About
Call me Willman — not William, not Willson.
Industrial Sensing | Automation | IoT
Coding since 1995.
- Birthday: 22 Jun 1980
- Website: http://willman.xtaiwan.org
- LINE: willman.chen
- City: New Taipei City, Taiwan
- Study: Math / Mechanical / Electrical
- Email: akhil.touch@gmail.com
Specializing in end-to-end IoT solutions —
from signal processing to cloud infrastructure.
Resume & Skills
Firmware
Gambling Machine
- Black Jack
- Intel Strong ARM with VGA output
Motorola Pager
- UI & System Integrator
- Renesas
Sensing Technology R&D
Radar ( FMCW / Pulse ) / Guide Wave Radar LEVEL (TDR), Magnetostriction / Capacitive, Measuring heartbeat & breath by air cushion pressure, ECU tuning / remapping products, Portable multi-parameters water quality testing by spectrum analyzer
- Signal processing algorithm development
- Sensor principles & circuit design
- STM32 / TI / Microchip
- Low-power design (4-20mA loop), HART, RS-485
IoT Hub
- RS485 ( ModBus )
- NBIoT
- LoRa P2P & LoRaWAN
- 4G & Cat-M1
- Ethernet & POE
- Power Saving ( Battery or Solar power )
- STM32
Software
Windows & Linux & Android
Application Software
- Device calibration tools
- QA & mass production testing tools
- Virtual device simulators for protocol testing
- PCR detection system for COVID-19
- Chemical analyzer for electroplating automation
- NodeJS + HTML + CSS + JavaScript
- Cordova.js / Electron.js
Backend & Frontend
IoT Applications
- Smart Water Meter Reader
- Smart lighting control
- Smart building control
- Sewer Monitoring and pump control
- GIS Integration
- Device Maintenance
- MQTT / RESTful / TCP / UDP
- NodeJS + HTML + CSS + JavaScript + MongoDB
- AWS / Google VMs
- Raspberry Pi
Professional Experience
IoT Application
2018 - present
New Taipei City, Taiwan
- R&D Director
Cloud Platform
2015 - 2018
New Taipei City, Taiwan
- Embedded Systems Team Lead
- openWRT, ESP32...
Industrial Sensor
2009 - 2015
New Taipei City, Taiwan
- Technology Center Lead
- Established coding standards & developer training
- Advanced sensing technology R&D
Firmware for Pager
2008 - 2009
New Taipei City, Taiwan
- Lead Developer
Mobilehero
2005
Tainan, Taiwan
- Embedded Linux (Linux From Scratch)
- Network Meeting Projector
SAE Taipei Section - Champion
2002
Tainan, Taiwan
- Most Fuel-Efficient Car - 672 Km/Liter
National Science Exhibition
1996
Taipei, Taiwan
- Kong Ming Checkers
- MS-DOS , QBasic
