Electronics & Computing Hardware

David Mellis

Original Arduino open-source microcontroller board

United StatesEvidence: editorial review advisedChecked July 2026

David Mellis co-designed the original Arduino board and the approachable interface that connected it to physical-computing projects. Its open, low-cost manufactured hardware let a broad community build working devices with sensors, switches and motors, changing how students and designers prototype electronics.

01

What David did

Co-designed the original Arduino board and its hardware-software interface with the Ivrea founding team.

02

Why it matters

Arduino became a foundational maker platform, and its official history credits Mellis among the technical founders who brought their combined experience into the original board.

03

Living-status check

Arduino's current September 2025 founder page identifies Mellis as a co-founder, positive evidence he was alive in 2025.