Reliable Microchips & Custom Electronics

Designed and crafted by an experienced engineer with 30+ years in design of electronics. Tailored solutions and ready-made components for your projects.

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Who’s Behind the Circuits?

I’m an engineer based in South Korea, passionate about creating reliable electronics from scratch. No shortcuts — just solid engineering, tested solutions, and real-world results.

  • Built by an engineer, not a factory
  • Customization available
  • Assembled & tested by hand
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From concept to functional prototype – I offer full-cycle custom development.

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Engineered for Reliability, Not for the Masses

Unlike typical low-cost marketplace options, my components are built with care, precision, and high-grade materials. If you need something that works, and keeps working — you’re in the right place.

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Quality control Low High (manual test)
Materials Unknown Grade A, certified
Customization

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USB Cable Tester Board

Introduction The USB Cable Tester is a diagnostic tool designed to verify internal wiring of...

1CH 5kV Analog Isolator Board

Specification & User Manual Product Name: 1CH 5kV Analog Isolator Board Model: 1CH-A-ISO 1. General...

STM32G03x — First Debug Session With ST-Link V2 in STM32CubeIDE Hangs After First Interrupt

When you create a new STM32G0 project in STM32CubeIDE, the debugger initially seems to work correctly. Code...

KT142C UART Control GUI (v9)

Introduction The KT142C UART Control GUI (v9) is a comprehensive Python-based interface designed to control...

High-Side Current Sensing Using Dual Current Mirrors — ZDS1009 Example

High-Side Current Sensing Using Dual Current Mirrors — ZDS1009 Example The ZDS1009 datasheet includes an...

Electromagnetic Compatibility (EMC)

Conducted and Radiated EMI – Practical Troubleshooting Guide Understanding EMC, EMI, and EMS EMC (Electromagnetic...