    gig

    Sistemas integrados e IoT

    Útil?
    Sí
    No
    K

    kareem_manor

    GB

    Reino Unido

    5

    Excellent service from start to finish! The quality of the work was outstanding, communication was great, and everything was delivered professionally and to a high standard. Very knowledgeable, reliable, and easy to work with. Highly recommended, and I would definitely work with them again!

    USD 600-USD 800

    $

    8 días

    Tiempo

    gig

    Sistemas integrados e IoT

    Útil?
    Sí
    No
    J
    image-docs

    jb3078

    GB

    Reino Unido

    5

    Great work on thoroughly reviewing the feasibility of the hardware sketch and PCB design, and on successfully delivering the final report. Your dedication and technical insight made this project a real success. Thank you very much for your effort. Best Regards.

    USD 50

    $

    1 día

    Tiempo

    gig

    Sistemas integrados e IoT

    Imagen de muestra de trabajo
    Útil?
    Sí
    No
    O
    image-docs

    oleg_lucasevici

    MD

    Moldavia

    5

    Shenglin is a highly professional engineer. When assigning him a project, there is no need to provide lengthy explanations. A single well-organized summary document is usually enough. He has the ability to understand the client’s expectations from limited information and turn them into the desired final...

    USD 50-USD 100

    $

    1 día

    Tiempo

    gig

    Sistemas integrados e IoT

    Útil?
    Sí
    No
    M

    menge_ka

    ES

    España

    5

    Really proactive and well documented and communicative person. The final result overdelivered my initial expectations. I would work and cooperate again without second thought. He is recommended to anyone outthere looking for a professional partner to have a worry free delivery of your product. Excellent service.

    USD 50

    $

    2 días

    Tiempo

    gig

    Sistemas integrados e IoT

    Útil?
    Sí
    No