Coming Soon
SECS/GEM SECS/GEM from Zero: HSMS Connection and S1F1 Implementation
From protocol theory to C# implementation — step by step through your first HSMS connection and S1F1 Are You There message parsing.
2026-06-15 12 min read
Mingji.io
SECS/GEM · AOI · HMI Software Development
Software Partner for Semiconductor Equipment Makers
7 years of semiconductor equipment software experience. Direct engineer-to-engineer collaboration. From SECS integration to AI vision—delivered in 4–8 weeks.
7Yrs
Equipment SW Exp.
4–8Wks
Delivery Window
4+
Core Tech Domains
What We Do
Services
From protocol integration to AI vision — all under one roof
SECS/GEM Integration
HSMS, SECS-II, E5/E30/E37/E40/E87/E94 standards. Includes protocol documentation, message design, and MES interface.
SEMI Standards Full Docs MES Interface
TWD 200K–500K
Est. Budget
4–8 Weeks
Timeline
AOI / AI Vision
YOLO + Intel RealSense 3D camera. PCB / package / SMT defect detection and robotic arm vision guidance.
AI Training Real-time Detection 3D Vision
TWD 300K–800K
Est. Budget
6–12 Weeks
Timeline
Equipment HMI / SCADA
C# WPF + PLC integration (Modbus TCP / EtherCAT / MC Protocol). Real-time monitoring, Recipe, Alarm, trend history.
PLC Integration Visualization Real-time
TWD 150K–400K
Est. Budget
4–8 Weeks
Timeline
Factory Internal Systems
MES modules, production monitoring, internal web platforms. Vue.js + Python API + MySQL/PostgreSQL.
Custom Build Web Dashboard MES Module
TWD 100K–300K
Est. Budget
3–6 Weeks
Timeline
Portfolio
Technical Demos
Proving capability with real code
Coming Soon · Q3 2026
01
SECS/GEM Simulator
HSMS dual-mode, SECS-II message simulator
Full simulation of Equipment and Host dual-mode. Supports common messages S1F1–S6F11, suitable as a test harness for equipment communication development.
C# WPF HSMS SECS-II SEMI E37
GitHub Live Demo Article
Coming Soon · Q3 2026
02
PCB Defect AI Detection
YOLOv8 training, live detection demo
From dataset annotation to model training, through FastAPI + Vue live detection. Supports common PCB defect types: solder bridges, missing parts, and more.
Python YOLOv8 FastAPI Vue.js
GitHub Live Demo Article
Coming Soon · Q4 2026
03
Industrial HMI Template
WPF + Modbus TCP simulation
Industrial-style C# WPF UI template with Modbus TCP protocol simulator. Includes real-time data display, alarm management, and historical trend charts.
C# WPF Modbus TCP WPF MVVM
GitHub
Track Record
Past Projects
7 years of semiconductor equipment software delivery
All cases below are anonymized. No company names, logos, or identifiable client information are included — only technical scope and role responsibilities.
2022–2024
Semiconductor
SECS/GEM Communication System
Lead DeveloperEquipment integration + Factory MES interface
Led equipment-side SECS/GEM communication module development, implementing HSMS connection management and SECS-II message parsing. Full MES interface and protocol documentation for FAT/SAT acceptance.
C# HSMS SECS-II MES
2023–2024
Medical Device
AOI + Industrial Communication
Full-stack DeveloperEtherCAT + MC Protocol + Cloud DB
Built an AOI system from scratch, integrating EtherCAT motor control and MC Protocol axis positioning with real-time cloud database reporting. Full-stack responsibility including UI and backend API.
C# EtherCAT MC Protocol MySQL
2024–2025
Semiconductor Equipment
AI Vision Positioning System
Solo Full-stack OwnerYOLO + RealSense + Robot Arm Integration
Independently built an AI vision positioning module — from dataset creation and YOLO model training to Intel RealSense 3D depth coordinate transformation and closed-loop visual servo integration with a robot arm.
Python YOLO OpenCV RealSense C#
Why Mingji
Why Choose Us
Not just a contractor — a real engineering partner
Semiconductor Domain Expertise
7 years of equipment software experience. Deep understanding of SECS/GEM, instrumentation, and production line integration — no domain education needed.
Direct Engineer-to-Engineer
No sales translation, no requirement distortion. Technical questions answered within 24h. Critical issues discussed same day.
One-Stop Coverage
From protocol integration (SECS/Modbus/EtherCAT) to AI vision, HMI/SCADA, and internal systems — no need to coordinate multiple vendors.
Transparent & Predictable
Quotes include explicit deliverables, acceptance criteria, and payment milestones. Fixed 4–8 week delivery window — no delays, no surprise costs.
How We Work
Engagement Process
Transparent, predictable, no surprises
01
Day 1 Requirements Discovery
30-minute technical consultation to understand equipment type, protocol specs, timeline, and scope.
02
3 Business Days Rough Quote
Budget range and timeline estimate based on the discovery call. No charge.
03
5 Business Days Formal SOW
Detailed Statement of Work: deliverable list, acceptance criteria, milestone dates, and payment terms.
04
4–8 Weeks Development & Milestone Review
30% upfront → Development → Mid-point review + payment → Completion → Final acceptance → Balance.
05
30+ Days Warranty & Support
30-day rolling warranty. Bug fixes, technical support, and future feature expansion all negotiable.
01
Day 1
Requirements Discovery
30-minute technical consultation to understand equipment type, protocol specs, timeline, and scope.
02
3 Business Days
Rough Quote
Budget range and timeline estimate based on the discovery call. No charge.
03
5 Business Days
Formal SOW
Detailed Statement of Work: deliverable list, acceptance criteria, milestone dates, and payment terms.
04
4–8 Weeks
Development & Milestone Review
30% upfront → Development → Mid-point review + payment → Completion → Final acceptance → Balance.
05
30+ Days
Warranty & Support
30-day rolling warranty. Bug fixes, technical support, and future feature expansion all negotiable.
Our Standards
Service Commitments
Written guarantees, not just promises
Official invoices with 5% business tax
30-day rolling warranty, extendable up to 6 months
Full source code delivery with comments and technical docs
Standard NDA provided
IP rights negotiable (exclusive vs. shared utility separation)
On-site service throughout Taiwan + remote support
Attorney-reviewed contracts for projects TWD 500K+
Emergency projects: can mobilize within 2 weeks
Technical Writing
View All Posts Blog
Sharing semiconductor equipment software knowledge
Coming Soon
AI / Vision PCB Defect Detection with YOLO: Dataset to Deployment
Full walkthrough of a PCB defect detection project: Roboflow annotation, YOLOv8 training, and FastAPI deployment.
2026-07-01 15 min read
Coming Soon
HMI / SCADA Custom Equipment HMI: C# WPF + Modbus TCP Integration
Hands-on lessons from industrial HMI development: MVVM architecture, Modbus TCP communication, and UI performance tuning.
2026-07-20 10 min read
Get In Touch
Contact
Have a project? Let's talk.
Contact Info
Email
mingji.taiwan@gmail.com
GitHub
github.com/mingji-io
LinkedIn
(to be added) LINE Official
(QR Code coming soon) Usually Online
Response within 24h
GMT+8 (Taipei)