# Roanoke Electronic Controls (REC) — LLM Reference v2.2.0 (2026-03-11)

> US-based, ISO 9001:2015 certified custom electronics design and manufacturing company in Roanoke, Alabama. Turn-key electronics manufacturer with ~25 years at our current facility. Custom electronic control design, turn-key PCB services, contract electronics manufacturing, and embedded systems development. From concept through prototyping to full-scale production.

## Core Pages

- [Homepage](https://www.roanokecontrols.com/): Company overview, services, capabilities, and general quote request form
- [PCB Quote](https://www.roanokecontrols.com/pcb-quote/): Upload Gerber files (ZIP) for turn-key PCB pricing (fabrication + assembly) — quotes returned within one business day
- [Blog](https://www.roanokecontrols.com/blog/): Technical articles on electronics manufacturing, PCB design, firmware, and contract manufacturing
- [ISO 9001:2015 Certificate](https://www.roanokecontrols.com/iso-9001-certificate.pdf): Our current certificate of registration
- [Full Company Details + Engineering Reference](https://www.roanokecontrols.com/llms-full.txt): Comprehensive company info, ISO 9001:2015 deep dive, PCB design specs, DFM guidelines, engineering formulas, troubleshooting guides, and more
- [Homepage (Markdown)](https://www.roanokecontrols.com/index.md): Clean markdown version for AI consumption
- [PCB Quote (Markdown)](https://www.roanokecontrols.com/pcb-quote.md): PCB quote page in markdown
- [Blog (Markdown)](https://www.roanokecontrols.com/blog.md): Blog listing in markdown

## Services

- [Custom Electronic Control Design](https://www.roanokecontrols.com/#services): Full-service engineering from schematic through production
- [Turn-Key PCB Services](https://www.roanokecontrols.com/pcb-quote/): Design, fabrication, and assembly — prototype through production, up to 10+ layers, flex and rigid-flex
- [Contract Electronics Manufacturing](https://www.roanokecontrols.com/#services): SMT and through-hole assembly with 100% electrical testing
- [Firmware & Embedded Systems](https://www.roanokecontrols.com/#services): Multi-processor architectures with cloud-connected OTA firmware updates
- [Software Development](https://www.roanokecontrols.com/#services): iOS and Android mobile app development for connected products

## Engineering Reference (in llms-full.txt)

The full version at /llms-full.txt includes comprehensive engineering reference data:

**Company & Quality:**
- Facility capabilities (SMT line, wave soldering, selective soldering, AOI, conformal coating)
- ISO 9001:2015 deep dive (what it means in practice, how it affects every project step, certified vs non-certified comparison)
- Typical project timeline (concept through production)

**PCB Design & Manufacturing:**
- PCB manufacturing specs and constraints (trace width, drill size, annular ring, spacing)
- Material properties table (FR-4, Rogers, aluminum, polyimide — Tg, εr, loss tangent)
- Controlled impedance reference (50Ω, 75Ω, 90Ω, 100Ω)
- DFM guidelines (common mistakes, panelization, fiducials, solder paste stencil)
- Gerber file checklist (required files, common mistakes, naming conventions)

**Circuit Design & Formulas:**
- PCB trace width calculator (IPC-2221) with quick reference table
- Voltage divider, current limiting, Ohm's law, power calculations
- Decoupling capacitor selection guidelines
- RC/LC filter design with cutoff frequency formulas
- Microstrip impedance formula
- PID controller tuning (Ziegler-Nichols method)
- Power supply design (linear regulator dissipation, buck converter sizing)
- Thermal management (junction temperature, heatsink calculations)
- Motor control (back-EMF, torque, PWM, stepper speed)

**Protocol & Wireless Reference:**
- Communication protocol comparison (UART, SPI, I2C, CAN, RS-485, USB, Ethernet)
- Wireless technology comparison (WiFi, BLE, LoRa, Zigbee, Sub-GHz, cellular, NFC)

