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Add seeed studio xiao RP2040 support#238

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skovati wants to merge 2 commits intowiredopposite:masterfrom
skovati:add_xiao_rp2040_support
Open

Add seeed studio xiao RP2040 support#238
skovati wants to merge 2 commits intowiredopposite:masterfrom
skovati:add_xiao_rp2040_support

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@skovati skovati commented Feb 15, 2026

Adds initial support for the xiao rp2040 boards, which are a popular repackaging of the RP2040, similar to the RP2040-Zero. Because of this, I followed the pattern of the RP2040-Zero support to a tee, just changing a few pin constants essentially in the board config.

There is a wiring diagram for this board added to the ./hardware/README.md

There are some build artifacts on my fork under RP2040-XIAO if you want to try testing on hardware.

The main downside I see right now is the RGB led is REALLY bright, which I've configured on my fork to be 0x11 instead of 0xff, but I don't know how that will affect other boards' RGB leds, so I've left it out of this PR.

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