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[U] Readme adc protection diode

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Azalea
2023-04-21 00:49:07 -04:00
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TaikoStick/README.md
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@@ -23,6 +23,14 @@ A pair of drumsticks that can be used to play Taiko no Tatsujin on any surface.
### Connections / 连接 ### Connections / 连接
1. Glue piezo sensors to the drumstick
2. Connect the ground of each sensor to the ground
3. Connect the output of one sensor to A0 and another to A1.
4. Connect 1M resistors between ground and the sensor outputs, one for each sensor.
> If you want to protect the ADC from high voltages that the sensor might generate, you can connect an extra 5.1v zener diode in reverse bias from ground to each sensor
> so that voltages flowing to the ADC will be at most 5.1v.
![img.png](doc/img.png) ![img.png](doc/img.png)
## 2. Run / 运行 ## 2. Run / 运行