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Step 4Wire it up
To make the circuit, you will have to cut in half the wire that is connected to the + terminal on the speaker. The half connected to the circuit board will be extended and connect to the center terminal on the switch. The half connected to the speaker will be connected to one of the outer terminals.
The 100K resistor will bridge the outer terminal of the switch to one of the outer terminals of the potentiometer. The other outer terminal of the potentiometer will be connected to ground from the keyboard's power supply.
The positive side of the 10 uF capacitor connects to the center terminal of the potentiometer and bridges to the signal tab on the audio jack (where the negative terminal connects).
The barrel of the jack also connects to ground.
For more info, check out the schematic in the final picture of the series. To learn how to read schematics, check out the Basic Electronics instructable.
The 100K resistor will bridge the outer terminal of the switch to one of the outer terminals of the potentiometer. The other outer terminal of the potentiometer will be connected to ground from the keyboard's power supply.
The positive side of the 10 uF capacitor connects to the center terminal of the potentiometer and bridges to the signal tab on the audio jack (where the negative terminal connects).
The barrel of the jack also connects to ground.
For more info, check out the schematic in the final picture of the series. To learn how to read schematics, check out the Basic Electronics instructable.
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