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Lihua W.
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Lihua W.

Embedded/Micro-AI/Robot/IoT/VPN/ODM&OEM

Rich experience in AI, Robots, Linux, Embedded system, Network, Wireless, VPN, and Cyber-security. I have worked for Huawei 8yrs+ and twsz 5yrs+. Proficient in R&D, manufacturing, and project management, familiar with Industrial/Consumer ODM&OEM. ⏺Welcome long-term projects in embedded micro-AI system or/and AI-driven robots. Short-term projects can only result in simple & soulless deliverables, while long-term collaboration is what creates instersting and successful products.🈴 🧩Linux Kernel ✅Subsystem: Filesystem, Network, Security, Video(V4L2/DRM), DVFS, KVM ✅Optimization: Security, Performance, Drivers, Malware 🧩Embedded Linux ✅ Frameworks: ESP-IDF, FreeRTOS, Zephyr, OpenWRT, Yocto, QT5, ESP-Brookesia ✅ Drivers: WIFI, LTE, Network, A/D, CAN,BT/BLE, Lora, RFID, USB,PCIe, GNSS ✅ Hardware: ESP32, STM32, GD32, Allwinner, RockChip, MTK, QCA, RealTek, Quectel, Fibocom, Planetary Gearbox, Servo Motor, IMU, LiDAR, Camera, GPU, NPU 🧩Linux Development ✅ System: Ubuntu, Centos, Debian, Raspberry pi, ROS2 ✅ Network: VPN, VLAN, EBTABLES/IPTABLE/NF, XDP, P2P ✅ Container: Qemu, Libvirt, Virtualbox, Docker ✅Programming: ★C/C++/Python/PHP/Typescript/Pandas ★Bash/Makefile/CMake ★MySQL 🧩AI & Robotics ✅ROS2/TensorFlow / Scikit-Learn / OpenCV / YOLO / OpenMV4 ✅AI robotic arm / Intelligent voice&video module ✅Servo / Piezoelectric Sensor / BMS ✅PID / KF(EKF, UKF) /Smith Predictor /Smith Chart ✅VSCode+Cline 🎯Product Development ★ 10+ Years: ✅Software and hardware development, system analysis, embedded systems, network security, wireless communication, consumer / industrial / automotive products. ✅IoT & Wearable: STM32, ESP32, GD32, nRF52, GOODIX, N32(RFID), etc. ✅Cutting-Edge & iTV: Raspberry Pi, MILK-V, RedPitaya(open hardware), and NXP, MicroChip, MTK, Amlogic(S905 series), Allwinner(T5x7 series), RockChip(RK35xx series); and X86( J1900, I5). ✅Switch & Router: Qualcomm/MTK(Wi-Fi/5G Router), RealTek(Switch), and Broadcom(Wi-Fi Router), X86(Softswitch/Router), etc. ✅Proficient in LiFePO4 and MAX173xx. ✅Proficient in hardware interfaces such as A/D, I2C, ISP, RS232/RS485, CAN, USB, PCIE; Familiar with circuits, heat distribution, EMC/EMI. ✅Proficient in MAC(VLAN), Bluetooth/BLE, Wi-Fi, LTE/5G(Quectel, Fibocom), RFID(NFC) , GPS ✅Proficient in TCP/IP(IPv4&IPv6), MQTT, MATTER, VPN, HTTP/HTTPS, DDS, TF2 ✅Proficient in Linux, RTOS, C/C++, Python, and Rust; Familiar with PHP, LVGL, Flutter, JS and MySQL ✅Product Lifecycle Management(PLM) workflows, from concept to mass production. 🎯Project Management ★ 10+ Years: ✅Continuously optimize the value of Cost, Time, and Quality ✅Budget tracking, PDT establishment & maintenance. ✅Cross-function team communication ✅WBS revision, schedule supervision, quality control and risk prevention. ✅ODM&OEM workflows optimization 🎯Network Security ★ 10+ Years: ✅Linux: CentOS / Ubuntu / Debian / Armbian ✅VPN: OpenVPN / Socks5(V2RAY) / WireGuard / SoftEther / IPSec ✅Network: Switch / Router / Firewall / CPE(Wi-Fi/LTE/5G) / OPNsense ✅Security: Zabbix / Nezha / ELK / Shodan / FoFa / MalWare / Reverse Engineering / IDA / KALI 🎯Manufacturing Management ★ 10+ Years: ✅20+ OEM / ODM factories, verified and reliable ✅BOM, SOP optimization, quality control, issues management. 🎯Other ⭐Open-Source: OpenWiFi / COFDM / OpenWRT / OpenHAB ⭐SDR: Xilinx&AD9363 (Vivado/Modelsim) ⭐Niche: Reverse Engineering on Network & CAN / Wi-Fi defense / File system encryption /Assistant Robot 📌Proficient in NB-IoT/4G/5G modules of Quectel, Fibocom,Think-Will and EBYTE, proficient in GL.iNet, BL-Link, ZBT's Wi-Fi router and travel router.🔸 🔸 🔸

🇨🇳Shenzhen, China$75/hr100% JSS5.00 (2)Since May 2024

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#164,401 / 412k
🇨🇳Country#668 / 2,007
Revenue, last 30 days
$0
Total earnings
$15k

Billed in all: $16k

World#164,401 / 412k
🇨🇳Country#668 / 2,007
Per project
$1.6k
Projects, last 6 months
0
World#209,850 / 412k
🇨🇳Country#1,170 / 2,007
Projects in all
9
22% fixed78% hourly
World#212,268 / 412k
🇨🇳Country#968 / 2,007

Earnings, last 30 days

$15.6kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$15.2k$15.4k$15.6k$15.8kOct 8Oct 23Nov 7

Skills