Empowering electronic design engineers worldwide with innovative development tools and expert technical guidance.

The Debug Store, operating as Great Western Microsystems Limited, has served the embedded electronics market for over 35 years. Founded by Chartered Electrical Engineer John Legg, we've built our reputation as a trusted partner for professional development tools and electronic test equipment.

What sets us apart:
🔧 Expert Technical Selection - Professional engineering expertise, not just catalogue sales
🌍 Global Reach, Personal Service - UK/Europe/USA coverage with family-run business attention
⚡ Rapid Product Availability - New products listed within hours of supplier releases
🎯 Customer-First Philosophy - We recommend the best solution, even competitors' products

Our specialties:

Embedded Systems Development Tools

Logic Analyzers & Protocol Analysis (CAN, LIN, I2C, SPI, UART)

Oscilloscopes & Test Equipment

Flash Programming & JTAG Debugging Solutions

Custom-Configured Development Solutions

JOSCAR Registered for defense, aerospace, and security sectors.

Located in Carrog, Wales - combining 35 years of engineering expertise with modern eCommerce efficiency.

Debug Store

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