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@ChewGekKhim
Flag of China Liaoningsheng, China
Member since 21 Ogos 2017
1 Cadangan

ChewGekKhim

Atas talian Luar talian
I have 10+ years experience in Embedded-based firmware and hardware design. I have full and golden experiences with these chips. - Arduino, Rapberry Pi, Esp8266 - Bluetooth chip firmware (Da14580, Nrf51832) - Stm32f103, 407 - PIC chip - Cyclone FPGA - PLC & SCADA / HMI - designing PCB. Developed products: - Home Automation using Esp8266, Sim808, several sensors - Real-time location track system combining GPS/GPRS and web cloud (AWS, ThingSpeak etc) - Ultrasonic distance meter - Position determination system by TDOA algorithm - Wearable products for barometer, accelerometer, step meter thermohygrometer using BLE - RFID card product using 89C52 or Arduino - PID Automatic control system by PLC/HMI in industry - Electric car unmanned control system I will continue to develop the field of modern Electronics technology and IT in the future, and I hope to make a long-term cooperation with good customers in this business. Thank you for your reading my inexperienced article.
$25 USD/jam
4 ulasan
3.2
  • 100%Kerja-kerja yang Telah Disiapkan
  • 100%Mengikut Belanjawan
  • 100%Mengikut Masa
  • 25%Kadar Ulang Upah

Portfolio

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    “Arduino and rfid id card design expert, completed handsomely 125kHz and 13.56Mhz RF card read/write products including firmware development and pcb circuit design. Read data stored in memory up to 10,000 cards and control up to 32 relay output. Possesses excellent communication skills and a sense of responsibility. Could not find flaw in his finished product. Excellent embedded software technician and pcb layout sesigner.”

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