Add hint for sensitivity tuning in DonConIO README

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Frederik Walk 2024-11-24 16:49:13 +01:00
parent 3d556edb97
commit f5e1d84981

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@ -10,9 +10,10 @@ The arcade drum uses *Sensatec GSS-4SD* piezo impact sensors. While those are on
You can also try your luck with any generic piezo, in this case you might have to tune the filters and amplification factor.
## Note
## Notes
This board does not use the internal ADCs of the RP2040 since those are pretty noisy and have a static offset of around +25mV. You can however still skip the external ADC and level-shifter and connect the signals directly to ADC pins of the XIAO RP2040 if you want to save some cost.
- If the sensitivity for a pad feels to low you can try to increase the feedback resistor (R3,R13,R21,R30) of the affected pad for more amplification.
- This board does not use the internal ADCs of the RP2040 since those are pretty noisy and have a static offset of around +25mV. You can however still skip the external ADC and level-shifter and connect the signals directly to ADC pins of the XIAO RP2040 if you want to save some cost.
## Bill of Materials