ELECTRONICS DESIGN

From custom PCBs, RF signal conditioning, and enclosures to retrofitted lab tools, this section showcases electronics projects and products evolving from raw prototypes into robust, practical engineering solutions.

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FCC Compliance on a Shoestring: A Foray into PCB Design

Designing a custom, budget-friendly PCB relay system to keep a local LPFM station compliant during an analog-to-digital transition.

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Taming the Noise: An Adventure in Active Analog Design (V2)

Upgrading the multi-channel relay to an active analog system featuring dual input channels, transformer isolation, linear power regulation, active op-amp audio mixing and balanced audio outputs.

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Hardening the System: A Study in Silicon & RF Mitigation

​Modernizing the design with SMD components, balanced audio receiver and driver ICs and RF filtering to protect signal integrity in high-EMI transmitter environments.

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The Hardware & Commercial Release

Engineering and marketing a standardized 19-inch rack-mount chassis to transition the EAS multi-channel relay from a custom prototype into a commercially viable, rack-ready product.

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Turning a Standard Toaster Oven into a Precision SMD Reflow System

Tired of hand-soldering tiny surface-mount components, I used an Arduino Zero-based Controleo3 controller, solid-state relays, and custom insulation to hack a consumer appliance into a closed-loop thermal reflow oven.

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