# \#pi-pico-2

**URL:** https://forum.ada-lang.io/tag/pi-pico-2/74.md

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## [PIO square-wave test on RP2040 / RP2350 always produces a static high level (Pico and Pico 2W)](https://forum.ada-lang.io/t/pio-square-wave-test-on-rp2040-rp2350-always-produces-a-static-high-level-pico-and-pico-2w/4372)

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**Author:** [@krischik](https://forum.ada-lang.io/u/krischik)\
**Replies:** 2\
**Last updated:** [April 27, 2026, 4:14pm UTC](https://forum.ada-lang.io/t/pio-square-wave-test-on-rp2040-rp2350-always-produces-a-static-high-level-pico-and-pico-2w/4372 "2026-04-27T16:14:41Z")

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Dear all, I am still struggling with PIO on both the Raspberry Pi Pico (RP2040) and Pico 2W (RP2350) while preparing Chapter 6 of my Ada on the Raspberry Pi Pico tutorial. I would be very grateful for any insight from t…

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## [Chapter 4 – Analog & PWM released (smooth breathing + flowing light bar)](https://forum.ada-lang.io/t/chapter-4-analog-pwm-released-smooth-breathing-flowing-light-bar/4334)

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**Author:** [@krischik](https://forum.ada-lang.io/u/krischik)\
**Replies:** 2\
**Last updated:** [April 10, 2026, 5:48pm UTC](https://forum.ada-lang.io/t/chapter-4-analog-pwm-released-smooth-breathing-flowing-light-bar/4334 "2026-04-10T17:48:30Z")

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Hello everyone, I have just published Chapter 4 of the Pi Ada Tutorial: Analog & PWM – Building smooth breathing LEDs and a flowing light bar In this chapter we create a reusable Pico.Analog package that provides clea…