x
xintian0923

LiXinTian

@xintian0923
5.0(1)

Embedded Firmware IoT Engineer ESP32 BLE LTE Flutter

China
English
About me
Embedded systems engineer delivering complete IoT products — from schematic to firmware to mobile app. I work with ESP32/ESP-IDF, nRF52 BLE, STM32, Qualcomm QCC audio SoCs, Quectel LTE (QuecPython), Beken Wi-Fi video, Particle and PIC, plus Verilog on Xilinx FPGAs. I also build Flutter and Kotlin/Jetpack Compose apps and integrate ThingsBoard, Modbus RTU and serial protocols. Recent work: spa controllers, servo motion control, wearable emergency devices, wireless trailer cameras. Clear English documentation, field-issue debugging, on-time delivery.... Read more

Skills

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xintian0923
LiXinTian
Offline • 
Average response time: 1 hour

See my services

Embedded Systems & IoT
I will build esp32 spa and hot tub controller firmware with a flutter app in china
5.0(1)
From$100 / projectMore details
Printed Circuit Boards (PCB)
I will do pcb design schematic review prototype bring up jlcpcb china
From$50 / projectMore details

1 Reviews
5.0

(1)
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Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-1 out of 1 Reviews
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    davidmatteso410

    US

    United States

    5

    Li is very professional. Great to work with. Fast delivery and quick response. He focused on detail, considered all exceptions and provided bug-free firmware. Highly recommend for embedded firmware development. Thank you for your great work. Surely want to work with you again.

    $50-$100

    Price

    1 day

    Duration

    gig

    Embedded Systems & IoT

    Helpful?
    Yes
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