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| + | Test Points | ||
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| + | Taking a look at the underside of the Pico board there a six test points. These may be useful for advanced projects. | ||
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| + | TP1 – Ground (close coupled ground for differential USB signals) | ||
| + | TP2 – USB DM | ||
| + | TP3 – USB DP | ||
| + | TP4 – GPIO23/SMPS PS pin (do not use) | ||
| + | TP5 – GPIO25/LED (not recommended to be used) | ||
| + | TP6 – BOOTSEL | ||