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@dalong243020
Drapeau de China Harbin, China
Membre depuis le 15 juin 2019
2 Recommendations

dalong243020

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I'm a qualified Software(C++ /iOS/Android/Webserver) and electronics engineer having rich 13yrs+ experiences. Have worked with following peripherals & technologies: - Android & iOS App Development - Ionic & Phonegap App Development -Social SDKs(Facebook, Twitter, Admob, Google APIs and all other sections of Social) -MySQL, PHP, JSON, UI/UX - Wireless: Bluetooth (2.0 and BLE), WiFi (ESP8266 and ESP32), RFID, nRF24L01+, etc., - 9DOF IMU sensors (accel+gyro+mag) + data filtering (complementary, Kalman, Madgwick filters), - Ethernet & TCP/IP stack, Developed numerous C libraries for using sensors and shields with STM32 ARM and have experience of creating a device from scratch, doing both firmware and PCB development (Autodesk Eagle CAD). Additionally, I teach C & microcontrollers programming at TechMaker Patent holder, invented a device for measuring wind velocity and direction, which won a number of awards at Intel International Science and Engineering Fair 2009 Kinds regard.
$30 USD/hr
5 commentaires
5.1
  • 100%Travaux complétés
  • 86%Selon le budget
  • 100%Dans les temps
  • 14%Taux de Réembauche

Portfolio

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Expérience

Mobile(iOS/Android/Webserver) development

Jan 2016 - May 2019 (3 years)

As I am a skillful software developer, I have developed mobile apps with backend.

Camera Target Detection System & Drone Control System Develop

Mar 2015 - May 2019 (4 years)

I'v worked on developing Camera Target Detection System & Drone Control System Develop... And then gained a good experiences. In developing team, my level stays on top. So the company got the excellent Profit.

Éducation

Engineer

1983 - 1989 (6 years)

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