Metzler LLC

Eric
Metzler.

Electronics Design Engineer specialising in high-reliability PCB design for complex embedded systems. From concept to manufacturable design.

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Metzler LLC

Engineering you
can rely on.

12+ Years Experience M.S. Electrical Engineering 10+ Industries

Eric is an Electronics Design Engineer with 12+ years of experience and a Master's in Electrical Engineering, specialising in high-reliability PCB design for complex embedded systems. Proficient in Altium Designer, he works with clients who value collaborative partnerships and thoughtful engineering over rushed timelines.

His technical expertise includes power electronics, embedded systems design, motor control, battery management, and specialised communication protocols like ARINC 429 for aviation applications — with extensive experience on STM32, ESP32, and TI Hercules platforms.

From initial concept through schematic capture, PCB layout, prototyping, testing, and manufacturing, Eric guides clients through every development stage. Working with local and international manufacturing partners, he focuses on long-term relationships that deliver reliable, custom-engineered solutions on realistic timelines.

Altium Designer STM32 ESP32 Power Electronics Motor Control Battery Management LED Drivers TI Hercules ARINC 429

Services

Full design cycles or targeted support — I adapt to what your project needs.

PCB Design

Schematic capture, multi-layer PCB layout, design rule checks, and production-ready Gerber files. From 2-layer boards to complex high-speed designs.

Electronics Design

Analog and digital circuit design, power supply design, and component selection with availability and manufacturability in mind.

Design Review & Consulting

Second opinion on schematics or layout, and DFM feedback before fabrication.

Projects

Project name

Aviation

Aircraft A-429 Diagnostics

Reads and analyizes multiple A-429 buses and discrete digitals.

Project name

Theatrical

DMX-512 Relay Controller

Toggles relays on a DMX-512 network.

Project name

Aviation

Testing Interface

Interfaces A-429 controllers with DAQ for aircraft testing and simulation.

Project name

Commercial

Lighting Controller

Drives 128 channels of LEDs for a fire effect.

Project name

Consumer

UV Nail Curing Lamp

Controls timing and brighness of UV LEDs to cure gel nail polish.

Project name

Commercial

Power and Safety Distro

Regulates and distriutes multiple voltage rails and a safety loop.

Project name

Industrial

Indicator LED

Local brightness and color controled indicator LED.

Project name

Theatrical

Fused LED Driver

64 channel PWM fused LED driver card.

Project name

Commercial

STM32H7 SOM

System on module with Ethernet, HDMI, USB, SDcard

Let's work
together.

Available for freelance projects. Whether you need a board designed from scratch, a second opinion on your layout, or ongoing design support — get in touch and let's talk.