Imej profil nathan103
@nathan103
Penanda United States Pittsburgh, United States
Ahli semenjak 6 Disember 2019
3 Cadangan

nathan103

Dalam Talian Luar Talian
I'm a senior hardware and software engineer with more than 10 years of experience and I'm much experienced in electrical engineering. My versatile skills allow me to work on each step of the development of an embedded system; from conceptualization, schematic design, PCB layout & routing, rapid prototyping, to firmware program development and mobile app dev. o Hardware Design - Proof of concept (PoC), massive product - Altium designer, Eagle, Allegro, KiCAD - Schematic design, PCB layout & routing, reverse PCB design, EMC/EMI design - Custom antenna design: WiFi/BLE antenna, GPS patch antenna, Helix antenna o Firmware Engineering - MCUs: ATmega328, 2560, 32U4, STM32F(L), TI TMS320F serial, ARM cortex M - BLE firmware programming: Nordic nRF52832, nRF52840, ESP32 WROOM - GSM/GPRS, 4G LTE (SIM800, SIM868, SIM7000, BG96, EC25, A9G) - Sensors: 9 axis accelerometer, SpO2 sensor, HR sensor, AFE sensor, IR sensor - IoT: home automation, Raspberry Pi, ESP32 WROOM, LoRaWAN, Amazon FreeRTOS, QualOpen RTOS, ThreadX OS
$50 USD/hr
1 ulasan
1.4
  • 100%Kerja Diselesai
  • 100%Mengikut Bajet
  • 100%Tepat Pada Masa
  • N/AKadar Ulang Upah

Portfolios

Ulasan Terkini

Pengalaman

Text to Speech Conversion Product compatible with iOS/android app

Feb 2019 - Oct 2019 (8 months)

Text to Speech Conversion Product compatible with iOS/android app

Quectel BG96 4G LTE module based OBD II GPS tracker

Dec 2018 - Mar 2019 (3 months)

Quectel BG96 4G LTE module based OBD II GPS tracker

STM32WB55 based AFE6604 PPG sensor board

Jun 2018 - Nov 2018 (5 months)

STM32WB55 based AFE6604 PPG sensor board

ESP32 WROOM based Home automation system

Jun 2018 - Nov 2018 (5 months)

ESP32 WROOM based Home automation system

Raspberry Pi 3B+ based People Counting and Human Detection System using OpenCV

Mar 2017 - Aug 2018 (1 year)

Raspberry Pi 3B+ based People Counting and Human Detection System using OpenCV

Artix-7 FPGA based Cryptominer Development

Jan 2017 - Feb 2018 (1 year)

Artix-7 FPGA based Cryptominer Development

STM32F103 based multi sensor board

Aug 2015 - Oct 2015 (2 months)

STM32F103 based multi sensor board

LoRaWAN RAK811 module based AWS IoT embedded system

Jun 2013 - Feb 2014 (8 months)

LoRaWAN RAK811 module based AWS IoT embedded system

Smart Luggage Scaling Device

Apr 2012 - Nov 2012 (7 months)

Scaling device for luggage based on HX711 scaling amplifier

Sijil

  • Preferred Freelancer Program SLA
    92%

Pengesahan

  • Facebook Disambung
  • Freelancer Keutamaan
  • Bayaran Disahkan
  • Telefon Disahkan
  • Identiti Disahkan
  • E-mel Disahkan

Kemahiran Teratas Saya

Cari Freelancer yang serupa