Tag: loopback

All articles with the tag "loopback".

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  Pico SPI Loopback: Test Your RP2040's Serial Communication

  Jun 13, 2026

  A step-by-step guide to building and testing an SPI loopback on the Raspberry Pi Pico using Velxio's in-browser simulator. Includes circuit wiring, code walkthrough, and debugging tips.

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  SPI Loopback Test: Master the Protocol with Velxio

  May 17, 2026

  A hands-on tutorial for the SPI loopback example in Velxio. Learn SPI protocol, wiring, and code with no external libraries.