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Step 17Add the Battery Holder
Fit the battery holder under the circuit as shown; it should line up perfectly. Solder the positive and the negative as shown in the picture.
The positive goes to the far end of the button, giving power to the LEDs and, when pressed, the microcontroller.
The negative goes to the negative of the capacitor, grounding what needs to be grounded.
The positive goes to the far end of the button, giving power to the LEDs and, when pressed, the microcontroller.
The negative goes to the negative of the capacitor, grounding what needs to be grounded.
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