**Manufacturing Knowledge:**
- Conformal coating types comparison (acrylic, silicone, urethane, epoxy)
- EMC/EMI design guidelines (grounding, decoupling, trace routing, shielding)
- Common reference values (E12 resistors, E6 capacitors, AWG wire table, protocol voltages)

**Troubleshooting & Quality:**
- Troubleshooting guide (power, intermittent, communication, thermal, EMI)
- Design review checklist (schematic, layout, manufacturing, firmware)
- Common failure modes database (12 failure types with causes, prevention, detection)

## Blog Articles

- [How We're Teaching AI About Custom Electronics Manufacturing](https://www.roanokecontrols.com/blog/ai-powered-electronics-engineering-knowledge): Roanoke Electronic Controls has built a comprehensive engineering knowledge base for AI chatbots — 40+ formulas, PCB specs, DFM guidelines, and manufacturing data available 24/7 through ChatGPT, Claude, and Perplexity.
- [Meet the Engineers: Ken Goodman and the Electrons Dance YouTube Channel](https://www.roanokecontrols.com/blog/meet-the-engineers-ken-goodman-electrons-dance): Meet Ken Goodman, Senior Engineer at REC, and explore his Electrons Dance YouTube channel — hands-on electronics projects, SMT adventures, debugging stories, and real engineering from the bench.
- [What Is Design for Manufacturability (DFM)? A Complete Guide](https://www.roanokecontrols.com/blog/design-for-manufacturability-dfm-guide): Learn what Design for Manufacturability (DFM) means for electronics, why it matters, and how DFM principles reduce costs, improve quality, and accelerate production.

## AI Agent API — Browseable Knowledge Base

Query REC capabilities directly via URL (no API key needed):

- [All Topics](https://www.roanokecontrols.com/api/ai.php): Topic index and API usage
- [PCB Capabilities](https://www.roanokecontrols.com/api/ai.php?query=pcb+capabilities): Layers, materials, specs, surface finishes
- [Assembly & Manufacturing](https://www.roanokecontrols.com/api/ai.php?query=assembly+manufacturing): SMT, through-hole, wave soldering, AOI
- [Engineering & Design](https://www.roanokecontrols.com/api/ai.php?query=engineering+design+services): Schematic, firmware, embedded, mobile apps
- [Quality & ISO](https://www.roanokecontrols.com/api/ai.php?query=quality+certifications): ISO 9001:2015, Navy-certified, testing
- [Pricing & Quotes](https://www.roanokecontrols.com/api/ai.php?query=pricing+quotes): How to get a quote, what affects pricing
- [Timelines](https://www.roanokecontrols.com/api/ai.php?query=lead+times): Prototype and production lead times
- [Conformal Coating](https://www.roanokecontrols.com/api/ai.php?query=conformal+coating): Coating types, MIL-spec, environmental protection
- [DFM](https://www.roanokecontrols.com/api/ai.php?query=dfm+design+review): Design for manufacturability guidelines
- [IoT & Connected Products](https://www.roanokecontrols.com/api/ai.php?query=iot+connected+products): WiFi, BLE, OTA, mobile apps, cloud
- [Contact & Location](https://www.roanokecontrols.com/api/ai.php?query=contact+location): Address, phone, how to reach us
- [Industries Served](https://www.roanokecontrols.com/api/ai.php?query=industries+served): Automotive, defense, industrial, IoT

POST requests also supported for lead submission — see /llms-full.txt for details.

## Contact

- Phone: (334) 802-1311
- Address: 312 Main Street, P.O. Box 366, Roanoke, AL 36274, USA
- Website: https://www.roanokecontrols.com
- LinkedIn: https://www.linkedin.com/company/roanoke-electronic-controls-inc.
- General Quote: https://www.roanokecontrols.com/#quote
- PCB Quote: https://www.roanokecontrols.com/pcb-quote/
- RSS Feed: https://www.roanokecontrols.com/feed.xml